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Koch 63’ OD Pre Amp Pedal USED

Koch 63’ OD Pre Amp Pedal USED

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Koch 63’ OD Pre Amp Pedal

Koch's tube-powered guitar preamp with classic vintage overdrive, OD Boost, and maximum functionality!

The 63'OD guitar preamp is as much at home in your rehearsal room as it is in the studio or on stage. Whether used as a stand-alone preamp, or in conjunction with your pedalboard, your guitar signal can be routed to any amplification device, recording or mixing console as well as to any monitor system you use.

The 63'OD has two independent channels (Clean & Overdrive) which share a 3 band EQ, plus a Boost switch for higher gain. The Clean channel is focused on clarity and full-frequency response to accurately reproduce your guitar's tone. The Overdrive channel fills in your clean tone with the thick tube-driven mids and saturation that made legends out of guitar slingers in the 60s and 70s. The Boost switch takes those great blues/rock tones to the next level for solos or just a heavier drive!

The Koch 63'OD also features both pre and post FX loops for adding tone shaping pedals before the pre-amp, and modulating pedals after the pre-amp. There is a 9VDC output that can power those additional pedals up to 200 mA, and is fully protected against short-circuiting. The remote control input can be used with midi switchers or other external switching devices. Finally, there is a balanced XLR DI output with line level signal, speaker-emulation and ground-lift for connection to recording or mixing consoles, and a 1/4" output with switch-able levels for connection to any type of amp or monitor. Both outputs can be used simultaneously.

The Koch 63'OD is the perfect tube powered preamp for rehearsal, recording, touring and fly-ins where you need to take 'your sound' with you. We use only the highest grade components for the best sound and reliability, plus we have housed the 63'OD in a heavy duty, yet light weight aluminum housing.


One 12AX7 Preamp tube

Tube operating Voltage 285VDC

Clean Channel with Volume control

Overdrive Channel with Gain and Volume controls

Silent (clickless) switches for Clean/Overdrive and OD Boost ​(with LED on/off Indicators)

Shared 3-Band EQ section

Non-buffered Pre-FX Loop

Fully buffered Post-FX Loop

Monitor Output with (OdbV) for Power Amp, (-10 dbV) to FX return ​and (re-amp) to Clean Channel input

Balanced XLR DI REC/PA Output with speaker-emulation

Remote Control Input (for midi switcher or external switching)

9VDC/200mA power supply output (not included)

Dimensions: 13.2 cm w x 20.5 cm d x 6.4 cm h

Weight 1.2 kg

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