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RossGear - Analog Audio
ADA-7555 - GVG Compatible
Stereo/Mono Distribution Amplifier with Separate Output Level Controls
Ideal for situations where the distribution system must feed different signal levels to various pieces of equipment or output lines.

- Each output has a separate output level control
- Dual amplifiers, each with 4 outputs
- Mono mode provides 8 outputs
- Very low distortion
- Excellent common-mode rejection
- Wide gain range
- Low power consumption for cool, reliable operation
- 5 year transferable warranty
- Fits Ross 7550 Series and GVG 8550 Series frames
| Input | ||
| Input Impedence: | >35K Ohms, balanced | |
| Max Input Level: | +34 dBu [+30 dBm] | |
| Common Mode Rejection: | >110 dB @ 60 Hz >80 dB @ 20KHz |
|
| Outputs | ||
| Number of Stereo Outputs: | 4 (3 in GVG* 8550 Series Tray) | |
| Max Output Level: | +28 dBu [+24 dBm] | |
| Output Impedence: | 48 Ohms [600 Ohms] | |
| Output Isolation: | >70 dB | |
| Performance | ||
| S/N Ratio: | >100 dB relative to +8 dBu (unity gain) | |
| Gain Range: | -18 to +34 dB (+/-6 dB fine adjustment) | |
| Frequency Response: | +/-0.02 dB 20Hz to 20KHz | |
| Total Harmonic Distortion + Noise: | <0.0023% [0.007%] | |
| Intermodulation: | <0.002% [0.006%] (SMPTE) | |
| Crosstalk Between Amplifiers: | >100 dB | |
| Interchannel Crosstalk: | >85 dB | |
| Power Consumption | ||
| @ +8 dBu output: | 2.1 W (3.1 W) | |
All tests performed at +18 dBu and cover 20Hz to 20KHz unless otherwise specified. All measurments made with an Audio Precision System One Test set. Performance of the 600 Ohms version is similar, except where indicated.
Specifications and design are subject to change without notice.
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