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Please note: This is a kit and requires assembly.
Get ready for the bright lights of the colosseum!
We've taken our rock-solid RAT clone, squeezed it into a Eurorack module and added CV control over Gain. The 308 will take your playing to new heights with tremolo and other distortion modulation techniques.
Features:
- 3 controls - Tone, Filter, and Drive - to customize your tone. Tone sets the brightness level, Filter dials in the high frequency response, and Drive determines the signal gain.
- 4 Diode Settings - An on-board 4PST DIP Switch selects between 4 different clipping diodes to drastically alter your sound. Turn on the stock version 1N4148s, LEDs, Germanium diodes, or none at all with flick of a little switch.
- Vintage Tone - The PCB is designed from the original RAT tone IC, the LM308 single op amp.
- Control Voltage (CV) Input
- Guitar AND Modular - Adjust the input impedance with a trim pot.
- 4hp
- Current draw: >10mA on the +12V rail
SDR Convert
2025-05-10 16:49:12
I'm an avid Synthrotek kit builder and have enjoyed making all the kits including this one. But, honestly, the 308 Distortion is a little disappointing. The distortion is very subtle as is the filter. Maybe in a guitar rig this might be OK, but for Eurorack, it is a little soft. There are two sets of diodes that can be switched to mix/match your taste. If you are looking for heavy distortion, this is not for you. If you like a subtle wave folding and some light filtering, go for it!
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