Overview
Clear-Com MA-704 IFB Control Panel with Microphone Jack
The MA-704 Leader Control and Talent Access Station provides individual access to the four Talent channels. The ALL button simultaneously accesses all Talent positions of the MA-704 and each AX-704 expansion station. It contains the audio line-driver circuits for cue audio. One MS-704 is required at each talent access control location
- Four Talent channels
- All IFB button simultaneously access all Talent channels
- Tally lights indicate IFB channels in use
- Optional rack mount kit for up to 12 talent access buttons in a 1RU
- Powered by the intercom line
Specifications / Documents
Panel Microphone Input
- Input Type: Electret
- Input Impedance: >=2kΩ
- Mic Limiter Threshold: 0dB ± 3dB
- Mic Limiter Range: >= 15dB
Frequency Response
- Panel Mic – Talent: 200 – 18kHz ± 3dB
- Extension Line – Talent: 200 – 18kHz ± 3dB
Max Distortion
- Panel Mic – Talent: <= 0.5%
- Extension Line – Talent: <= 0.1%
Noise
- Panel Mic – Talent: < -65dBu
- Extension Line – Talent: < -85dBu
Max Gain
- Panel Mic – Talent: <= 40dB
- Program Input – Talent: <= -45dB
Power
- Input Voltage Range: 20-30V DC
- Input Current (Idle): <= 140mA
- Input Current (Max): <= 180mA
Rear Panel Connectors
- IFB Input: (1) XLR6F-Switchcraft pin layout*
- IFB Ext.: (1) XLR6M-Switchcraft pin layout*
- Extension Bus Out: (1) 1/4 TRS jack
- External Line In: (1) 1/4 TRS jack
- Mic Gain: (1) Gain adjust
*Requires a cable with 4 shielded pairs.
Front Panel Controls & Indicators
- (5) Talk buttons
- (1) 1/4 Threaded TRS Microphone Socket
Dimensions
- 6.3 x 1.75 x 5.5in (WxHxD), (160 x 44 x 140mm)
Weight
- 1.71lbs (0.78kg)
*IMPORTANT: XLR Connector Compatibility
Clear-Com products featuring 6-pin XLR connectors utilize the Switchcraft XLR pin layout. Compatible connectors are available from manufacturers, such as Switchcraft and Neautrik, yet compatibility must be verified. Neutrik 6-pin XLR connectors must include “S” in the part number to ensure compatibility
