Page 1
www.inter-m.uk.com
Mixer Amplifiers Power Amplifiers
Signal Processing
Rack Builds Low Z Amplifiers Loudspeakers
Signal Generation
Page 2
Introduction
CIE-Group – one of the UK’s longest
established and most experienced
suppliers of high quality Commercial
Sound and AV products – is the
exclusive UK supply partner for
Inter-M, having worked together
for over 25 years and is recognised
as one of the most successful Inter-M
partners in the world.
Over this period, Inter-M’s Commercial
Sound product range has been
specified into many of the UK’s
leading system installations across
the full spectrum of commercial
and private sectors; resulting in its
enviable reputation as ‘The Industry
Standard’ for Commercial Sound.
T: 0115 9770075 E: interm@cie-group.com
F: 0115 9770081 W: www.inter-m.uk.com
Within many of the retail sector’s
largest high street and supermarket
chains, banks & building societies,
airports, places of worship, hospitals
and education, you’ll find high quality,
trusted PA and AV systems powered
by Inter-M.
The Industry Standard.
‘Inter-M - The Industry Standard
for Commercial Sound’.
Page 3
Contents
06~07 Network-distributed PA
08~16 Desktop Mixer Amplifiers
17 Combination Amplifiers
18~20 19” Rack Power Amplifiers
21~24 Signal Processing
25~26 Music/Signal Generation
27~32 General 19” Rack Equipment
33~34 Wall/Ceiling Speakers
35~37 Column Speakers
38 Horn Speakers
39 Music Cabinet Speakers
40~43 Low Impedance Amplifiers
44~46 Installation Advice & Information
47 Rack Design & Build Facility
• Inter-M’s QD Series 4 channel amplifiers provide ultimate flexibility in multi-zone installations.
Page 4
Exclusive UK Supply Partners
Technical Services
CIE-Group’s technical and aftersales service department provides
system advice, service, repair and
remanufacture facilities to ensure
a unique UK-based, fast and
efficient resource.
Demonstrations
Our dedicated team of sales and
technical support staff are also on
hand to provide full p roduct and
user training either at our own
facilities or on-site.
Showroom
Our showroom, centrally located
in Nottingham, gives customers
and clients immediate access to
hundreds of our key products.
04
CIE-Group is the exclusive UK supply partner for the
complete Inter-M audio visual product range.
Key to CIE-Group’s success is our absolute
commitment to both the quality of product and
service to our customers; reflected by our team of
pre- and post-sales technical advisors, UK-based
stockholding, service & repair and our Rack Design
& Build Service – consistently producing some of the
UK’s highest quality, ready-to-install PA racks to your
customers’ specifications (see page 47 for further
information).
The close relationship between Inter-M, our customers and
CIE-Group also ensures direct access to an expert team of
sales, training and technical advisers, as well as showroom and
demonstration facilities…
Page 5
Powered by Inter-M
Barclaycard Headquarters
The massive Ba rclaycard Headquarters complex features a highly
complex PA and messaging system using Inter-M powered rack systems
designed and built for the installer by CIE-Group’s in-house technical
services departmen t.
Comprising a total of 11 PA9336 Power Amplifiers and 9 EQ9152 Graphic
Equalisers, the two 39U r acks provide a total of almost 4000W over 6
zoned areas.
Nottingham Magistrates Court
The PA and evacuation system at the impressive Nottingham Magistrates
Court has been desig ned around a complex Inter-M audio rack system,
built and delivered directly to site by CIE-Group.
Consisting of Inter-M power amplifiers, mixers a nd battery back-up
products, the system provides a flexible paging and voice evacuation
solution.
Southampton Cardiothoracic Centre
Southampton University Hospital’s Cardio thoracic Centre features a
fully-integrated AV system to provi de live TV broadcast of cardiological
procedures for training purposes, both from room-to-room and also
worldwide via vide oconferencing.
Together with high resolution, AMX-controlled multiple screens in the
main lecture theatre, the system also features two-way audio broadcast,
powered by the Inter-M R300+ stereo amplifier, for communication
between operating and lecture theat res.
05
www.inter-m.uk.com
Page 6
Commercial Audio - Network-distributed PA
06
Inter-M IPC System
‘One of the most advanced, user-friendly paging and BGM systems that has ever been made
to a realistic budget...’
Ideal for campus environments, the digital IPC System from Inter-M provides a highly functional,
fully flexible, programmable means of broadcasting paging announcements, messages, class
change and media files over a multi-zone site.
The IPC can be configured to operate as a standard centralised system, with all areas/zones wired
back to a single point/location. However, the IPC comes into its own when installed as a distributed
or de-centralised system, improving flexibility and reducing expensive wiring costs.
Features:
• CAT5 wiring structure
• 8 channel Matrix
• Easy to use Touch Screen Interface
• Up to 128 independent zone capability
• Fully programmable
• In-built Digital File Player and Scheduler
• Compact Multi-channel Digital Amplifiers
• Optional Remote Console options
• Stable, embedded Windows-XP platform
• Remote control, broadcasting & monitoring via standard Ethernet network
Specifications:
Model: SI-100:
Input Sensitivity (±3dB) BGM XLR MIC: -50dB/600kW
BGM Phone MIC: -20dB/20k
W
Frequency Response 100Hz~15kHz
T.H.D 1.0%
S/N (20kHz LPF, BGM XLR MIC AUX, CD/MP3/AC97) 65dB
BGM AUX -10dB/20k
W
CDP/MP3/AC97 0dB/10k
W
Model: SP-100:
Link Input (@1kHz, 166.7Ω Load Output)
Rated Power (THD ≤ 1%, 20kHz LPF) 60W
Input Level 0dBV
S/N (20kHz LPF, A-WTD) More than 80dB
Frequency Response (±3dB) 100Hz ~ 15kHz
Model: SR-100:
Input sensitivity/impedance (MIC) -60dB, Balanced Input
T.H.D(20kHz LPF, MIC) 0.5%
S/N(20kHz LPF, MIC) 50dB
Frequency Response (MIC) 300Hz~10kHz
SM-100: System Monitor
• 15” LCD and Touch Screen Monitor Panel
• Emergency MIC on front panel with cover
• Built-in Loudspeaker for monitoring input source and output signals to zones
SI-100: System Integration Main Controller
• 8 x MIC/Line Inputs
• Linkable with SR -100 Remote MIC Station (up to 8 x SR-100 Connectio ns)
• USB Port built-in for external memory i nterface
• 16 x Contact input circuits for emergency broadcasting
• Audio matrix function
• AMX/Creston port for external source equipment (CD /Tuner, etc) control
• Weekly program timer/scheduler function
Optional: System can also use FREE PC
software control package
www.inter-m.uk.com
Page 7
07
Commercial Audio - Network-distributed PA
SR-100: System Remote Mic Station
SR-100KP: 12 Key Mic Station Keypad
• MIC/AUX/Speaker vol ume adjustable
• Simple interface via CAT5e connection
• One-touch broadcasting function using the [TALK] butto n
• Internal loudspeaker for BGM/Zone monitoring
• Expansion of zones using SR-100KP Expansion Keypad
SP-100: System Digital Amplifier
• 6 channel digital amplifier
• 6-bus broadcasting available via Cat5e connection
• Volume Control per ch annel and 5 band EQ
• Facility local input (Mic in or Aux in)
• AUTO/Manual I.D. allocation
• Interface with o ther units using control input an d
control output contacts
MAIN BUILDING
SI-100 (System
Integration Controller)
SP-100 (Power Digital
Amplifiers)
SR-100
(Remote Mic Station)
Centralised System
De-Centralised/Distributed System
MAIN BUILDING
SP-100 (Power Digital
Amplifiers)
SI-100 (System
Integration Controller)
SR-100
(Remote Mic Station)
SP-100 (Power Digital
Amplifiers)
SR-100
(Remote Mic Station)
SP-100 (Power Digital
Amplifiers)
SR-100
(Remote Mic Station)
4F
3F
2F
1F
4F
3F
2F
1F
4F
3F
2F
1F
A-BUILDING B-BUILDING
Below Below Below
SR-100
#1 #2 #3 #4
SM-100
8
CAT5
8
ETHERNET
SI-100
CAT5
CAT5
CAT5
CAT5
CAT5
Remote Control PC
CD/DECK/
TUNER
DIGI-LINK
SERIAL CONTROL
SP-100 #1
SP-100 #2
SP-100 #3
SP-100 #4
SP-100 #128
EMERGENCY
(64CH INPUT)
6CH
60W
AUX1
AUX1
AUX1
AUX1
AUX1
6CH
60W
6CH
60W
6CH
60W
6CH
60W
www.inter-m.uk.com
Page 8
Commercial Audio - Mixer Amplifiers
08
PA-935A: 35W Mixer Amplifier
Simple, compact mixer amplifier ideal for use in smaller installations such as waiting rooms, offices,
factories, educational and retail applications.
Provides clear voice and full range BGM reproduction.
Features:
• Compact design
• 1 Mic input (¼” jack)
• 2 Mic/AUX switchable (¼” jack/stereo phono)
• Priority inputs, telephone, mic 1
• Bass/treble control
• 100v/8W/4W Low Z output option
• Optional 19” rack kit (BKT-PA935A)
Specifications:
Model: PA-935A:
Output Power 35W RMS @ 100v/70v
35W RMS 8
W/4W
Inputs 1 x Mic (¼” jack)
1 x Mic/Aux (¼” jack)
1 x Mic/Aux~Sat (¼” jack and stereo phono)
1 x Screw terminal (Tel)
Priority Telephone, Mic 1
Input Sensitivity/Impedance Mic 1,2,3 ~ -50dB/600
W
Aux ~ -15dB/10k
W
Sat ~ 0dB/10k
W
Telephone ~ 0.775v/600
W
Frequency Response 80Hz~15KHz
Power Requirement 230v AC 50Hz
Dimensions 290(W) x 76(H) x 185(D)mm
Weight 4.4kg
MIC 1
1
2
3
4
5
6
7
8
9
100
1010
0
1010
0
TREBLEBASS
1
2
3
4
5
6
7
8
9
100
1
2
3
4
5
6
7
8
9
100
MIC 3 / CD / SATELITE
PA-935A
MIC 2 / AUX
MAX
MIN
ON
OFF
AMPLIFIER
POWER
MASTER VOLUME
SPEAKER OUTPUT
TERMINAL
CD/SATELITE AUX
MIC/AUX
SELECT
SWITCH
TELEPHONE
INPUT TERMINAL
AC CORD
TELEPHONE
PRIORITY MUTE
VOLUME
MIC 3,
CD/SATELITE
SELECT SWITCH
MIC 1/MUTEMIC 3, 2 & 1
AC FUSE
19” Rack Mount Bracket Option: BKT-PA935A Bracket
www.inter-m.uk.com
Page 9
09
Commercial Audio - Mixer Amplifiers
PA-1000B: 30W Mixer Amplifier
Simple mixer amplifier ideal for use in reception areas, waiting rooms, factories, education, AV and
retail applications.
Full range frequency response makes the unit ideal for any voice or background music system.
Features:
• 2 Mic inputs (¼” jack~3 pin XLR)
• 1 AUX input (¼” jack)
• Line in ~ line out
• Priority inputs, telephone, mic 1
• Bass and treble control
• 100v/70v Loudspeaker output
• 8W/4W Low Z output option
• Remote chime option
• Optional 19” rack kit (BKT-PA1000B)
• 2U high
Specifications:
Model: PA-1000B:
Output Power 30W RMS @ 100v/70v
30W RMS 8
W/4W
Inputs 1 x Mic (¼” jack and 3 pin XLR)
1 x Aux (¼” jack)
1 x Telephone (screw terminal)
Priority Telephone, Mic 1
Input Sensitivity/Impedance Mic 1, 2 = ¼” jack~ 1m v / 10k
W
Mic 1, 2 = 3 pin XLR~F
Aux ~ 100m v/10k
W
Telephone ~ 0.775v / 600
W
Frequency Response 60Hz~20KHz
Line In 1v / 10k
W
Line Out 1v / 600
W
Power Requirement 230v AC 50Hz
Dimensions 300(W) x 88(H) x 268(D)mm
Weight 4.6kg
LINE IN
FUSE
HOLDER
GND
TERMINAL
EXT
CHIME
AC CORD
LINE OUT
AUX INPUT
MIC 1, 2 INPUT
MUTE
SPEAKER
OUTPUT
MIC 1MUTEMIC 2AUX
IN
OUT
~AC INPUT
120V 60Hz
31W
AC FUSE
1A / 250V
GND
COM
4Ω
11V8Ω15V
21Ω
25V
163Ω
70V
( )
SPEAKER
OUTPUT
S
N
COM CHIME TEL IN
LISTED
4K92
E137273
COMMERCIAL AUDIO
AND RADIO EQUIPMENT
SYSTEMS AND ACCESSORIES
R
MODEL NO. PA-1000B
PUBLIC ADDRESS AMPLIFIER
OUTPUT POWER: 30W
MADE IN KOREA
LINE
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
NO USER SERVICEABLE PARTS INSI DE.
SHOCK, DO NOT RE MOVE CO VER.
REFER SERVICING TO QUALIFIED SERVICE
CAUTION; TO REDUCE T HE RISK OF FIRE
REPLAC E O NLY WIT H S AME TY PE FU SE.
CAUTION; TO REDUCE THE RISK OF ELECTRIC
PERSONNEL.
W
G
19” Rack Mount Bracket Option: BKT-PA1000B Bracket
www.inter-m.uk.com
Page 10
A-60 / A-120: 60W, 120W Mixer Amplifiers
This simple, economical desktop amplifier series provides a cost effective solution to basic PA and
background music applications.
A-60/A-120 Amplifiers are extensively used throughout the UK’s leading high street and supermarket
retail outlets.
Features:
• Clean, functional design
• 3 Mic inputs (combi XLR / ¼” jack)
• 2 AUX inputs (stereo phono)
• Bass and treble control
• Priority input - Mic 1
• Pheonix screw te rminals for loudspeaker connection
• 2U high
• Optional 19” rack (BKT-A120)
( Also fits A-60 Ampl ifier)
AUX 1,2, INPUT
PROT
14
10
7
3
0
3
MIN
MAX
MASTER
MIN
MAX
MIC 2
MIN
MAX
MIC 1
MIN
MAX
MIC 3
-12dB +12dB
TREBLE
MIN
MAX
AUX 1
MIN
MAX
AUX 2
-12dB +12dB
BASS
POWER
ON
OFF
A-120 PUBLIC ADDRESS SYSTEM
MUTE CONTROL
AC CORD
MIC 1,2, 3 INPUT JACK
Specifications:
Model: A-60: A-120:
Output Power 60W RMS @ 100v/70v 60W RMS @ 4W 120W RMS @ 100v/70v 120W RMS @ 4W
Inputs 3 x Mic (combi ¼” XLR) 3 x Mic (combi ¼” XLR)
2 x Aux (stereo phono) 2 x Aux (stereo phono)
Priority Mic 1 Mic 1
Input Sensitivity/Impedance Mic 1,2,3 ~ -60dB/600
W Mic 1,2,3 ~ -60dB/600W
Aux ~ -10dB/10k
W unbalanced Aux ~ -10dB/10kW unbalanced
Frequency Response 80Hz~16KHz 80Hz~16KHz
Power Requirement 230v AC 50Hz 230v AC 50Hz
Dimensions 420(W) x 88(H) x 320(D)mm 420(W) x 88(H) x 320(D)mm
Weight 8.9kg 10.3kg
19” Rack Mount Bracket Option: BKT-A120 Bracket
SPEAKER
OUTPUT
TERMINALS
Commercial Audio - Mixer Amplifiers
10
www.inter-m.uk.com
Page 11
11
Commercial Audio - Mixer Amplifiers
MA-106: 60W Mixer Amplifier
Inter-M’s new MA-106 is a highly compact 100v line/Low Z switchable desktop
amplifier for standard PA and background music applications and is ideally suited
to retail installations or where space is at a premium.
Only 1U in height and just 30cm wide, this newly-styled 60W D-class amplifier
provides both power output and features beyond the expectations of a unit
so small.
Features:
• Highly compact, desktop unit
• Stylish new design
• Phantom Power to Mic Input 1
• Separate Bass and Treble tone controls
• 4W/100v line switchable
• External mute and Telephone In
• Optional 19” Rackmount Kit
Specifications:
Model: MA-106:
Output Power 60W RMS @ 100v / 4W
Inputs 1 x balanced Mic (phono/XLR) complete with optional power
1 x balanced Mic/Aux (¼” jack)
1 x Unbalanced Aux (¼” jack/dual phono)
Priority 1 = Tel Input, 2 = Mic 1
Frequency Response (±3dB) 80Hz~15KHz
Operating Temperature -10°C ~ +40°C
Power Requirement 230v AC, 50~60Hz
Dimensions 300(W) x 44(H) x 230(D)mm
Weight 2.35kg
EXT MUTE
TEL IN
TEL
MUTE
LEVEL
MIC MUTE LEVEL
MIC/LINE INPUTSSPEAKER TERMINALSAC CORD
www.inter-m.uk.com
Page 12
19” Rack Mount Bracket Option: BKT-A120 Bracket
MA-206 / MA-212 / MA-224:
60W, 120W, 240W Mixer Amplifiers
Commercial Audio - Mixer Amplifiers
Specifications:
Model: MA-206: MA-212: MA-224:
Output Power 60W RMS @ 100v / 4W 120W RMS @ 100v / 4W 240W RMS @ 100v / 4W
Inputs 3 x Mic/Line (3 pin XLR-F)
2 x Mic/Line (¼” jack)
1 x Line (dual phono)
1 x Telephone (screw terminal)
Priority 1 = Tel Input, 2 = Mic 1
Input Sensitivity/Impedance Inputs: 1~5: Mic -50dBv/2K
W, Line -10dBv/2KW
Input 6: -10dBv/20KW
Telephone: 0.775dBv/10K
W
Frequency Response (±3dB) 80Hz~15KHz
Operating Temperature -10°C ~ +40°C
Power Requirement 230v AC, 50Hz
Dimensions 420(W) x 88(H) x 328(D)mm
Weight 5.4kg 6.7kg 8.0kg
SPEAKER TERMINALS AMP IN
LINE IN
LINE OUT
MIC/LINE INPUTSFUNCTION TERMINALSAC INLET
12
Utilising efficient D-class amplifier technology, the latest generation of Inter-M’s market-leading range of professional
installation mixer amplifiers are smaller, lighter, more feature-full and have been stylishly remodelled for today’s more
demanding professional audio installation market.
With 5 selectable speaker outputs, 6 individually-controlled mic/line inputs, 5-band equaliser and numerous other
features all as standard, the new MA-200 Series is ideal for user-manageable, zoned PA and background music in
applications such as retail, education, corporate and church installations.
Features:
• 6 Mic/Line Inputs (3pin XLR / ¼” jack / dual phono)
• Priority Mute (Tel Input & Input 1)
• Link input (¼” jack)
• Amp In (¼” jack)
• Pre Amp Out (¼” jack)
• Chime/Siren
• External Mute (screw terminal)
• Remote Volume Control (screw terminal)
• Telephone In (screw terminal)
• Phantom Power (Inputs 1, 2 & 3)
• ‘Active’ LED display per input channel
• 5 Zone + All Loudspeaker Selector
• Optional 19” Rackmount Kit
www.inter-m.uk.com
Page 13
13
Commercial Audio - Mixer Amplifiers
PA-2000A / PA-4000A / PA-6000A:
60W, 120W, 240W Mixer Amplifiers
Ground-breaking amplifier series which, when released, set new standards in the industry; its
modern outlook and host of features pushed it to the forefront of the PA, education, AV and church
markets, where it remains today!
Features:
• 6 Inputs (5 x 3 pin XLR, 1 x stereo phono)
• Telephone input (screw terminals)
• Priority-telephone, mic 1, mic 2
• 5 Band graphic equaliser
• Line in
• Line out
• 5 Zone speaker s election
Specifications:
Model: PA-2000A: PA-4000A: PA-6000A:
Output Power 60W RMS @ 100v/70v 120W RMS @ 100v/70v 240W RMS @ 100v/70v
60W RMS @ 8
W/4W 120W RMS @ 8W/4W 240W RMS @ 8W/4W
Inputs 5 x Mic/line (3 pin XLR~F) 5 x Mic/line (3 pin XLR~F) 5 x Mic/line (3 pin XLR~F)
1 x Mix/Aux (stereo phono) 1 x Mix/Aux (stereo phono) 1 x Mix/Aux (stereo phono)
1 x Telephone (screw terminal) 1 x Telephone (screw terminal) 1 x Telephone (screw terminal)
Priority Telephone, Mic 1, Mic 2 Telephone, Mic 1, Mic 2 Telephone, Mic 1, Mic 2
Input Sensitivity/Impedance Inputs 1~6~1mV / 10kW Inputs 1~6~1mV / 10kW Inputs 1~6~1mV / 10kW
Telephone -2dB/600W Telephone -2dB/600W Telephone -2dB/600W
Frequency Response 60Hz~20KHz 60Hz~20KHz 60Hz~20KHz
Link in/out In:
0dB/47kW Out: -6dB/600W In: 0dB/47kW Out: -6dB/600W In: 0dB/47kW Out: -6dB/600W
Power Requirement 230v AC 50Hz 230v AC 50Hz 230v AC 50Hz
Dimensions 420(W) x 100(H) x 320(D)mm 420(W) x 133(H) x 320(D)mm 420(W) x 133(H) x 320(D)mm
Weight 10kg 12kg 13.5kg
MIN MAXMIN MAXMIN MAX MIN MAXMIN MAX MIN MAX MIN MAX
10
13
16
21
26
ON
2
0
2
5
7
12dB
12dB
0dB
OFF
12dB
12dB
1KHz 3.3KHz 10KHz
330
Hz100Hz
5 BAND EQ
0dB
SP 1 SP 2 SP 3 SP 4 ALLSP 5
SPEAKER SELECTOR
SIRENCHIME
PUBLIC ADDRESS AMPLIFIER
PA
2000A
MASTERCHANNEL 1 CHANNEL 2 CHANNEL 3 CHANNEL 4 CHANNEL 5 CHANNEL 6
AC INLET
VOLTAGE
SELECTOR
IMPEDANCE
SELECTOR
EXT CHIME
TERMINAL
EXT MUTE
TERMINAL
TELEPHONE IN
TERMINAL
CH6 PHONO
INPUT
CH1~5 INPUT
CONNECTORS
CH1~5 INPUT
CONNECTORS
GND
SPEAKER OUTPUT
TERMINAL
19” Rack Mount Bracket Options:
BKT-PA4000A/PA6000ABKT-PA2000A
• Chime & Siren
• External mute terminal
• Bar graph LED output VU meter
• Optional 19” rack kits
(BKT-PA2000A, BKT-PA4000A*)
* Bracket also fits PA6000A
www.inter-m.uk.com
Page 14
Commercial Audio - Mixer Amplifiers
14
PAM-120A: 120W Modular Mixer Amplifier
Best selling mixer amplifier providing a versatile and flexible solution for many applications including AV,
church and high end retail installations.
Optional music modules add to the outstanding features of this market-leading product (see page 16
for details).
Features:
• 6 Mic/line inputs (3 Pin XLR)
• 2 Module option slots
(see page 16 for tuner & CD modules)
• Link input (¼” j ack)
• Amp in (¼” jack)
• Pre amp out (¼” jack)
• External chime (screw terminal)
• External mute (s crew terminal)
• Individual EQ per input channel
• Individual phantom power (per mic input)
• Priority mic 1, mic 2 (switchable)
• 5 Zone loudspeaker selector
• Bar graph VU metre
• 230v AC/24v DC p owered
• Optional 19” rack kit (BKT-PAM)
• 3U high
• Emergency messag e facility
( Only available as c ustom factory instal l - contact the
sales office on 0115 977007 5 for details and prices.)
Specifications:
Model: PAM-120A:
Output Power 120W RMS @ 100v/70v
120W RMS @ 4
W
Inputs 6 x Mic/line (3 pin XLR)
Priority Mic 1, Mic 2
Phantom Power 22v DC individually switched per input
Input Sensitivity/Impedance Inputs 1~6 -60dB~16dB 1mv/10k
W
Frequency Response 80Hz~20KHz
Link In 100mv/10k
W
Amp In 1v/600W
Power Requirement 230v AC 50Hz 24vDC
Dimensions 420(W) x 132(H) x 360(D)mm
Weight 13kg
19” Rack Mount Bracket Option: BKT-PAM Bracket
SPEAKER
OUTPUT
TERMINALS
EX MUTE
TERMINAL
ANTENNA
TERMINAL
LINK
INPUT
PHANTOM
POWER
SWITCH
PRIORITY
SWITCH
AC CORD
EM EX
CHIME
TERMINAL
DC INPUT
TERMINAL
PRE AMP
OUTPUT
AMP
INPUT
CHANNEL
INPUT GAIN
VOLUME
CH1~CH6
INPUTS
2 BAND EQ
www.inter-m.uk.com
Page 15
15
Commercial Audio - Mixer Amplifiers
PAM-340A / PAM-480A:
340W, 480W Modular Mixer Amplifiers
Larger power/output versions of the PAM-120A, however with a number of subtle differences;
No 24v DC power option, no low impedance 4W loudspeaker option, but with the addition
of a multi-zone paging mic interface allowing simple 5 zone paging using optional RM-05A
(see page 16 for details).
Features:
• 6 Mic/line inputs (3 pin XLR)
• 2 Module option slots
(see page 16 for tuner and CD modules)
• Link input (¼” j ack)
• Amp input (¼” jack)
• Pre amp out (¼” jack)
• External chime (screw terminal)
• Zone mic interface (15 pin D-t ype)
• External mute (s crew terminal)
• Individual EQ per input channel
• Individual phantom power (per mic input)
• Priority mic 1, mic 2 (switchable)
• 5 Zone loudspeaker selector
• Bar graph VU metre
• Optional 19” rack kit (BKT-PAM)
• 3U high
• Emergency messag e facility
( Only available as c ustom factory instal l - contact the
sales office on 0115 977007 5 for details and prices.)
Specifications:
Model: PAM-340A: PAM-480A:
Output Power 340W RMS @ 100v 480W RMS @ 100v
Inputs 6 x Mic/Line (3 pin XLR) 6 x Mic/Line (3 pin XLR)
Priority Mic 1, Mic 2 Mic 1, Mic 2
Phantom Power 22v DC individually switched per input channel 22v DC individually switched per input channel
Input Sensitivity/Impedance Inputs 1~6 -60dB~ -16dB 1mv/10k
W Inputs 1~6 -60dB~ -16dB 1mv/10kW
Frequency Response 80Hz~20KHz 80Hz~20KHz
Power Requirement 230v AC 50Hz 230v AC 50Hz
Dimensions 420(W) x 132(H) x 360(D)mm 420(W) x 132(H) x 360(D)mm
Weight 13.5kg 15.5kg
AC CORD EM
EXT
CHIME TERMINAL
REMOTE
CONTROL
PRE AMP
OUT
AMP
INPUT
SPEAKER OUTPUT
TERMINALS
EX
MUTE
ANTENNA
TERMINAL
LINK
INPUT
PHANTOM POWER
SWITCH
PRIORITY
SWITCH
CHANNEL
INPUT GAIN
VOLUME
CH1~CH6
INPUTS
3 BAND EQ
19” Rack Mount Bracket Option: BKT-PAM Bracket
www.inter-m.uk.com
Page 16
Commercial Audio - Mixer Amplifiers
16
PAM-CDA / PAM-T: PAM Series Music Modules
Easy to install and use modules for the PAM Series Amplifiers, comprising CD player with random play,
scan, timer/counter, track skip facilities and an AM/FM Tuner with 30 pre-set station storage. Both use an
internal input bus and will not take up any of the amplifier’s mic/line inputs.
PAM-CDA: CD Player
PAM-T: Tuner
RM-05A: Remote 5 Zone Microphone
The RM-05A operates exclusively with the PAM-340A/480A and PCT-610/620 amplifiers and provides
the facility of a simple ‘one cable’ multi-zone solution. The paging unit also includes output level LED VU
metre, gain/level control and chime facility. Power is provided by the host amplifier.
Features:
• Single Compact Disc Player
• Random play funtion, music scan, time counter,
repeat, forward tr ack, reverse track, music search,
play and pause
Features:
• AM/FM Digital Tuner with 30 station memory
• It is recommended that an external antenna is
fitted for optimum performance
Features:
• Individual channel selection or all-call
• Flexible condens er-type gooseneck microphone
• Pre-announcement chime
• LED output level indicator
www.inter-m.uk.com
Page 17
17
Commercial Audio - Combination Amplifiers
PCT-610 / PCT-620: Integrated Mixer Amplifiers
Fully integrated mixer amplifiers incorporating mic/line inputs with in-built Tuner and CD music
sources. With a whole host of functions, the PCT Series is ideal for high specification PA systems,
church and AV applications using the RS232 control option for remote access and control.
Features:
• 120W/240W Output
• 6 Inputs (Mic/Line XLR)
• Individual phantom power per input
• Priority mic 1, mic 2
• Telephone input (screw terminals)
• External mute (s crew terminals)
• External chime (screw terminals)
• RM-05A Mic input (D-type) (see page 16 for deta ils)
• RS232 Control (D-type)
• 230v AC/24v DC p owered
• Aux in/out (¼” jack)
• In-built CD and tuner music sources
• IR Remote control (optional)
• 3U high, 19” rack mounting
Specifications:
Model: PCT-610: PCT-620:
Output Power 120W RMS @ 100v 240W RMS @ 100v
Inputs 6 x Mic/Line Selectable (3 pin XLR) 6 x Mic/Line Selectable (3 pin XLR)
Priority Mic 1, Mic 2, Chime, EM, Telephone Input Mic 1, Mic 2, Chime, EM, Telephone Input
Phantom Power Individually switched per input Individually switched per input
Input Sensitivity/Impedance Inputs 1~6 -60dB~-16dB 1mv / 10k W
Inputs 1~6 -60dB~-16dB 1mv / 10k W
Frequency Response 80Hz ~ 20KHz 80Hz ~ 20KHz
Link In 100mv / 10k
W 100mv / 10kW
Amp In 1v / 47k
W 1v / 47kW
Pre Amp Out 1v / 600
W 1v / 600W
Power Requirement 230v AC 50Hz / 24v DC 230v AC 50Hz / 24v DC
Dimensions 482(W) x 132(H) x 380(D)mm 482(W) x 132(H) x 380(D)mm
Weight 8.5kg 9.5kg
PRIORITY SWITCH
ANTENNA TERMINAL
MUSIC ON HOLD
TEL
INPUT
EX MUTE
EX CHIME
EM
SPEAKER OUTPUT TERMINALS
CHANNEL
INPUT GAIN
VOLUME
CH1~CH6 MIC INPUTSAUX INPUT/OUTPUT
PHANTOM
POWER
SWITCH
PRE OUTPUT
DC 24v INPUTAC INLET
www.inter-m.uk.com
Page 18
PA-9312 / PA-9336 / PA-9348: Power Amplifiers
For installations which require pure power, the Inter-M PA-9000 Series of power amplifiers are
reliable, robust work horses. Units can be mains or DC powered so can easily operate in a critical
system or in event/hire applications using battery power. Connections and controls are rear panel
mounted to deter tampering or accidental adjustment.
