The bass preamp of legends. Handmade by Dave Boonshaft himself circa 1995, I have yet to find another bass pre that rivals the tone, flexibility and features of this particular unit. This unit is in perfect working condition and has spent its entire life in a studio rack. Minor rack rash, but nothing that affects the overall performance. Don’t sleep on this beauty, they don’t come around too often and for good reason.
Comes with original footswitch.
The Aguilar DB 680 is a hand-made, 2-space rackmount all-tube bass preamp built in New York City, famous for its warm, studio-grade tone and heavy-duty steel chassis.
Specifications & Design
- Tube Complement: 5 vacuum tubes total—two 12AX7A/7025 high-mu twin triodes and three 12AU7 medium-mu twin triodes (driving 10 total tube gain stages).
- Chassis & Build: 2-rack-space steel chassis weighing 17 lbs, hand-made in NYC.
- Signal-to-Noise Ratio: -80 dB.
- Warranty: 10 years on the unit (1 year on the tubes). [1, 2, 3]
Control & Tone-Shaping Features
- Dual Parametric EQs: Two serially arranged active parametric equalizers (± 12 dB) with variable frequency and Q (bandwidth) controls:
- Low-mid EQ: Variable from 180 Hz to 1.2 kHz.
- High-mid/treble EQ: Variable from 1.3 kHz to 7.5 kHz. [1, 2]
- Tube Shelving EQ: Fixed 40 Hz bass and 4 kHz treble shelving controls. [1]
- Additional Circuitry: Tube-driven resonance circuit, bright switch, and a tube-buffered parallel effects loop. [1, 2, 3]
- Live & Studio I/O:
- Jensen output transformer with variable balanced XLR outputs.
- -40 dB pre- and post-EQ direct outputs for mixing consoles.
- Built-in crossover section and footswitchable inputs/master mute (keeping the tuner output active for silent tuning). [1, 2, 3]
| Listed | 4 hours ago |
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| Condition | Excellent (Used) Excellent items are almost entirely free from blemishes and other visual defects and have been played or used with the utmost care.Learn more |
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