Guardian CX4 Mk3 Alarm Interface for Audio Systems

Formula Sound Guardian CX4 Mk3 Alarm Interface for Audio Systems - Main Image

Formula Sound Guardian CX4 Mk3 Alarm Interface for Audio Systems - Image 1

Formula Sound Guardian CX4 Mk3 Alarm Interface for Audio Systems - Image 2

Price:: RRP: £930.00 inc VAT
Code:: FORGCX4
Manufacturer Code:: 051
Brand:: Formula Sound

Main Features

4 Channel Alarm Interface
Incorporated Noise Limiter
Priority Input Automatically Mixed into all 4 Outputs
Warning / Limit & Priority LED Indicators
There are two stereo level controllers with indications on the front panel.
A test and reset switch are accessible through the front panel for quick setting up.

Guardian CX4 MK3 – Priority Interface & Sound Level Control

The Guardian CX4 MK3 is a priority interface and sound level control, which has a control input for interfacing with any fire alarm.

The unit has two functions, it’s first function is to provide a priority input into an audio system of either 4 mono or 2 stereo channels (Priority Override). The second function is to control the maximum operating audio sound level in 2 stereo channels (Sound level control).

Product Features

Priority signal can be either microphone or line level.
There are also two stereo level controllers with indications on the front panel.
A test and reset switch are accessible through the front panel for quick setting up.

Product Specifications

Connectors: Audio inputs and outputs 3-pin XLR.Priority control input and remote indicators output 6 way screw-terminal connector.
Visual indicators: Power, limit warning, peak warning, priority override. Parallel remote output will drive solid state relays for external sign switching.
Audio path: Unity gain, 20Hz-30kHz ±0.5dB.
Distortion: <0.015% THD at 1kHz +20dBu.
Input impedance: >30k ohms, max. input level +22dBu.
Output impedance: 100 ohms, max. output before clipping +22dBu into 600 ohms.
Control input: 15-24V DC applied to or from trigger (voltage mode), Isolated switch contacts, NO or NC (switch mode)
Noise Limiter: Level sense taken from channels 1 and 2.Limit threshold adjustable from –20dBu to +22dBu.
Attenuation: Adjustable override, 0 to -60dB on ch 1+2, 3+4. Adjustable dim, 0 to -11dB on ch 1+2, 3+4.
Power: 110-115V or 200-240V AC (switchable), IEC connector.
Dimensions: 1U 19 inch rack mounting x 206mm deep.