Features:
• 120W/360W/480W Output power (100v/70v and 8W and 4W*)
• Audio/line in - (3 pin XLR)
• Audio/line out - (3 pin XLR)
• Input level cont rol (on rear)
• Ground lift and HPF switches
• Fan cooled
• Thermal protection circuit
• DC power termina ls
• 3U high, 19” rack mounting
* PA-9312 only has 4W low Z out put. PA-9336 / PA-9348 have 4W and 8W opti ons.
Specifications:
Model: PA-9312: PA-9336: PA-9348:
Output Power 120W RMS @ 100v / 70v and 4W 360W RMS @ 100v / 70v and 8/4W 480W RMS @ 100v / 70v and 8/4W
Input Sensitivity/Impedance 1v/ 10k
W 1v / 10kW 1v / 10kW
Output Sensitivity/Impedance 1v / 10k
W 1v / 10kW 1v / 10kW
Frequency Response 70Hz ~ 18KHz 70Hz ~ 18KHz 70Hz ~ 18KHz
Power Requirement 230v AC 50Hz / 24V DC 230v AC 50Hz / 24V DC 230v AC 50Hz / 24V DC
Dimensions 482(W) x 132(H) x 280(D)mm 482(W) x 132(H) x 280(D)mm 482(W) x 132(H) x 280(D)mm
Weight 14kg 21kg 22kg
SPEAKER OUTPUT TERMINALS
AC FUSE
AC INLET
VOLUME CONTROL
GROUND LIFT
DC 24V INPUT
HIGH PASS
FILTER
INPUT
CONNECTORS
Commercial Audio - Power Amplifiers
18
www.inter-m.uk.com
Page 19
PA-2312: 2 x 120W Dual Channel Power Amplifier
A reliable dual-channel 100v line power amplifier for PA systems requiring 2 zones, or for
space-saving integration into multi-zone rack builds.
The PA-9312 can be mains or DC powered and will also operate, therefore, in critical system or
portable event/hire applications using battery power.
Features:
• 2 x independent 120W output power
• 2 x XLR Balanced inputs
• 2 x Link outputs
• Thermal protection circuit
• High pass filter
• Fan cooled
• Ground lift switch
• 230v AC/24v DC p owered
• 3U high, 19” rack mounting
Specifications:
Model: PA-2312:
Output Power (THD 1%) 2 x 120W (23v/4W, 70v/14W, 100v/28W)
Frequency Response (+1/-3dB) 70Hz ~ 18KHz
THD at 1KHz Rated Output Less than 1%
HPF 6dB/Oct at 400Hz
Signal to Noise Ratio Better than 95dB
Input Sensitivity/Impedance 1v/10k
W Balanced
Power Source 230v AC 50Hz / 24v DC
Dimensions 482(W) x 132(H) x 280(D)mm
Weight 20kg
SPEAKER OUTPUTS
LINK CONNECTOR
GROUND LIFT SWITCH
AC INLET
HIGH PASS FILTER
BALANCED INPUT
DC 24v INPUT
OUTPUT LEVEL INDICATORS
PROTECTION LEDs
DC 24v INPUT POWER SWITCH
19
Commercial Audio - Power Amplifiers
www.inter-m.uk.com
Page 20
AC INLETSPEAKER
OUTPUTS
INPUT
TERMINALS
Commercial Audio - Power Amplifiers
20
DPA-430H: 4 Channel 100v Line Power Amplifier
An ideal 100v line installation amplifier for applications where space is at a premium and for systems
with multiple zones or requiring individual level control of each loudspeaker group.
The DPA-430H can operate as 4 individual channels or 2 x bridged channel amplifiers. Featuring
thermal, DC and overdrive protection, this powerful 4 x 300W amplifier is contained in a highly
compact 1U 19” rack mounting enclosure.
Features:
• 4 x independent 300W output power
• 4 x phoenix balanced inputs
• Thermal protection circuit
• High pass filter
• Fan cooled
• Individual volume and trim (internal) control per channel
• 1U high, 19” rack mounting
Specifications:
Model: DPA-430H:
Inputs 300W x 4 channels
Output Voltage/Impedance 100v / 33.3
W, 70v / 16.3W
T.H.D (AES17)
- Prated (300W, 1kHz) Less than 0.1%
- 1/3 Prated (100W, 1kHz) Less than 0.03%
High Frequency Response (+1, -3dB) Over than 20kHz
High Frequency Response
- High Pass Filter Off (-3dB ±2dB) 65Hz
- High Pass Filter On (-3dB ±2dB) 400Hz
S/N (20kHz LPF, A-WTD) Better than 100dB
Input Sensitivity/Impedance 1v/10k
W Balance
Operating Temperature -10° ~ +40°C
Power Source 220~240vAC, 50/60Hz
Power Consumption 250W
Dimensions 482(W) x 44(H) x 420(D)mm
Weight 9.6kg
Ideal for use with PX8000
Ideal for use in conjunction with PX8000 Audio Matrix
(see page 23)
www.inter-m.uk.com
STATUS
LEDs
ON/OFF
SWITCH
VOLUME
Page 21
21
Commercial Audio - Signal Processing
PP-9213: Mixer Pre-Amplifier
Comprehensive mixer pre-amplifier unit providing 12 inputs and 3 outputs.
Ideal for multi-input applications such as church, conference, audio visual and complex PA systems
where maximum system control is required.
Features:
• 9 x Mic inputs(XLR)
• 6 x Line mono (¼” jack)
• 3 x Line stereo (2 x ¼” jack)
• Line out (XLR~M)
• Sub 1, 2 out (¼” jack)
• Record out (¼” jack)
• Phantom power, inputs 1 & 2 (18v)
• Trim control per input
• EQ control per input
• Input/output level via fader
• EQ control of output
• 24v DC Terminal (binding post)
• 2U high, 19” rack mounting
Specifications:
Model: PP-9213:
Inputs 9 Mic (XLR)
6 Mono Line (¼ ” Jack)
3 Stereo Line (2 x ¼” Jack)
Input Sensitivity/Impedance Mic -60dB / 600
W
Line -30dB / 10k
W
Output Sensitivity/Impedance Master +4dBm / 600
W Balanced
Sub Outs +4dBm / 600
W Balanced
Rec Out -10dB / 10k
W
Phantom Power Mic 1, 2 ~ 18v DC
Frequency Response 20Hz ~ 20KHz
Power Requirement 230v AC 50Hz / 24v DC
Dimensions 482(W) x 88(H) x 280(D)mm
Weight 5kg
AC INLET
REC OUTPUT
INSERT
OUTPUT
DC
INPUT
STEREO
INPUTS
PRIORITY
SWITCH
CHANNEL
MIC INPUTS
CHANNEL
LINE INPUTS
AUX 1, 2
INPUT
PRIORITY
INPUT
SUB 1, 2
OUTPUT
MASTER
OUTPUT
PHANTOM
POWER
www.inter-m.uk.com
Page 22
Vauxhall Reg Vardy
Leading car dealership Reg Vardy’s
Nottingham Vauxhall showroom features
high quality background music and zoned
paging for showrooms, forecourt, service and
office areas all powered and controlled using
Inter-M’s PAM Series Mixer Amplifiers.
Commercial Audio - Signal Processing
22
PP-9214: Mixer Pre-Amplifier
Two output pre-amplifier allowing any of the 10 input signals to
be routed to either Output 1, Output 2 or both. Ideal for dual zone
applications in factories, leisure centres, hotels and general PA
installations.
Features:
• 8 Mic inputs (XLR)
• 8 Line inputs (¼” jack)
• 2 Stereo inputs (phono/¼” jack)
• 2 Outputs (XLR)
• Phantom power (18v block switched)
• Record output (2 x ¼” jack)
• Priority, mic 1, priority input 1, priority input 2
• 3 Band EQ per output
• Signal allocation per input chan nel
• 24v DC powered option
• 2U high, 19” rack mounting
Specifications:
Model: PP-9214:
Inputs 8 Mic (XLR)
8 Mono Line (¼” Jack)
2 Stereo Line (2 x ¼” Jack / 2 x Stereo Phono)
Input Sensitivity/Impedance
Mic -60dB / 600W Balanced
Line -30dB / 10kW Balanced
Stereo +4dB, -10dB, -20dB / 10k
W Unbalanced
Output Sensitivity/Impedance Master +4dBm / 600
W Balanced
Rec Out -6dB / 10k
W
Phantom Power Mic 1~8 18v DC Block Switched
Frequency Response 20Hz ~ 20KHz
Power Requirement 230v AC 50Hz / 24v DC
Dimensions 482(W) x 88(H) x 280(D)mm
Weight 12.8kg
AC INLET MAIN OUT DC 24V
INPUT
MIC
INPUTS
INSERTAC FUSE
LINE IN
(CH9~CH12)
REC OUT
PRIORITY IN
MUTE
SWITCH
LINE INPUTS
(CH2~CH8)
www.inter-m.uk.com
Page 23
Commercial Audio - Signal Processing
23
PX8000: 8 x 8 Audio Matrix Controller
The InterM PX8000 provides a flexible, versatile, simple to operate multi-zone audio distribution
system for applications such as hotels, leisure complexes, retail outlets and multi-room installations.
• RM8000 Remote
Microphone Station
(optional)
•
LM8000 Remote Wall
Controller with Audio Input
(optional)
• PX8000 System Integration:
PX8000
RM8000
LM8000
Area Zone
Cat5e cabling
Conventional
Loudspeaker
cabling
Paging Consoles
x8 x4
Amplifier
(eg QD Series)
Specifications:
Model: PX8000: RM8000: LM8000:
Paging MIC -50dB (Balanced) - -
MIC Input - 60dB (Balanced) -50dB (Balanced)
BGM Audio Input 8 x -10dB (Unbalanced) - -10dB (Balanced)
Audio Output 0dB (Balanced) 0dB (Balanced) 0dB (Balanced)
Sampling Frequency 8kHz - -
Recording Duration 30 sec - -
Tone Control (Paging MIC) ±10dB @ 100Hz/10kHz - -
Tone Control (Audio Output) ±12dB @ 100Hz/10kHz - -
Total Harmonic Distortion Less than 0.03% (20kHz LPF) - -
Signal to Noise Ratio Greater than 75dB (20kHz LPF) - -
Power Source 230v AC Powered from PX8000 Powered from PX8000 (option to fit
to UK gang faceplate. Ref: PS/LM Plate)
Dimensions 482(W) x 380(H) x 132(D) mm 200(W) x 206(H) x 70(D) mm 70(W) x 114(H) x 60(D) mm
Weight 8.5kg 1.4kg 0.13kg
Features:
• 8 IN ~ 8 OUT Matrix Unit
• Simple and easy to use - clear LED indicators,
illuminated buttons and fader-type volume controls
• BGM input level LED / output level meter (LEDs)
• Remote control per zone via LM8000
(selectable via front panel)
• Paging via remote MIC (up to 4 units) or via front
panel zone control panel
• Auto address allocation for RM8000 / LM8000
on connection
• Monitor Loudspeaker - for monitoring the selected
audio input source
• Emergency Message - in-built Digital Message
Store allowing recording and broadcast of an
emergency message, activated by dry contact
closure per zone (If no emergency message is
recorded, this facility can be used as an
Emergency Mute)
• Multiple Units are linkable via D-sub 25pin
www.inter-m.uk.com
Page 24
Commercial Audio - Signal Processing
24
EQ-2131 / EQ-2231: 31 Band Graphic Equalisers
31 Band Graphic Equaliser (EQ-2131) and 31 Band Stereo EQ (EQ-2231) ideal for installations
where detailed control of the sound is required, e.g. church, conference room or acoustically difficult
environments. Stereo operation, bypass and HPF are standard.
