The Cobalt® 9241 Analog Audio Distribution Amplifier is an analog audio distribution amplifier with up to eight low-impedance outputs designed for broadcast use. It can be used as either a mono or two-channel (stereo) audio DA. The 9241 can provide eight copies of a single (mono) input signal or four copies each of a two (stereo) inputs.
The 9241 can also sum two channels for creating a mono mix. It can also detect dead-air silence and set an alarm when no audio is present.
Key Features
Handles mono or stereo signals
Multi-mode with stereo (2x4), mono 1x8, or summed (L+R) mono x8 output modes
Silence detection with configurable threshold/holdoff time
Remote control/monitoring via Dashboard ™ software or OGCP-9000 remote control panels
Five year warranty
Specifications
Electrical
Power: 3 Watts
Analog Audio Input
Number of inputs: 2 balanced
Impedance: >20 kΩ balanced
Max Level: +27.5 dBu
Common Mode
Rejection: >80 dB, 20 Hz to 20 kHz
Performance
Freq. Response: >0.1 dB at 20 Hz to 20 kHz
Gain: -14 dB to +18 dB cont. variable
Harmonic Distortion: <0.01%
SNR: > 95 dBu
Analog Audio Output
Number of Outputs: 8
Impedance: 60 Ω balanced
Max Level: +26 dBu
Diagrams
Block Diagram
RM20-9241-B
- (2) Balanced Analog Audio In (IN 1 and IN 2)
- (8) Balanced Analog Audio Out (1-1 thru 1-4 OUT; 2-1 thru 2-4 OUT)
(Can be used as 1×8 DA)
RM20-9241-C/S
(Dual-card (split) rear module; connections are per card)
- (2) Balanced Analog Audio In (IN 1 and IN 2)
- (6) Balanced Analog Audio Out (1-1 thru 1-3 OUT; 2-1 thru 2-3 OUT)
(Can be used as 1×6 DA)
RM20-9241-D/S
(Dual-card (split) rear module; connections are per card)
- (2) Balanced Analog Audio In (IN 1 and IN 2)
- (8) Balanced Analog Audio Out (1-1 thru 1-4 OUT; 2-1 thru 2-4 OUT)
(Can be used as 1×8 DA)
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