Thursday, 2 February 2012
Keeley Fuzz Head
I haven't seen any layouts of this one around so thought it would be good to add to the collection. I have done this with a 3 position switch so in one position you'll have silicon diodes, in the other postion you'll have germanium, and in the centre off position it will remove all clipping diodes from the circuit.
With external pregain pot to bias the AC127:
With pregain trimmer on board: