local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.
This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible
situation which may arise during installation, operation or maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have
occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice:
property of their respective owners.
Crown, Crown Audio and Amcron are registered trademarks of Crown International. Other trademarks are the
To obtain information in another language about the use of this product, please contact your
Crown 140MAx
Some models may be exported under the name Amcron.
7)Do not block any ventilation openings. Install
in accordance with the manufacturer’s instructions.
8)Do not install near any heat sources such as
radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce
heat.
9)Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug
has two blades with one wider than the other.
A grounding-type plug has two blades and a
third grounding prong. The wide blade or the
third prong is provided for your safety. If the
provided plug does not fit into your outlet,
consult an electrician for replacement of the
obsolete outlet.
10) Protect the power cord from being walked on
or pinched, particularly at plugs, convenience
receptacles, and the point where they exit from
the apparatus.
11) Only use attachments/accessories specified
by the manufacturer.
12) Use only with a cart, stand, tripod, bracket, or
table specified by the manufacturer, or sold
with the apparatus. When a cart is used, use
caution when moving the cart/apparatus combination to avoid injury from tip-over.
13) Unplug this apparatus during lightning storms
or when unused for long periods of time.
14) Refer all servicing to qualified service personnel. Servicing is required when the apparatus
has been damaged in any way, such as powersupply cord or plug is damaged, liquid has
been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally,
or has been dropped.
15) WARNING: TO REDUCE THE RISK OF FIRE
OR ELECTRIC SHOCK, DO NOT EXPOSE
THIS APPARATUS TO RAIN OR MOISTURE.
16) DO NOT EXPOSE TO DRIPPING OR SPLASHING. DO NOT PLACE OBJECTS FILLED WITH
LIQUID, SUCH AS VASES,ON THIS APPARATUS.
TO COMPLETELY DISCONNECT THIS EQUIPMENT
FROM THE AC MAINS, DISCONNECT THE POWER
SUPPLY CORD PLUG FROM THE AC RECEPTACLE. THE MAINS PLUG OF THE POWER SUPPLY
CORD SHALL REMAIN READILY OPERABLE.
TO PREVENT ELECTRIC SHOCK DO NOT REMOVE
TOP OR BOTTOM COVERS. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
À PRÉVENIR LE CHOC ÉLECTRIQUE N’ENLEVEZ
PAS LES COUVERCLES. IL N’Y A PAS DES PARTIES SERVICEABLE À L’INTÉRIEUR. TOUS REPARATIONS DOIT ETRE FAIRE PAR PERSONNEL
QUALIFIÉ SEULMENT.
WATCH FOR THESE SYMBOLS:
The lightning bolt triangle is used to alert the user
to the risk of electric shock.
The exclamation point triangle is used to alert the
user to important operating or maintenance instructions.
IMPORTANT
Commercial Audio Series tuner-mixer-amplifiers
require Class 2 output wiring.
MAGNETIC FIELD
CAUTION! Do not locate sensitive high-gain equipment such as preamplifiers or tape decks directly
above or below the unit. Because this tuner-mixeramplifier has a high power density, it has a strong
magnetic field which can induce hum into
unshielded devices that are located nearby. The field
is strongest just above and below the unit.
If an equipment rack is used, we recommend locating the tuner-mixer-amplifier(s) in the bottom of the
rack and other sensitive equipment at the top.
FCC COMPLIANCE NOTICE
This device complies with part 15 of the FCC rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
CAUTION: Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
page 2
Operation Manual
Commercial Audio Series Tuner-Mixer-Amplifiers
Crown International, Inc.
Issued By: Crown International, Inc.
1718 W. Mishawaka Road
Elkhart, Indiana 46517 U.S.A.
