GML 8306 – 6-Channel Reference Class-A Microphone Preamplifier
- Functional, all six channels clean and quiet
- Light rack rash above top screw holes
- Non-smoking private studio, never toured
What’s Included
- GML 8306 2U preamp
- GML 8355 external ±28 V PSU
- Original 5-pin DC umbilical (1 m)
Key Features / Specs
- George Massenburg design – discrete Class-A bipolar topology with DC servos
- 6 identical channels, Grayhill 12-position gain switch, 15 – 70 dB in 5 dB steps (±0.25 dB)
- Frequency response: ±0.3 dB, 1.7 Hz – 260 kHz
- CMRR: ≥ 80 dB @ 100 Hz & 10 kHz
- EIN: –126.5 dBu (150 Ω); Max output: +27.4 dBu
- Transformerless electronically balanced inputs; earth-compensated unbalanced outputs (Pin-2 hot – do not short Pin-3)
- Independent 48 V phantom switches per channel, red clip LED at +24 dBu
- Rugged external PSU can daisy-chain up to 3 GML units
- Excels as ultra-transparent front end, line-driver over 300 ft multicores, mastering capture, classical & acoustic sessions
Cosmetic Notes
- Minor rack marks (see photos)
- Slight discoloration on PSU face (purely cosmetic)
This item is sold As-Described
This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.
| Listed | a year ago |
|---|---|
| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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