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One Control Crimson Red Bass Preamp OC-CRBP

One Control

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One Control Crimson Red Bass Preamp OC-CRBP

The CRIMSON RED BASS PREAMP was designed to reproduce the iconic old school 60s / 70s electric bass sound by giving the bottom end a boost at an extremely low distortion level.


Input impedance: 650K

Output impedance: 25K

Drive voltage: 9V~15V

Current consumption: 1mA @ 9V

S/N ratio: -80dBm

Size: 39Wx100Dx31H mm (excluding protruding parts)

47Wx100Dx46H mm (including protruding parts)

Weight: Approx. 160 grams

True-Bypass Switching

High Quality Aluminum Enclosure

Power: 9V Battery or Standard DC Power Supply

Bjorn's Description

The CRIMSON RED BASS PREAMP allows us to relive the sounds of bass amplification before extreme clarity, thanks to 400W amps and tweeters, was a thing in the bass world. The CRB reproduces the sound similar to a single 15" or 18" setup.

CRB allows you to control 3 main characteristics:

Volume: Output volume

Brilliance: Bandwidth control. At maximum, treble can pass. Whereas at the most counter-clockwise position, only bass is amplified.

Gain: Boost control.

The CRIMSON RED BASS PREAMP can be used as a preamp to modern bass amplification setups while bringing back that old school feel of a 60s upright bass and 70s electric bass.

- Bjorn Juhl