Features:
• 31 Band control (sliders/faders)
• Input gain/level (sliders/faders)
• Bypass switch (per channel)
• HPF Switch (per channel)
• Inputs (XLR~¼” jack)
• Outputs (XLR~¼” jack)
• Mains powered
• 2U high, 19” rack mounting
Specifications:
Model: EQ-2131/EQ-2231:
EQ2131 1 x 31 Band
EQ2231 2 x 31 Band
EQ Frequency 1/3 Octave
Input Level/Impedance 0dB/600
W Balanced
Output Level/Impedance 0dB/600
W Balanced
High Pass Filter/HPF 80Hz
Frequency Response 20Hz ~ 20kHz
Power Requirement 230v AC 50Hz
Dimensions 482(W) x 88(H) x 280(D)mm
Weight 4.5kg
AC INLET
BALANCED
10KΩ, 4dBu
UNITY GAIN
BALANCED
10KΩ, 4dBu
BALANCED
10KΩ, 4dBu
UNITY GAIN
BALANCED
10KΩ, 4dBu
BALANCED 75Ω
4dBu UNITY GAIN
BALANCED 75Ω
4dBu UNITY GAIN
BALANCED 75Ω
4dBu UNITY GAIN
BALANCED 75Ω
4dBu UNITY GAIN
OUTPUTS INPUTS
CHANNEL ACHANNEL B CHANNEL ACHANNEL B
LINE OUT LINE IN
www.inter-m.uk.com
Page 25
DHL Air Cargo Hub
Based at East Midlands Airport and covering
both land-based and airside operations,
this key distribution hub features an Inter-M
integrated system as the backbone to its
site-wide PA and VA.
Integrated into the building management
system of the site, the CIE-Group designed
and built racks provide zoned paging and
messaging functions as well as a structured
evacuation system for use in emergency
situations.
PT-9107SD: AM/FM Tuner
Slimline 19” rack-mounting tuner operating on AM and FM bands.
20 pre-set stations make the unit ideal for many commercial
installations requiring radio broadcast.
Fixed/variable and stereo/mono output options are also available.
Features:
• AM/FM bands
• 20 Pre-set stations
• Mono output /fixed (¼” jack)
• Mono output/variable (¼” jack)
• Stereo output/variable (stereo phonos)
• 230v AC/24v DC powered
• 1U high, 19” rack mounting
Specifications:
Model: PT-9107SD:
AM Range 522~1611 KHz
FM Range 87.5~108.0 MHz
Pre Set Stations 20
Output Levels FM Stereo ~ 500mV Balanced
FM Mono ~ 1v Balanced
AM Mono ~ 240 mV Balanced
Power Requirement 230v AC 50Hz / 24v DC
Dimensions 482(W) x 44(H) x 280(D)mm
Weight 3.5kg
AC INLET
VOLUME
MAX
MIN
DOWN
UP
6
172839405
PRESET
SCAN
MEMORY
POWER
OFF
ON
PT
9107SD
STEREO TUNER
AM
MONO / ST
FM
MODE
PRESET/TUNE
MONO
MHz
KHz
RL
DC INPUT
24V
230V 50Hz, 11W
FUSE
T125mAL / 250V
~AC INPUT
UNBAL / 75
LOOP
ANT.
LR
STEREO
MONO(BAL)MONO(BAL)
VARIABLEFIXED
S
N
www.inter-m.com
E
OUTPUT
ANT
OC03
RESET
FM AM
Ω
UNBAL / 75
DIGI-LINK
DIGI-LINK
DC 24v
INPUT
VARIABLE
MONO
OUTPUT
FIXED MONO
OUTPUT
ANTENNA TERMINAL
25
Commercial Audio - Music/Sig Generation
www.inter-m.uk.com
Page 26
Commercial Audio - Music/Sig Generation
26
PE-9103N: Chime/Siren Generator
Tone Generator allowing the selection of 4 chime/tone options or 2 siren options. It can be used as part
of a larger system or can be used as a stand-alone generator.
Features:
• Chime/tone options: Rising 4 note, falling 4 note, 2 note
• Siren options: Continuous, oscillating
• Activation on front panel
• Rear panel remote access for chime options (screw terminals)
• Line level output (¼” jack)
• 24v DC powered
• 1U high, 19” rack mounting
Specifications:
Model: PE-9103N:
Chime Options 4 note ascending, 4 note decsending and 2 tone
(ding dong)
Siren Options Continuous and oscillating
Remote Control (Chime only) Screw terminal on rear panel
Output Level/Impedance 1V / 10k
W Unbalanced
Power Requirement 24v DC
Dimensions 482(W) x 44(H) x 280(D)mm
Weight 2.8kg
OUTPUTDC 24V INPUT REMOTE CONTROL
www.inter-m.uk.com
Page 27
27
Commercial Audio - 19” Systems
PM-9208:100v Line Monitor Panel
Ideal for large commercial installations, the PM-9208 allows 8 separate 100v signals (speaker lines/
amplifier outputs) to be monitored, using simple push switch selection and internal loudspeaker to
select and listen to the required signal.
Visual indication of output is also provided via 10 segment LED meter.
Features:
• 8 Zone selection
• Monitor loudspeaker (1.5W)
• 10 Segment LED output meter
• 100v input/output (screw terminal)
• 24v DC powered
• 2U high, 19” rack mounting
Specifications:
Model: PM-9208:
Zones/Channels 8 x @ 100v Line
100v In / Out Screw terminal on rear panel
Loudspeaker Power 1.5W
Visual Display 10 Segment LED
Power Requirement 24v DC
Dimensions 482(W) x 88(H) x 280(D)mm
Weight 3.8kg
DC 24v INPUT
AUDIO INPUTS (COM)
AUDIO INPUTS (HOT)
www.inter-m.uk.com
Page 28
Commercial Audio - 19” Systems
28
LM-9228: Line Level Monitor Panel
Similar in operation to the PM-9208, the LM-9228 will monitor up to 8 separate line level audio signals.
Split into 2 groups of 4, each group has an individual line selector with visual LED indicator and volume
control for the internal loudspeaker.
Inputs and outputs are XLR and the LM-9228 is simply integrated into any line level signal path.
Features:
• Group 1/4 individual channels
• Group 2/4 individual channels
• 2 x internal loudspeakers with volume control
• Inputs (XLR)
• Outputs (XLR)
• 24v DC powered
• 2U high, 19” rack mounting
Specifications:
Model: LM-9228:
Zones/Channels 8 x @ Line Level (2 x Groups of 4)
Line In / Out (per channel) XLR
Loudspeaker Power 1.5W
Channel Activation Latching Switch with in-built LED
Power Requirement 24v DC
Dimensions 482(W) x 88(H) x 280(D)mm
Weight 7.5kg
GROUP 2 LINE INPUTS
GROUP 2 LINE OUTPUTS DC 24v INPUT GROUP 1 LINE OUTPUTS
GROUP 1 LINE INPUTS
www.inter-m.uk.com
Page 29
Commercial Audio - 19” Systems
29
PO-9106: Program Distributor
Allows the distribution of a line level signal to six separate outputs, ensuring no loss of signal when
using multiple amplifiers in larger industrial systems or for distribution of the level signals over long
distances and/or to multiple destinations.
Features:
• 1 Input (XLR)
• 6 Outputs (XLR)
• LED output signal LEDs
• Independant level controls of input/output
• 230v AC/24v DC powered
• 1U high, 19” rack mounting
LINE INPUT
AC INLET
LINE OUTPUTS
Specifications:
Model: PO-9106:
Input 1 Variable Level ~ XLR
Outputs 6 x Variable Level ~ XLR
Input Level/Impedance 1v / 600
W Balanced
Output Level/Impedance 1v / 600
W Balanced
Frequency Response 20Hz ~ 20kHz
Power Requirement 230v AC ~ 24V DC
Dimensions 482(W) x 44(H) x 280(D)mm
Weight 4kg
DC 24v INPUT
www.inter-m.uk.com
Page 30
Commercial Audio - 19” Systems
PS-9116: 100v Line Loudspeaker Selector
The PS-9116 allows the selection of up to 16 individual loudspeakers/zones fed by a 100v amplifier
or 2 groups of 8 loudspeakers fed by 2 separate amplifiers. Loudspeakers/zones are selected using
switches with in-built LED indicators or groups can be activated via voltage-free contacts on the rear.
Features:
• 16 Individual zones
• LED indicator of selected zone
• Remote control of 2 x 8 groups via voltage-free contact
• 24v DC powered
• 1U high, 19” rack mounting
Specifications:
Model: PS-9116:
Loudspeakers/Zones 16 Individual
2 x Groups of 8
Remote Control (All or 2 x Groups of 8) Voltage-free contact ~ screw terminal on rear
Power Requirement 24v DC
Dimensions 482(W) x 44(H) x 280(D)mm
Weight 4kg
REMOTE CONTROL
SPEAKE R SE LEC TOR
ALL GR OUP 1 CH1 CH2 C H3 CH4 CH5 CH6 CH7 CH8 GR OUP 2 CH9 CH10 CH11 CH12 CH13 CH14 CH15 CH 16
PS-9116
TIME REMO TE
CH 8 CH 7 CH 6 CH 5 CH 4 CH 3 CH 2 CH 1
-
+
DC INPUT
24V
CH 16 CH 15 CH 14 CH 13 CH 12 CH 11 CH 10 CH 9
AMP IN 1
AMP IN 2
ALL
GROUP 1
GROUP 2
TIMER
REMOTE
(+)
(-)
(+)
(-)
S/N
DC 24v INPUT
AMP IN
SPEAKER OUTPUTS
30
www.inter-m.uk.com
Page 31
Commercial Audio - 19” Systems
31
M
O
D
EL NO
;
PB-91
07
A
BA
TT
E
R
Y
C
HA
R
G
ER
MA
DE
IN
KO
RE
A
( )
( )
S
/
N
B
A
TTER
Y
IN
PB-9207A: Battery Charger
For use with all Inter-M power amplifiers, the PB -9207 allows the use of DC batteries for systems
which require back-up in the event of mains failure. By continuous monitoring of the batteries, the
PB-9207 will automatically charge, thus keeping the batteries in good condition until needed. Status
and condition of the batteries is shown on a clear LED display on the front panel.
