Windmiller Preamp

An effect pedal that recreates the Grampian Reverberation Unit Type 636 Pete Townshend used as a saturation tool.It all started on a lazy Sunday, surfing through YouTube looking for some old footage of The Who, when we stumbled on some clips of The Who playing at the Marquee Club in 1967. Despite the raw energy of those four young men, what really caught our attention was a weird device with a flashing light sitting on top of Pete Townshend’s Marshall amps. After some research we found out that between ‘66 and ‘67, Pete Townshend had several Grampian 636 Spring Reverb units in his arsenal and he used them as a saturation tool, cranking his Marshall amps to the limit to get his groundbreaking tone.As it is quoted on an interview in 1967:“I use a Granpiene [sic] reverb unit for distortion; it gives a kind of clear fuzz dirge. I like a slightly broken guitar sound.”Even though it was intended as a studio reverb unit, Pete used the built-in preamp of the 636 to fatten his tone and boost th