European Representative’s Name and Address:
Nick Owen
35, Bassets Field
Thornhill
Cardiff. South Glamorgen
CF14 9UG United Kingdom
Equipment Type: Commercial Audio Series
Family Name: Tuner-Mixer-Amplifiers
Model Names: 140MAx
EMC Standards:
EN 55103-1:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 1: Emissions
EN 55103-1:1997 Magnetic Field Emissions-Annex A @ 10 cm and 1 M
EN 61000-3-2:2001 Limits for Harmonic Current Emissions (equipment input current 16A per phase)
EN 61000-3-3:2002 Limitation of Voltage Fluctuations and Flicker in Low-Voltage Supply Systems Rated Current 16A
EN 55022:2003 Limits and Methods of Measurement of Radio Disturbance Characteristics of ITE: Radiated, Class B Limits; Conducted, Class B
EN 55103-2:1997 Electromagnetic Compatibility - Product Family Standard for Audio, Video, Audio-Visual and Entertainment Lighting Control Apparatus for Professional Use, Part 2: Immunity
EN 61000-4-2:2001 Electrostatic Discharge Immunity (Environment E2-Criteria B, 4k V Contact, 8k V Air Discharge)
EN 61000-4-3:2001 Radiated, Radio-Frequency, Electromagnetic Immunity (Environment E2, Criteria A)
EN 61000-4-4:2001 Electrical Fast Transient/Burst Immunity (Criteria B)
EN 61000-4-5:2001 Surge Immunity (Criteria B)
EN 61000-4-6:2003 Immunity to Conducted Disturbances Induced by Radio-Frequency Fields (Criteria A)
EN 61000-4-11:2001 Voltage Dips, Short Interruptions and Voltage Variation
Safety Standard:
IEC 60065: 2002 7th Ed. Safety Requirements - Audio Video and Similar Electronic Apparatus
CAN/CSA-E60065-03 7th Ed. Audio, Video and Similar Electronic Apparatus-Safety Requirements
UL 60065 7th Ed. Audio /Video and Musical Instrument Apparatus for Household, Commercial and Similar General Use.
DECLARATION of CONFORMITY
FOR COMPLIANCE QUESTIONS ONLY:
Sue Whitfield
574-294-8289
swhitfield@crownintl.com
I certify that the product identified above conforms to the requirements of the EMC Council Directive 89/336/EEC as amended by 92/31/EEC, and the Low Voltage Directive 73/23/EES as amended by 93/68/EEC.
Signed
Operation Manual
Larry Coburn
Title: Senior Vice President of Manufacturing
Due to line current harmonics, we recommend that you contact your supply authority before connection.
Date of Issue: Jan. 1, 2006
page 3
Table of Contents
Commercial Audio Series Tuner-Mixer-Amplifiers
Important Safety Instructions .......................................................2
Declaration of Conformity ............................................................3
Crown Factory Service Information Form .....................................25
page 4
Operation Manual
Commercial Audio Series Tuner-Mixer-Amplifiers
*
1 kHz
140MAx
Minimum guaranteed power
into 4 ohms
*1 kHz Power: refers to maximum power in watts at
1 kHz with 0.5% THD.
Power
40W
1 Welcome
The Crown® 140MAx Pack is the first tunermixer-amplifier and loudspeaker system
designed for commercial use. It is designed for
easy installation by the user. Applications
include restaurants, retail stores, coffee shops
and other commercial establishments.
The system includes the Crown 140MAx tunermixer-amplifier, two JBL
loudspeakers, and two 25-ft. speaker cables.
Built into the 140MAx is an XM Radio tuner
that receives satellite radio stations with digital
sound quality. A front-panel LCD screen displays XM Radio channel data (channel number,
channel name, artist name, song title), 16 station presets and signal strength.
®
Control® 1S 2-way
The unit also accepts signals from line, telephone, or microphone (phantom power
included). Bass and treble controls allow the
user to tailor the tone quality of the sound system. The priority ducking feature drops the volume of the background music when a
microphone is used. A VOX threshold setting
controls how loud the voice must be before
ducking occurs.
The built-in power amplifier provides 40 watts
into a 4-ohm output (for use with the supplied
JBL Control 1S loudspeakers). Current and
thermal limiting protect the amplifier and loudspeakers from accidental overload.
1.1 Features
•Ideal for commercial use; can be
installed by the user
•4 inputs, one input volume control, and
one 40W amplifier output channel
•Balanced Phoenix-type mic/line input,
XLR-type mic input, dual RCA stereo
music inputs, screw-terminal speaker
outputs
•Programmable XM Radio tuner with XM
channel data display
•Priority ducking
•XM Radio Music-On-Hold output
•Two JBL Control 1S 8-ohm 2-way loudspeakers with cables included
•One-Year, No-Fault, Fully Transferable
Warranty completely protects your
investment and guarantees its specifications
Operation Manual
page 5
1 Welcome (continued)
Commercial Audio Series Tuner-Mixer-Amplifiers
1.2 Front Panel Controls and Indicators
A. Input Volume Control (Levels): One detented encoder with knob.
Microphone/line (switchable).