Features:
• 1 large LED status/display shows volts and amps
• DC input terminals (on rear)
• Mains powered
• 2U high, 19” rack mounting
Specifications:
Model: PB-9207A:
Charging Current 3A
Charging Voltage 27.3v DC
Display LED, volts and amps
Protection Overcurrent and overcharge
Power Requirement 230v AC 50Hz
Dimensions 482(W) x 88(H) x 280(D)mm
Weight 6.2kg
DC Volt
POWER
ON
OFF
BATTE RY C HARGER
PB-9207A
DC Ampere
BATTERY IN
AC INPUT
www.inter-m.uk.com
Page 32
Commercial Audio - 19” Systems
BP-9100 / BP-9200 / BP-9300: 19” Vent Panels
Matching the aesthetics of the 19” rack mount product range from Inter-M, the vent panels not only give a
professional finish to an assembled rack system, but also allow appropriate air flow through the system,
thereby keeping it cool and running efficiently.
Features:
• 19” Rack mounting
- BP-9100 (1U high)
- BP-9200 (2U high)
- BP-9300 (3U high)
32
www.inter-m.uk.com
Page 33
33
Commercial Audio - Loudspeakers
WS203 / WS210 / WS230: Wall Speakers
Inter-M’s new-design wall speakers combine discreet styling and simplicity to provide an
elegant voice/background music wall speaker for use in offices, waiting rooms, cafeterias,
retail sites, etc.
Features:
• Modern, discreet styling
• Available in black or white
• Screw terminal connection
• High quality 100v line transformer
• WS203/210 - 6” full range driver
• WS230 - 6” 2-way driver
IWS-10AB/AW: 10W Slimline Wall Speakers
Specifications:
Model: IWS-10AB/AW:
Power 10W @ 100v line
Connection Spring-loaded push terminals on rear
Attenuator/Volume Control Off, -12dB, -6dB and 0dB
Frequency Response 220Hz ~ 12KHz
SPL @1w/1m 90dB
Colour Options/Suffix Black ~ AB
White ~ AW
Dimensions 179(W) x 312(H) x 109(D)mm
Weight 1.3kg
The slimline, modern apperarance of the IWS Series makes it an ideal loudspeaker for use in
offices, waiting rooms, retail sites, etc. Available in black or white, the units also come with a
multi-step volume control fitted to the side, allowing easy volume adjustment.
Features:
• Slimline
• Modern design
• Available in black (AB) or white (AW)
• Multi-step volume control
Dimensions:Dimensions:
183mm
315mm 124mm
Specifications:
Model: WS203: WS210: WS230:
Rated Power: 3, 2, 1W @ 100v line 10, 5, 3W @ 100v line 30, 20, 10W @ 100v line
Frequency Response: 137Hz ~ 16kHz 136Hz ~ 16kHz 126Hz ~ 16kHz
SPL @ 1W/1m: 91dB 92dB 93dB
Dimensions: 315(W) x 183(H) x 124(D)mm 315(W) x 183(H) x 124(D)mm 315(W) x 183(H) x 124(D)mm
Weight: 1.2kg 1.4kg 2.2kg
179mm
312mm
109mm
www.inter-m.uk.com
Page 34
100mm
• CS-6
220Ø
• CS-20
180mm
220Ø
Commercial Audio - Loudspeakers
34
Commercial Audio - Loudspeakers
CS-6 / CS-20: Ceiling Loudspeakers
These high quality, fast-fit ceiling loudspeakers feature premium grade drivers for impressive acoustic
performance and long-term reliability.
Ideal for paging and ambient background music applications such as offices, retail, waiting rooms,
corridors, etc...
Features:
• Metal construction
• Fast-fix solution
• Simple unobtrusive design
• Premium grade speaker drivers
• CS-20 supplied with comprehensive hardware/rails as standard
Specifications:
Model: CS-6: CS-20:
Rated Power 6W 20W
Impedance COM, 1.7k
W, 4kW, 8kW COM, 500kW, 1kW, 2kW
6W/1.7k
W, 3.5W/4kW, 1.75W/8kW 20W/500kW, 10W/1kW, 5W/2kW
Frequency Response 150Hz ~ 15kHz 150Hz ~ 15kHz
SPL (1W/1M) 92dB 92dB
Dimensions 220(ø) x 100(D)mm 230(ø) x 180(D)mm
Weight 0.7kg 2kg
www.inter-m.uk.com
Page 35
35
Commercial Audio - Loudspeakers
CU420 / CU440: Indoor Column Loudspeakers
Inter-M’s latest addition to their column speaker range, the new CU400 Series are
stylish, high-quality loudspeakers featuring improved frequency response for both
voice and music applications. Ideal for church, mosque, high quality background
music and AV systems.
Features:
• Stylish new design
• Robust construction
• Multi-position mounting bracket
• 100v Power taps (rated and ½ power)
• Screw terminal connection
Specifications:
Model: CU420: CU440:
Rated Power 20W (500W) / 10W (1000W) 40W (250W) / 20W (500W)
Frequency Response 180Hz ~ 14KHz 180Hz ~ 14KHz
SPL @ 1W/1m 94dB 97dB
Dimensions 156(W) x 400(H) x 129(D)mm 156(W) x 600(H) x 129(D)mm
Weight 3kg 5kg
Screw
Nut
HILTI Nail
Bracket B
Wall
Bolt
Bracket A
Speaker
Multi-position Mounting Bracket:
www.inter-m.uk.com
400mm
156mm
600mm
156mm
129mm
• CU-420 • CU-440
Page 36
CU520 / CU540: Outdoor Column Loudspeakers
Stylish and robust loudspeakers for installation in both indoor and outdoor
applications. Manufactured from aluminium extrusion with a steel grille, the
loudspeaker drivers are proofed to withstand damp environments and can be
used in indoor or protected outdoor installations, in shopping centres, car parks,
atriums and leisure centres.
Features:
• Proofed drivers/loudspeakers for use in damp environments
• Robust construction
• Multi-position mounting bracket
• 100v Power taps (rated and ½ power)
• Screw terminal connection
Specifications:
Model: CU520: CU540:
Rated Power 20W (500W) / 10W (1000W) 40W (250W) / 20W (500W)
Frequency Response 180Hz ~ 14KHz 180Hz ~ 14KHz
SPL @ 1W/1m 94dB 97dB
Dimensions 156(W) x 400(H) x 129(D)mm 156(W) x 600(H) x 129(D)mm
Weight 3kg 5kg
Screw
Nut
HILTI Nail
Bracket B
Wall
Bolt
Bracket A
Speaker
Multi-position Mounting Bracket:
Commercial Audio - Loudspeakers
36
Commercial Audio - Loudspeakers
www.inter-m.uk.com
400mm
156mm
600mm
156mm
129mm
• CU-520 • CU-540
Page 37
37
Commercial Audio - Loudspeakers
CU920 / CU930 / CU940: Indoor Column Loudspeakers
Attractive slimline column loudspeakers for installation in church, conference and
sports hall applications.
These models are also ideal for installation in audio visual applications, when
placed either side of a projector screen or plasma/LCD screen.
Finished in matt white, the units also feature perforated steel grille and are supplied
with multi-position wall bracket.
Features:
• Attractive slimline design
• Multi-position bracket
• 100v Power taps (rated and ½ power)
• Screw terminal connection
Specifications:
Model: CU920: CU930: CU940:
Rated Power 20W (500W) / 10W (1000W) 30W (333W) / 15W (660W) 40W (250W) / 20W (500W)
Frequency Response 220Hz ~ 15kHz 220Hz ~ 15kHz 220Hz ~ 15kHz
SPL @ 1W/1m 90dB 91dB 93dB
Enclosure Material Aluminium Aluminium Aluminium
Dimensions 104(W) x 400(H) x 86(D)mm 104(W) x 490(H) x 86(D)mm 104(W) x 580(H) x 86(D)mm
Weight 2.35kg 2.85kg 3.35kg
Screw
Nut
HILTI Nail
Bracket B
Wall
Bolt
Bracket A
Speaker
Multi-position Mounting Bracket:
www.inter-m.uk.com
580mm
104mm 86mm
490mm
104mm 86mm
400mm
104mm 86mm
• CU-920 • CU-930 • CU-940
Page 38
Commercial Audio - Loudspeakers
38
Specifications:
Model: HS-20/HS-S20:
Power/Taps 20/10W @ 100v line
Connection Multicore cable
Frequency Response 380Hz ~ 6.5KHz
SPL @1W/1m 106dB
Dimensions
HS-20: 250 Ø x 280(D)mm
HS-S20: 169 Ø x 230(D)mm
Weight
HS-20: 2.5kg
HS-S20: 1.5kg
HS-20 / HS-S20: Horn Loudspeakers
For use in environments where clear, precise voice messages, announcements or emergency
tones or signals are required. The HS-20/HS-S20 horns can be used in indoor or protected
outdoor installations.
Features:
• Re-entrant horns
• Metal/ABS construction
• Indoor and protected outdoor use
• 100v Line operation
• Power taps 20W/10W
• Conforms to IP-54
Specifications:
Model: CH-522:
Power/Taps 20/10W @ 100v line
Connection Multicore Cable
Frequency Response 110Hz ~ 20KHz
SPL @1w/1m 95dB
Dimensions 294(W) x 209(H) x 326(D)mm
Weight 3.5kg
CH-522: Music Horn Loudspeaker
The CH-522 can be used in areas where high quality voice and music reproduction are required;
for example, distribution centres, production areas and leisure applications. Proofed for outdoor
use, the CH-522 can be used in protected outdoor installations such as garden centres, town
centres and rail/bus terminals, etc.
