Evertz 7700ADA-AUD Balanced Analog Audio Distribution Amplifier
In stock
Features
- Differential and single ended input (automatic single ended to differential conversion)
- Configurable for stereo (2-1×4) or mono (1×8)
- High impedance input
- Low impedance outputs
- Wide gain adjustment range
- High common mode range and common mode rejection ratio (CMRR)
- Very high SNR
- Very low THD+N
- Card Edge LEDs
- Module status/Local fault
The 7700ADA-AUD Dual Analog Audio Distribution Amplifier is a general purpose amplifier for distributing analog audio signals. It can be operated as two independent 4-output amplifiers for stereo signals, or as a single amplifier with eight outputs where higher fanout is required.
The 7700ADA-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.
Analog Audio Input
Standards
- Any analog audio signal
Number of Inputs
- 2 (Balanced or Single ended)
Connectors
- 3-pin removable terminal strips
Input Step Gain
- 0dB or +6.5dB (configurable with jumpers)
Fine Gain Control
- -6.5dB to +9.5dB (card edge pot adjustable)
0dB Input Gain
- +34dBu
+6.5dB Input Gain
- +28dBu
Noise Floor
- -87dBu (0dB input gain), -91dBu (+6.5dB input gain jumper setup)
Common Mode Rejection
- 115dB @ 60Hz, 90dB @ 20kHz (tested with +28dBu CM input)
0dB Input Gain
- ±22V
+6.5dB Input Gain
- ±7V
Input impedance
- 0dB gain 33kΩ
- +6.5dB gain 18kΩ
Analog Audio Outputs
Stereo Mode
- 4 outputs each on left and right channels
Mono Mode
- 8 outputs
Connectors
- 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
- +24dBm into 600Ω load
Output Impedance
- 66Ω
Frequency Response
- ±0.02dB 20Hz to 20kHz
Stereo Phase Mismatch
- < 1°@ 20kHz
0dB Input Gain
- 115dB
+6.5dB Input Gain
- 119dB
THD+ Noise
- 0.001% 20Hz to 20kHz @ 28dBu, unweighted RMS, Hi-Z load
- 0.01% with 600Ω up to 24dBm
Intermodulation Distortion
- 0.001% – SMPTE @ 18dBu
Stereo Crosstalk
- 115dB @ 1kHz, > 93dB @ 20kHz
Output Isolation
110dB @ 1kHz, 100dB @ 20kHz
Electrical
Voltage
- +12V DC
Power
- 12 watts
EMI/RFI
- Complies with FCC Part 15, Class A, EU EMC Directive
Physical
Number of Slots
- 1
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