Asl intercom ANALOG INTERCOM BROCHURE
ASL Analog Intercom
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ASL Intercom
eadquartered in Utrecht, the Netherlands,
ASL Intercom BV was established in 1985 by
H
current Managing Director Eric de Bruyn.
Formerly a founding principal of Ampco Pro Rent,
a highly regarded Dutch sound hire rm, de Bruyn
formed ASL Intercom with the immediate goal of
building intercoms suited to the extreme demands of live entertainment and broadcast production in both portable and installed systems.
The company has since broadened into industrial
and commercial applications, and now oers a
full line of analog, digital and wireless intercoms
backed by prompt, personalized technical support.
The ASL Analog Intercom line currently comprises
both the Basic Series and Pro Series of single and
multi-channel systems. ASL also oers the Wireless
Series intercoms (operating in the 2.4 GHz band),
the Cue Light System and a wide range of Intercom
Accessories.
ASL Analog Intercom Systems
ASL Analog Intercom systems have a proven track
record of reliable operation in the most demanding live production, broadcast and industrial
applications. Two Series are available to meet
every need, from single-channel systems with
only three or four user stations to highly complex,
multi-channel systems with multiple speaker stations as well as both wired and wireless beltpacks.
Regardless of system size, all ASL Analog Intercoms
are easy to install and simple to operate. Perhaps
most importantly, all will provide reliable and highly intelligible voice communications, even after
years of hard use in stressful work environments.
What’s Inside
Page 4 + 5 Basic Series: Intercom Simplicity
Page 6 + 7 Pro Series: Simply the best in analog intercom
Page 8 + 9 Pro Series Master Stations
Page 10 + 11 Pro Series Speaker Stations and Beltpacks
Page 12 + 13 Pro Series Power Supplies and Interfaces
Page 14 + 15 Wireless intercom
Page 16 Cue Light System
Page 17 Accessories and Special Audio Products
Page 18 Technical Specications
Page 19 System Congurations
Page 20 Contact info
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Basic Series: Intercom simplicity
The Basic Series provides a cost-eective solution in more limited applications that require full duplex,
party line communication. All interconnections are made with standard, balanced microphone cable
with XLR-3 connectors. Installation requires no expert knowledge, and clear layout of controls assures
trouble-free operation with a very short learning curve. A current-driven interconnect loop ensures that
operator listening levels do not change as stations are added to or removed from the network.
Features Summary
■
Durable, lightweight ABS beltpack
■
Visual and audible call system, with volume
trimmers
■
Accepts dynamic or electret microphones
(phantom powering standard)
■
Separate TALK and CALL functions, each with
LED indicators
■
Auto-resetting switch-mode power supplies for
110 V or 240 V mains
■
Proprietary frequency correction for enhanced
intelligibility
■
Automatic headset detection
■
Auxiliary program input
Features in Detail
Headphone Ampliers – High-quality, push-
pull headphone ampliers contribute to a system
frequency response of 200 Hz to 15 kHz and a
dynamic range of 80 dB. Output is 500 mW @ 200
ohms. A proprietary frequency contouring circuit
optimizes voice range reproduction to ensure
exceptionally high intelligibility even in high ambient noise environments.
Headset Connections – Both the Master Station
and beltpack accept either dynamic or electret
microphones as standard. Mic gain is adjustable
internally for optimum results with any microphone. A headset detection circuit ensures the mic
pre-amp is active only when a headset is connected. A volume control enables the user to listen at
any desired volume, and to balance levels on the
two channels of the BS 216 Master Station.
Side Tone – Each user station includes a side tone
trimmer for each channel to allow adjustment of
the operator’s voice level as heard through his or
her own headset or loudspeaker.
Switch-mode Power Supplies – In case of short
circuits, faulty wiring or excessive thermal conditions, the Power Supply will self-protect by
reducing power output, eventually shutting down
under prolonged extreme stress. Once the fault is
corrected, the power supply automatically resets
and restores normal operation.
TALK Function – TALK button with green LED indicator connects to all user stations and beltpacks
on the indicated channel.
CALL Function – The combined audible and
visual CALL alert adapts to both sound- and lightsensitive environments. An incoming or outgoing
call signal is indicated by a large red LED. Pushing
the CALL button for more than two seconds activates the internal BUZZER. Volume of the BUZZER
can be trimmed or muted.
AUX INPUT – The 2-channel Master Station
(BS 216) and Power Supply (BS 286) each oer a
balanced auxiliary input (individually attenuated)
normally used to carry the auditorium or on-air
program audio. Inputs may be switched between
line level and microphone level with 30 V DC
phantom powering.
Master Station
BS 216 2-channel Master Station
The BS 216 is designed to function as the master
unit in an ASL Analog Intercom system. It is suitable for use in both portable and xed installations. The BS 216 incorporates its own built-in
switch-mode universal power supply, and operates as a dual channel power supply for driving
connected beltpacks.
Product features in brief:
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Separate TALK and CALL buttons with LED indicators for each channel
■
Volume control (LISTEN level) for each channel
■
Power Supply capable of driving fteen BS 15
Beltpacks to full volume
■
AUX input volume control separately adjustable
for each channel
■
30 V DC phantom power at Aux input when ‘mic
level’ is selected
Beltpack
BS 15 1-channel Beltpack
The BS 15 is a 1-channel intercom station housed
in a strong, lightweight ABS case. It is powered via
the intercom line by a BS 216 Master Station or a
BS 181 / BS 286 Power Supply.
