Digital Telephone Voice Recording Interfaces
Analogue Audio/Telephone Recording Interfaces
Covert Audio/Video Security System
Audio System / Dealer Board Interface Analogue Telephone Signalling Converters

PRO RANGE MICROPHONE SYSTEMS The ACL Digital Pro range of Microphone systems is ideally suited to monitor a wide range of audio sources. The Microphone systems and associated high quality pre amps are available in 1 to 4 channels in desk top package or up to 80 channels in rack mount package for multi channel installations.

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The ACL Digital Microphone systems lend themselves to many applications in the security market place, police forces, casino groups and long range recording.


All Microphone systems have excellent sound quality and employ state of art techniques, using the latest powered electret capsules.
New state of art 4 channel pre amp
7 band E.Q. per channel.
Excellent filtering capabilities.
Very low noise floor.
Connectable to most types of mic e.g. rifle, omni-, and uni- directional.
Stand alone (1 to 4 chnl) or rack mount (4 to 80 chnl) packaging.


Frequency response 200 Hz- 8kHz.
Total Harmonic Distortion 0.07%
Maximum input level 32dBu
Maximum output level +10dBu
Equivalent input noise 125dBu
Equaliser +/-12dB @ 60Hz, 150Hz, 400Hz, 1kHz, 2k5Hz, 6kHz, 16kHz.
Pwr +/-12V DC, phantom +24V DC
Standard Euro card form factor

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