Listen Technologies CLD1-CB Data Sheet
CLD1-CB
Compact Loop Driver with Boundary Microphone
Configuration:
CLD1-CB Compact Loop Driver with Boundary
Microphone
Product Overview:
The CLD1 Compact Loop Driver is designed for counter systems and small area perimeter loop systems. Measuring only 5 x
2.9 x 1.4 in. (128 x 74 x 35 mm) and with an output current of 2.4 A (RMS), the CLD1 is the smallest and highest
performance amplifier in its class. Based on proven and highly reliable technology it is backed by a 5 year warranty and
Listen technical support. The CLD1 offers certainty of performance and the lowest lifetime cost available.
Audio quality is ensured with metal loss correction (MLC) combined with usual high standards of design. The CLD1 is
designed for flexibility and convenience, featuring two (2) separate microphone inputs with independent level controls, one
of which can be configured as a line input. All cable connections are made on a single face of the unit, adding flexibility and
further simplifying installation.
Highlights:
Low lifetime cost
5 Year warranty
Very compact
Two (2) independent inputs featuring one (1) microphone input and one (1) switchable microphone/line input
Metal loss compensation
All connections to a single face for installation convenience
Includes:
One (1) CLD1 Compact Loop Driver
One (1) Q400 Boundary Microphone with Cardioid-Directional Pickup
One (1) GE00001 Multi-Turn Preformed Loop for CDL1
One (1) Handbook and Installation Instructions
One (1) 12 VDC Power Supply (North America)
Product Specification: Compact Loop Driver with Boundary Microphone
Audio
Frequency Response 80 Hz to 6.5 kHz ± 3 dB
Distortion THD+N < 0.2 %, 1 kHz Sine Wave at Full Current
AGC Optimized for Speech, Dynamic Range > 36 dB
Microphone Input Unbalaced 3.5mm Mono Connector for Electret Micorphone, 6 VDC Bias
Line Input Switchable Line/Microphone, Unbalaced 3.5mm Mono Connector
Controls
Gain Control Front recessed input level control
Metal Loss Correction Correct system frequency response due to metal structures
Cooling Natural Convection
Indicators
Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A.
Compact Loop Driver with Boundary Microphone Page 1 of 2
+1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax
Listen Technologies Corporation All rights reserved 91407 - Created December 11, 2019
CLD1-CB
Compact Loop Driver with Boundary Microphone
Product Specification: Compact Loop Driver with Boundary Microphone
Drive Current Indication Front Panel LED Indicates Current Peaks
Interconnections
Loop Connector/s Level Cable Clamp
Loop
Perimeter Loop - Coverage 1:1 Aspect Ratio - 215 sq ft. (20 m²), 2:1 Aspect Ratio - 323 sq ft. (30 m²), 3:1
Aspect Ratio - 377 sq ft. (35 m²)Condition 1 - Loop must be 3-6 ft. (1-2 m)
above or below the receiver height, Condition 2 - There should be no metal
structures in the plane of the loop, Condition 3 - There must be sufficient
voltage to drive the loop
Power
VOX Switching To control prioritization of micorphone 1 input
Compliance UL Listed
Power 12 VDC, 1.0 A, 18 W, 45-65 Hz, Power Switch/Led on Front Panel
Drive Voltage 3.2 V (RMS), 4.5 V Peak at Maximum Output Current
Drive Current 2.4 A (RMS), 3.4 A Peak with 1 kHz Sine Wave
Drive Current Peaks Short Term > 4.8 A
Physical
Width 5.0 in. (128 mm)
Height 1.4 in. (35 mm)
Depth 2.9 in. (74 mm)
Shipping Weight 2.2 lbs. (998 g)
Mounting Freestanding, Wall Mounting
Cable Length 10 AWG - Max distance at full current - 268 ft. (82 m), 14 AWG - Max distance
at full current - 247 ft. (75 m), 18 AWG - Max distance at full current - 168 ft.
(51 m), 22 AWG - Max distance at full current - 94 ft. (29 m), FB1.8 - Max
distance at full current - 328 ft. (100 m)
Weight 1.0 lbs. (454 g)
Environmental
Relative Humidity IP20 Protection, 20 to 90% Relative Humidity, 32 F (0 C) to 95 F (35 C)
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Listen Technologies Corporation * 14912 Heritage Crest Way * Bluffdale * Utah 84065-4818 U.S.A.
Compact Loop Driver with Boundary Microphone Page 2 of 2
+1.801.233.8992 * +1.800.330.0891 North America * +1.801.233.8995 Fax
Listen Technologies Corporation All rights reserved 91407 - Created December 11, 2019
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