EQ
Holmes H-X6 Spectrum
A rare and versitale old 3-band eq pedal with High Pass, Band Pass and Resonance controls. Schematic is avaiable at DeadendFx
Mesa Boogie 5 Band Gyrator Eq
A DIY adaption of a Mesa Boogie 5 band eq found in many Mesa Boogie amps. Original tonestack has inductors but is is changed to op amp gyrators. This design was created by Cameron (thanks!) and layouts is verified by AlexS(thanks again, mate!)
