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The 400ADA-AUD Analog Audio Distribution Amplifier is a general-purpose 1x9 amplifier for distributing balanced analog audio signals.
The 400ADA-AUD can be operated with either differential or single ended inputs and offers a wide range of gain adjustment to handle a wide variety of input signals.
The 400ADA-AUD is housed in the 3RU Exponent 400FR frame that will hold up to 16 modules.
Features
- Differential and single ended input (automatic single ended to differential conversion)
- High impedance inputs
- Low impedance inputs
- Wide gain adjustment range
- High common mode range and common mode rejection ratio
- Very high SNR
- Very low THD+N
Card Edge LEDs
- Module status / Local fault
- Power supply status
Specifications
Analog Audio Input | |
|---|---|
| Standards | Any analog audio signal |
| Number of Inputs | 1 (Balanced of Single ended) |
| Connector | 3 pin removable terminal strip |
| Input step gain | 0dB or +6dB (configurable with jumpers) |
| Fine gain control | -5 to +5dB (card edge pot adjustable) |
| Maximum input level | |
| 0dB input gain | +34dBu |
| +6db input gain | +28dBu |
| Common Mode Rejection | > 105dB @ 60Hz |
| Common Mode Range | |
| 0dB input gain | > ±22V |
| +6db input gain | > ±7V |
| Input impedance | |
| 0dB input gain | 44kΩ |
| +6db input gain | 26kΩ |
Analog Audio Output | |
|---|---|
| Number of Outputs | 9 |
| Connector | 3 pin removable terminal strips |
| Output step gain | 0, 3.5 or 9.5dB (configurable with jumpers) |
| Max. output level | +28dBu across hi-impedance load +24dBu into 600Ω load |
| Output Impedance | 66Ω |
| Freq. Response | ±0.03dB 20Hz to 20kHz |
| THD+N | 0.001% 20Hz to 20kHz @ 28dBu, unweighted RMS |
| Output Isolation | > 100dB @ 1kHz, 100dB @ 20kHz |
Electrical | |
|---|---|
| Voltage | +12V DC |
| Power | 3.6 Watts |
| EMI/RFI | Complies with FCC Part 15, Class A EU EMC Directive |
Physical | |
|---|---|
| Number of Slots | 1 |