Friday, January 25, 2013

DOD FX50 Overdrive Preamp

Here's DOD's step up from OD250 - from around '82.

On the original unit, the chip used is TL022, which is low power dual opamp - But the other half doesn't touch the effect side at all - It's only used as a buffer for the bypassed signal. So i made the layout to house a single opamp instead. TL061 is low power single opamp from the same family of chips - so i believe it should sound pretty close to the original.




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