Features:
• Modern design
• Indoor/outdoor mounting
• Full range driver/loudspeaker
• 100v Line taps (rated and ½ power)
• Universal mounting bracket
• Conforms to IP-54
• HS-S20• HS-20
www.inter-m.uk.com
Page 39
Professional Audio - Loudspeakers
39
SE8 / SE10 / SE12 / SE15 / SB15A:
Music Cabinet Systems
The SE Series loudspeaker systems from Inter-M provide both high power and high sensitivity
output. The accurate sound reproduction from the SE Series makes them ideal for a wide variety
of applications such as houses of worship, night clubs, performing arts facilities, fitness centres,
auditoriums and educational establishments for both portable and installed systems.
Trapezoidal in shape, the optimised enclosure design is constructed from high density MDF
reducing internal resonance and optimising sound output. Each model is equipped with a heavy
duty woofer providing distortion-free low frequency reproduction and 1” titanium diaphragm for
smooth extended high frequency response, with in-built protection circuitry preventing the HF unit
being overdriven.
The SUB BASS further enhances the series by providing support for the lower level frequencies
required in todays demanding performance environments.
Also included are 35mm top hat pole mounts in the base of each cabinet and multiple embedded
M8 fixing points allow the fitting of appropriate bracket work or flying hardware.
www.inter-m.uk.com
Features:
• Trapezoidal two-way speaker system
• HF driver protection circuitry
• Titanium compression drivers
• Pole mount top hat and M8 rigging points
for suspension / mounting hardware
• Optimised enclosure designed for smooth
and extended response
• High quality MDF construction
• Advanced crossover design provides
smooth and clear response
• Heavy duty grille
• Robust painted finish (Black)
Specifications:
Model: SE8: SE10: SE12: SE15: SB15A:
Rated Power 100W AES, 400W Peak 150W AES, 600W Peak 250W AES, 1000W Peak 300W AES, 1200W Peak 450W AES, 1800W Peak
Type Ultra-compact, 2-way Passive Compact, 2-way Passive Compact, 2-way Passive Compact, 2-way Passive Compact, Sub Bass
Frequency Response 65Hz ~ 18KHz 55Hz ~ 18KHz 40Hz ~ 18KHz 38Hz ~ 18KHz 40Hz ~ 300KHz
Drivers 8” LF Driver, 1” HF compression driver 10” LF Driver, 1” HF compression driver 12” LF Driver, 1” HF compression driver 15” LF Driver, 1” HF compression driver 15” LF Driver
Sensitivity 93dB (1W/1m) 94dB (1W/1m) 96dB (1W/1m) 97dB (1W/1m) 98dB (1W/1m)
Maximum SPL 112dB (1m) 114dB (1m) 117dB (1m) 119dB (1m) 124dB (1m)
Nominal Impedance 8
W 8W 8W 8W 8W
Crossover Frequency 2.5KHz 2.3KHz 2.15KHz 2KHz -
Dispersion (-6dB) 75° horizontal, 60° vertical 75° horizontal, 60° vertical 75° horizontal, 60° vertical 75° horizontal, 60° vertical -
Connectors 2 x NL4 (SPEAKON) 2 x NL4 2 x NL4 2 x NL4 2 x NL4
Fittings 3 x M8, 1 x mounting pole socket 6 x M8, 1 x mounting pole socket 6 x M8, 1 x mounting pole socket 6 x M8, 1 x mounting pole socket 1 x mounting pole socket (top)
Dimensions 296(W) x 460(H) x 290(D) mm 362(W) x 545(H) x 355(D) mm 422(W) x 665(H) x 415(D) mm 480(W) x 736(H) x 470(D) mm 470(W) x 636(H) x 540(D) mm
Weight 13kg 17.4kg 22.8kg 32kg 32kg
Page 40
Professional Audio - Amplifiers
40
R150+ / R300+ / R500+:
Reference Series Low Impedance Amplifiers
A series of 2 channel, convection-cooled (no fans) low impedance amplifiers. The units are ideal for
‘silent’ systems in church, audio visual and recording studios, etc. Simple controls and visual clip/signal/
protection LEDs complete a versatile, cost effective package.
Features:
• Convection cooled
• Stereo operation (4/8W)
• Bridged mono operation (8W)
• Inputs (XLR~¼” jack)
• Outputs (speakon~binding posts)
• Mains powered
• 2U high, 19” rack mounting
Specifications:
Model: R150+: R300+: R500+:
Output Power/Per Channel 50W @8W, 75W @4W 100W @8W, 150W @4W 160W @8W, 250W @4W
Output Power/Bridged Mono 150W @8
W 300W @8W 500W @8W
Input/Sensitivity 0dB/0.775mV 0dB/0.775mV 0dB/0.775mV
Frequency Response 20Hz ~ 20KHz 20Hz ~ 20KHz 20Hz ~ 20KHz
Power Requirement 230V AC 50Hz 230V AC 50Hz 230V AC 50Hz
Dimensions 482(W) x 88(H) x 317(D)mm 482(W) x 88(H) x 317(D)mm 482(W) x 88(H) x 317(D)mm
Weight 7.2kg 8.4kg 10.4kg
POWER
OFF
ON
N
POWER
PROTCLIPSIG
19
17
22
13
10
0
1
229
54
15
11
12
9
8
7
5
4
3
6
PROTCLIPSIG
19
17
22
13
10
0
1
229
54
15
11
12
9
8
7
5
4
3
6
RE F E R E N C E A M P L I F I E R
PLUS
INPUTINPUT
OUTPUT
CHANNEL 1CHANNEL 2
(4~8 ) (4~8 )
AC INLET OUTPUTS
INPUT
MODE
SELECTOR
INPUT
www.inter-m.uk.com
Page 41
Professional Audio - Amplifiers
41
V-1000 / V-2000 / V-3000 / V-4000:
Professional Low Impedance Amplifiers
High quality professional power amplifiers ideal for most low impedance systems and applications.
Combining compact size with power and flexibility, the V Series will operate down to 2W, and is
further enhanced with comprehensive protection circuits for over-driving, DC and short circuit, as
well as variable fan cooling.
Features:
• Variable fan cooling
• Comprehensive protection circuits
• Low impedance output (2/4/8W)
• Bridge mono option
• Balanced inputs (XLR~¼” jack)
• Outputs (speakon~binding post)
• Mains powered
• 2U high, 19” rack mounting
INPUT CONNECTIONS
SPEAKER OUTPUT CONNECTORSAC INLET
Specifications:
Model: V-1000: V-2000: V-3000: V-4000:
Continuous average output power per channel (THD 0.1%) 8W: 180W 300W 550W 750W
STEREO model (1kHz, both channels driven) 4
W: 340W 550W 1000W 1300W
2
W: 600W 900W 1650W 2100W
Bridged Mono Mode (THD 0.1%) 8
W: 700W 1100W 2000W 2600W
(THD 0.5%) 4
W: 1200W 1900W 3300W 4200W
Input Sensitivity (Rated output power @ 4W) 1v 1v 0.94v 1.04v
Frequency Response (1W @ 8W) 20Hz~20kHz: ±0.3dB 20Hz~20kHz: ±0.3dB 20Hz~20kHz: ±0.3dB 20Hz~20kHz: ±0.3dB
Signal to Noise Ratio (Rated output power 8W) 107dB 107dB 105dB 106dB
Input Impedance 12k
W Balanced 12kW Balanced 12kW Balanced 12kW Balanced
Indicators Active, Clip/Port Active, Clip/Port Active, Clip/Port Active, Clip/Port
Protection Circuitry Full Short Circuit, Full Short Circuit, Full Short Circuit, Full Short Circuit,
Thermal Protection, Thermal Protection, Thermal Protection, Thermal Protection,
Power ON/OFF Muting, Power ON/OFF Muting, Power ON/OFF Muting, Power ON/OFF Muting,
DC Output Protection DC Output Protection DC Output Protection DC Output Protection
Cooling Variable Speed Fans, Variable Speed Fans, Variable Speed Fans, Variable Speed Fans,
front to rear air flow front to rear air flow front to rear air flow front to rear air flow
Power Source 230v AC 230v AC 230v AC 230v AC
50Hz 50Hz 50Hz 50Hz
Dimensions 482(W) x 88(H) x 407(D) mm 482(W) x 88(H) x 407(D) mm 482(W) x 88(H) x 407(D) mm 482(W) x 88(H) x 407(D) mm
Weight 10.3kg 10.5kg 11.7kg 11.8kg
www.inter-m.uk.com
Page 42
QD-4240 / QD-4480 / QD-4960:
4 Channel Low Impedance Amplifiers
Ideal products if space is a premium, or if the system requires multiple zones or individual control of
loudspeakers. Units can operate as 4 individual channels or as 2 stereo (2 channel) amplifiers. Features
include delayed switch-on function, protection circuits for overdriven, overheating and DC detection, as
well as variable speed fan cooling, all in a compact 2U enclosure.
Features:
• 8Wor 4W low impedance
• Fan cooled (variable speed)
• Inputs (XLR~¼” jack)
• Outputs (Binding post)
• LED indicators for clip/protection/signal
• Mains powered
• 2U high, 19” rack mounting
Specifications:
Model: QD-4240: QD-4480: QD-4960:
Output Power Per Channel 40W @8W, 60W @4W 80W @8W, 120W @4W 170W @8W, 240W @4W
Output Power Bridged Mono 120W @8
W 240W @8W 480W @8W
Input/Sensitivity 0dBm / 20k
W Balanced 0dBm / 20kW Balanced 0dBm / 20kW Balanced
Frequency Response 20Hz ~ 50KHz 20Hz ~ 50KHz 20Hz ~ 50KHz
Power Requirement 230v AC 50Hz 230v AC 50Hz 230v AC 50Hz
Dimensions 482(W) x 88(H) x 369(D)mm 482(W) x 88(H) x 369(D)mm 482(W) x 88(H) x 369(D)mm
Weight 11.5kg 15.5kg 17kg
AC INLET
INPUT CONNECTORS INPUT CONNECTORS
GAIN VOLUME
MODE SELECT
SWITCH
OUTPUT CONNECTORS
MODE SELECT
SWITCH
Professional Audio - Amplifiers
42
www.inter-m.uk.com
Page 43
OT-4240 / OT-4480 / OT-4960:
Transformer Converters for
QD Amplifiers
Useful accessory for converting the 4 channel QD Series to
power 100v line loudspeakers, offering space-saving benefits
for amplifier systems with multiple loudspeakers or zones with
small quantities of speakers.
Features:
• 4 x 100v Transformers
• Inputs (binding posts)
• Outputs (screw terminals)
• 2U high, rack mounting
Specifications:
Model: OT-4240/OT-4480/OT-4960:
Output Power/Per Channel OT-4240: 60W 100v / 166.7W
OT-4480: 120W 100v / 83.3W
OT-4960: 240W 100v / 41.6W
Input Power / Impedance
OT-4240: 60W @ 4W
OT-4480: 120W @ 4W
OT-4960: 240W @ 4W
Dimensions
OT-4240: 482(W) x 88(H) x 310(D)mm
OT-4480: 482(W) x 88(H) x 310(D)mm
OT-4960: 482(W) x 132(H) x 310(D)mm
Weight
OT-4240: 11.5kg
OT-4480: 14.5kg
OT-4960: 21.5kg
SPEAKER OUTPUT TERMINALS AMP INPUT TERMINALS
43
Professional Audio - Amplifiers
www.inter-m.uk.com
Page 44
Installation Advice & Information
Inter-M - The Industry Standard for
Commercial Sound
Inter-M provide a range of specially-developed
installation loudspeakers for indoor and outdoor
PA applications.
Designed to achieve optimum voice/BGM clarity
in a wide range of commercial applications,
Inter-M speakers continue to be specified into
many of the UK’s leading PA installations.
The basic principles of effective
surface-mount ceiling loudspeaker
installation
The first priority of a high quality sound reproduction
system is that of providing listeners with an acoustic
level higher than that of any possible background
noise. The system must simultaneously ensure a
wide frequency range and maximum intelligibility.
It should also guarantee a flat frequency response
and uniform sound pressure level to give optimum
listening pleasure and clarity. To meet these
criteria, the hypothetical ideal solution would be
to place each sound source at an equal distance
from all required listening points.
Ceiling-mounted Loudspeakers
In environments offering suitable ceiling height, this
‘hypothetical’ ideal standard can be approximated
by using loudspeakers with very wide frequency
response and dispersion angles which remain
consistent at different frequencies, arranged in a
ceiling or ‘shower’-type configuration.
This provides the following acoustic benefits:
• Maximum sound distribution uniformity
• Maximum speech intelligibility
• Constant quality of music reproduction
• Reduced reverberation in the environment
• Sound source remains at a constant distance
from the listening position
Once the required loudspeaker type has been
chosen and the characteristic parameters
considered (eg. dispersion angle, room shape
and size), the number of loudspeaker units
needed to obtain constant and uniform sound
dispersion can easily be calculated. The required
speaker quantity is calculated by dividing the floor
area in square metres by the area of coverage of
each loudspeaker on the listening plane.
[Figure 1 clearly illustrates this concept]
Figure 1
Wall-mounted Loudspeakers
If the architectural features of the room are not
compatible with ceiling-mounted loudspeakers
or if a wall-mounted solution is preferred, it is
essential to observe a few basic rules to obtain
the most effective sound distribution. In order to
maintain the most efficient listening point inside
the direct signal area, both in-wall and surface
mounted loudspeakers with power from 6 to 20W
should be installed at a height between 2 and
2.5m.
The maximum distance between adjacent
loudspeakers must be no more than 5~6 metres
along the length of the room, where the room is no
wider than 4~5 metres.
For wider rooms (eg, 8~10 metres), it is
recommended to install loudspeakers in an
alternate pattern along both opposite walls, to
provide adequate coverage and maintain sound
pressure at the best possible constant level
throughout the area for coverage.
[see Figures 2 and 3]
Corridor/Tunnel: Area Coverage
For effective sound distribution in corridors, tunnels
or passenger platforms in railway/underground
stations, horn speakers (A) are normally specified
for increased voice clarity in these high ambient
noise conditions. For higher quality sound
reproduction, ‘sound projectors’ can be used as
an alternative.
In all cases, these loudspeakers must be installed
at a maximum distance of 15 metres from one
another, mounted all in the same direction and in
observance with the phase of each loudspeaker.
Alternatively, bi-directional versions (B) of these
loudspeakers can be considered, positioned at
a maximum of 30 metres apart (again observing
phasing).
[see Figure 4]
Figure 2 Figure 3
Figure 4
A B
44
www.inter-m.uk.com
Page 45
45
Speakers, Decibels, SPL
Lose 6dB each time distance is doubled Add 3dB when power is doubled
from speaker
Distance from speaker: 1m 2m 3m
SPL(dB)@1W 95 89 83
SPL(dB)@2W 98 92 86
SPL(dB)@4W 101 95 89
SPL(dB)@8W 104 98 92
Quantity of Ceiling Speakers per Sq/metre
for background music
Ceiling Height = 2.5m Speaker Spacing = 5m Coverage = 25Sq.m
Floor Area: Quantity of Speakers: Wattage Taps in Area
100 Sq.m 4 x Speakers Quiet 55dB Tap @1W
250 Sq.m 10 x Speakers Normal 60dB Tap @2W
1000 Sq.m 40 x Speakers Noisy 65dB Tap @3W
Degrees of protection (I.P. rating)
The characteristics of a product in terms
of its resistance to the penetration of solid
objects and liquids is indicated by the letters
IP (International Protection) followed by two
numbers in accordance with EN standards
60529-CEI 70-1.
IP degree of protection
• The first number identifies the level of
protection against the ingress of solid
objects. Number from 0 to 6.
• The second number identifies the level
of protection against penetration of
liquids. Number from 0 to 8.
Second IP number:
0 Not protected
1 Protected against vertically dripping water
2 Protected against water dripping at an
angle (up to 15° from the vertical)
3 Protected against rain
4 Protected against water spray
5 Protected against water jets
6 Protected against waves
7 Protected against the effects of temporary
immersion
8 Protected against the effects of permanent
immersion
First IP number:
0 Not protected
1 Protected against the ingress of solid
objects larger than 50mm
2 Protected against the ingress of solid
objects larger than 12mm
3 Protected against the ingress of solid
objects larger than 2.5mm
4 Protected against the ingress of solid
objects larger than 1mm
5 Protected against dust penetration
6 Totally dust-proof
www.inter-m.uk.com
Page 46
46
A few basic rules must always be observed:
1. When the load is on ‘constant impedance’; it must be connected to the relative socket.
For example, a load of 4W must be connected to a socket marked 4W, and so on. The power that the
load can withstand must always be greater than the amplifier’s rated power.
For example in the case of a load of 100W, the amplifier must have a power equal to or less than
100W.
2. When the load is at ‘constant voltage’; it must be connected to the sockets indicating
output at constant voltage - 50, 70 or 100v; the power that the load can withstand must
always be less than or equal to the amplifier rated power. For example, with a load of
100W, the amplifier must have a power equal to or greater than 100W.
To calculate the required value of a 100v line amplifier power, simply add together the power of
each loudspeaker. (See Figure 5).
However, on a constant impedance system, the load must have an equivalent impedance
(series/parallel) equal to or greater than the minimum value indicated on the amplifier output
(See Figure 6).
The loudspeaker power supply lines, with no connected attenuator, must be with 2 sheathed wires;
cables with 3 sheathed wires are required in the case of lines using attenuators which can be disabled
if an emergency is activated. Adequate wire sections are required:
1.5mm² for lines up to 500W power, 2.5mm² for lines with power over 500W. The following general
standards must also be observed:
• Never use a single cable (lead) for loudspeaker connections: this would cause disturbance producing
a loud ‘HUM’
• Never use shielded cables for the loudspeaker connections: this would cause serious damage
to the power units.
Figure 6
Low Impedance Speaker Load
16W Load
+
=
-
+
-
8W
8W
Parallel
= 4W Load
8W
+
-
8W
Series/Parallel
= 8W Load
8W
8W
+
-
+
-
+
-
+
-
(16W)
8W
8W
(16W)
Figure 5
20W 20W 20W
+
100v Line Speaker Load
Amplifier power should be equal to or greater than the total speaker load (preferably leaving
approx. 20% available power, where possible).
Low Impedance and 100v Line Systems
Constant impedance lines (low impedance) are used normally in the case of a low number of
loudspeakers, placed at a minimum distance from the amplifier <20m.
The constant voltage connection system (e.g. 100V line) offers a host of advantages making
it ideal for sound systems of all sizes, above all in the case of long distance speaker runs.
This connection system requires each loudspeaker to be equipped with its own line
transformer, which adapts the impedance of the loudspeaker (usually very low) to the much
higher level of the line itself. In proportion to power transmitted, the current circulating on a line at
100V is considerably lower than that circulating on wires of a constant impedance system and,
consequently, drops along the line are less frequent; therefore the cable gauge can be lower.
The function of the amplifier device is to raise the signal of a sound source, such as
a microphone, CD player, MP3 player or an AM/FM tuner to a sufficient level to pilot the
transducer LOUDSPEAKER. The amplifier has several inputs, to which the various sound
sources are connected.
The sound sources have to be mixed (mixer) and acoustically modified with tone control and
equalisers to optimise listening in relation to the environment’s characteristics. A terminal board
is also fitted on output indicating impedance and voltage to which the loudspeaker line is
connected.
+ =
60W Amplifier or greater
www.inter-m.uk.com
Page 47
Dedicated Rack Design & Build Facility
For many years, our customers have
also benefited from our comprehensive
Inter-M Rack System Design & Build
Service, to provide ‘ready to install’ PA, VA
and AV Racks in some of the UK’s largest
and most successful installations.
Using our extensive portfolio of Inter-M products,
our highly skilled, UK-based Technical Services
Team have a reputation for consistently producing
some of the UK’s highest quality, ready-to-install
PA rack systems to customers’ specifications.
There is no set limit to the size of system we
can produce; anything from a small single zone
speech-only system, to a multi-zone system
combining speech and music. Monitoring and
battery back-up can also be accommodated by
our in-house Technical Facility.
To ensure that we build your system to your
specific requirements, we have produced a
technical questionnaire which, once completed
by yourselves or with our assistance, outlines
requirements such as number of zones, music
sources, number of microphones, etc.
Each system is supplied assembled, wired
and fully tested before leaving our workshops.
As part of the Build Package, each System is
supplied with a comprehensive operations
manual incorporating user instructions for each
individual piece of equipment, a schematic
drawing of the System, a visual of the Rack layout
and easy to use connection details. Finally, each
System is given a unique identification number
specific to your installation which allows our
Technical Services Team to easily identify any
system we have assembled, to efficiently assist
with any after sales service requirements.
Call the CIE-Group sales desk or your
area representative on 0115 9770075
for advice, free UK site surveys and a
highly competitive quotation.
47
www.inter-m.uk.com
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T: 0115 9770075 F: 0115 9770081 E: interm@cie-group.com W: www.inter-m.uk.com
CIE-Group Widdowson Close Blenheim Industrial Estate Bulwell Nottingham NG6 8WB
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See all the latest products, specifications,
manuals and installation advice online at:
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