Overview
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
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
Environmental
32˚ – +122˚F (0˚ – +50˚C)
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