B. XM Tuner Display: LCD screen displays XM channel data (channel
number, channel name, artist name, song title) 16 station presets and signal
strength.
C. XM Tuner Scroll Knob: Lets you scroll through channels and select
them.
D. Power Indicator: Blue LED indicates power on.
E. XM Tuner Menu Button: Selects Direct, Preset or Category mode.
F., G: XM Tuner Category Buttons: Scrolls through categories (rock,
classical, news, country, etc.)
H. Power Switch: Pushbutton on-off switch.
page 6
Figure 1.1 Front Panel Controls and Indicators
Operation Manual
Commercial Audio Series Tuner-Mixer-Amplifiers
1 Welcome (continued)
1.3 Back Panel Controls and Connectors
I. Amplifier Output Connectors: 2-position terminal
strip with COM (Common) and 4-ohm terminals. Accepts
up to 10 AWG crimp-on terminal forks. Speaker wire
included.
J. XM Radio Section
XM Radio Stereo Line Out Connector: Dual RCA jacks for
stereo music out from XM Radio tuner.
RS-232 Port: Not currently active. For future diagnostics
use.
XM Radio Antenna Connector: Connects to XM antenna
cable.
K. Priority Section
Active Indicator: LED illuminates when VOX ducking is
active.
VOX Threshold: Trim pot adjusts how loud the voice must
be before ducking occurs. Can be set for no ducking.
IJKLM
Priority Release Control: Trim pot adjusts release time of
VOX ducking.
Priority Connector: 3-pin Phoenix-type connector for pushto-talk mic switch. Contact closure activates ducking. Ducking does not affect Music-On-Hold outputs or XM stereo
line out.
L. Music-On-Hold Section
MOH Signal Presence Indicator: Flashes when MOH signal
is present.
MOH 1V Level Control: Trim pot adjusts level for MusicOn-Hold 1V output.
MOH 1V Line Output Phoenix Connector: 3-pin Phoenix
connector, 600-ohm transformer-isolated output, provides
Music-On-Hold signal of approximately 1 volt.
MOH 1V Line Output RCA Connectors: Two RCA connectors (mono) for 1-volt output (in parallel with 600-ohm connectors, so they are isolated).
Phantom Power Switch: Turns phantom power on or off for
Phoenix-type input connector and XLR input connector.
Mic/line Switch: Selects mic-level or line-level signal for
Phoenix-type input.
Dual RCA Input Connector: For stereo music signals,
unbalanced, summed together, two connectors per input.
N. AC Power Cable: Permanently attached.
O. TEL Input Connector: Transformer-isolated 600-ohm
input, summed into input for paging from a telephone system.
Operation Manual
NO
Figure 1.2 Back Panel Controls and Connectors
page 7
2 Setup
2.1 Installation
CAUTION: Before you begin, make sure your
tuner-mixer-amplifier is disconnected from
the power source, with the power switch in
the “off” position and the Levels control
turned completely down (counterclockwise).
You may place a single mixer-amp on a surface with
12 inches of air space around the unit for convection cooling.
Do not mount units directly on top of each other.
Allow 2 rack units (3.5 inches) between units for
convection cooling. When using a rack, the side
walls of the rack should be a minimum of two
inches (5.1 cm) away from the tuner-mixer-amplifier
sides, and the back of the rack should be open.
.
3.5 In.
8.9 cm
Commercial Audio Series Tuner-Mixer-Amplifiers
17.3 In.
43.8 cm
12.2 In.
31.0 cm
13.9 In.
35.2 cm
Figure 2.1 Dimensions
4.1 In.
10.5 cm
page 8
Operation Manual
Commercial Audio Series Tuner-Mixer-Amplifiers
2 Setup (continued)
2.2 Choose Input Wire and Connectors
Crown recommends using pre-built or professionally wired balanced line (two-conductor plus shield), 22-24 gauge cables and
connectors. Unbalanced line (one-conductor plus shield) may
also be used but may result in noise over long cable runs.
The 140MAx has three types of input connectors: Phoenix-type,
XLR, and RCA.