Great Eastern FX Co.
Distortion Filter D312A
Distortion Filter D312A
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Pedal Features
Pedal Features
● Classic hard-clipping distortion with Gain and Level controls
● Analogue band-pass filter with Frequency and Depth controls
● Contains 3 x D312A Soviet-era germanium pulse diodes
● Limited edition of 165 only
● Designed and built by hand in the UK
Size: 125 x 94 x 55 mm (4.9 x 3.7 x 2.2 inches)
Weight: 390g (0.9lb)
Current Draw: ~10mA
Power Requirements: 9V DC mains adaptor only (not included)
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Limited-edition distortion featuring NOS germanium diodes and a built-in band-pass filter
Limited to 165 pieces, the Distortion Filter D312A combines classic hard-clipping distortion with a powerful band-pass filter. It’s the latest pedal in the Obsolete Devices series, where Great Eastern FX grab some weird and wonderful vintage components from their stash and let their imaginations run wild.
The Distortion Filter is built around a trio of Soviet-era germanium pulse diodes, part number D312A. Set up for asymmetrical clipping, these unusual NOS diodes deliver complex and dynamic break-up with a uniquely expressive, almost vocal quality to the mid-range.
To enhance this even further, Great Eastern FX decided to add an analogue band-pass filter. With controls for not just Frequency but Depth, you can add subtle tone-shaping emphasis or pulverise a specific frequency into submission.
Whether you want to access classic cocked wah tones, QOTSA-style heavily filtered distortion or simply enjoy the organic dirt of these rare germanium diodes on their own, the Distortion Filter D312A delivers tons of tonal inspiration.