• 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.

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Listeda year ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
Brand
Model
  • 8306 – 6-Channel Reference Class-A Microphone Preamplifier
Categories
Year
  • 2000
Made In
  • United States

Product safety information may be available here.

About the seller

Apollo Audio

Dietikon, Switzerland
Joined Reverb:2019

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