BS 15 1-channel Beltpack
BS 181 1-channel Power Supply
Power Supplies
BS 181 1-channel Power Supply
The BS-181 is a 1-channel Power Supply housed
in a steel case. It has the capacity to power up to
fteen BS 15 Beltpacks to full volume. The BS 181
enables cost-eective system powering when only
one channel is needed.
BS 286 2-channel Power Supply
The BS 286 is a 2-channel, switch-mode Power
Supply with an AUX input for program signals. It is
housed in a 1U steel rack-mount case. The BS 286
will safely drive fteen BS 15 Beltpacks when each
is set to full volume. Separate volume controls for
the AUX input allow aux program levels for each
channel to be adjusted independently.
Talkpacks
The Basic Series products are also available as
Talkpacks (pre-packed intercom systems) in the
following congurations:
BS 216 BS 181 BS 15 HS-1/D HS-2/D
Talkpack 1 1 2
Talkpack 2 1 2 2
Talkpack 2-1 1 2 2
Talkpack 3 1 2
Talkpacks
BS 216 2-channel Master Station
BS 286 2-channel Power Supply
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Pro Series: Simply the best in analog intercom
The ASL Pro Series oers comprehensive and highly exible systems solutions for full duplex, party-line
communications. The Pro Series can accommodate multiple channels, very large user station counts,
and both wired and wireless user stations. Though extensive congurations are possible, all interconnections are based on standard balanced microphone cable (XLR-3 connectors), and installation requires
no expert knowledge. Clear layout of controls makes operation essentially foolproof, even in under time
pressures and in low light environments. Exceptional build quality and careful quality control assure reliable performance for many years.
Features Summary
■
Latching or momentary function on TALK
buttons
■
User stations with 1, 2, 4 or 6 channels
■
Beltpacks available with either lightweight ABS
or durable aluminum casings
■
Separate CALL and TALK functions each with
large LED indicators
■
Unique visual and audible call system with
volume trimmers
■
Remote mic mute and audible call (buzzer) mute
■
Accepts dynamic or electret microphones
(phantom power standard)
■
Headphone volume and dynamic range exceed
industry norm
■
Extended frequency response and proprietary
frequency correction for high intelligibility
■
Individual side tone and buzzer volume
trimmers for each user station
■
Auto resetting switch-mode power supplies
■
Auxiliary program inputs
■
Electronic switching
■
Automatic headset detection
■
Optional binaural headset operation on
multi-channel stations
■
DC input
■
System Link
Headset Facilities – Both the Master Station and
Beltpack accept either dynamic or electret microphones as standard. Mic gain is adjustable internally for optimum results with any microphone. A
headset detection circuit ensures the mic pre-amp
is active only when a headset is connected.
Volume controls – Volume controls enable the
user to listen to each channel at any desired
volume, and to balance levels among channels on
multi-channel stations.
Optional Binaural Headset Connector – As an
option, an XLR-6 headset connector can be tted
for use with binaural headsets. Internal jumpers
allow setting of channel assignments to either or
both headset transducers. On units with an AUX
input, the intercom channel can be routed to the
left headset can and the program channel to the
right transducer.
Side Tone – Each user station includes a side tone
trimmer for each channel to adjust level for the
operator’s voice as heard through his or her own
headset or loudspeaker.
Switch-mode Power Supplies – In case of short
circuits, faulty wiring or excessive thermal conditions, the power supply will self-protect by
reducing power output, eventually shutting down
under prolonged extreme stress. Once the fault is
corrected, the power supply automatically resets
and restores normal operation.
TALK Function – TALK button with green LED indicator connects to all user stations and Beltpacks
on the indicated channel.
CALL Function – The combined audible and
visual CALL alert adapts to both sound- and lightsensitive environments. An incoming or outgoing
call signal is indicated by a large red LED. Pushing
the CALL button for more than two seconds activates the internal BUZZER. Volume of the BUZZER
can be trimmed or muted.
AUX INPUT – Power Supplies and Master Stations
oer a balanced auxiliary input normally used to
carry the auditorium or on-air program audio. The
line-level input has a “ground lift” switch.
MIC MUTE – An ALL MIC MUTE push button is
provided on each Master Station and Power Supply, allowing the user to temporarily mute the
microphones on all connected user stations. The
PS 4379 and PS 6379 also have separate MIC MUTE
buttons for each channel. All mics are muted automatically during power-up on the Master Station
or Power Supply.
BUZZER MUTE – A BUZZER MUTE push button on
each Master Station and Power Supply allows the
user to mute the buzzer on all connected user stations. The PS 4379 and PS 6379 additionally have
separate BUZZER MUTE push buttons for each
channel.
Features in Detail
Headphone Ampliers – High-quality, push-pull
headphone ampliers contribute to a system
frequency response of 200 Hz to 15 kHz and a
dynamic range of 80 dB. Output is 1 W nominal @
200 ohms. A proprietary frequency contouring circuit optimizes voice range reproduction to ensure
exceptionally high intelligibility even in high ambient noise environments.
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