USSR
Ltava Fuzz Wah – modified
The fuzz and wah section of Ltava Fuzz/Vibrato/Wah multi effects pedal manufactured in Ukraine in the early 80s. The LFO section was left out simply because the layout would be too big. The internal trimpots is taken out on the outside for external gain controls. And a onboard voltage inverter was added. Schematic: … Read more
PE-12 Elektronika Venta Overdrive
An old Soviet overdrive/distortion with some interesting features. The layout is modified and modernized to use three dual 8 pin op amps instead of 14 pin single op amps that was used in the original pedal.
Poltava Fuzz Wah sans LFO
Another crazy USSR Fuzz Wah. As with Spektr 1 the LFO section is omitted. Fuzz circuit Wah circuit
Vita Fuzz
Fuzz Face derivate with a Big Muff style tonestack manufactured in Riga, Latvia in the late 70’s. Originals has a foot controlled treadle which adjusting volume. I subbed 30k resistor connecting to collector of Q2 with a 50k trimpot for fine tuning bias. Unverified
Spektr 1 Fuzz Wah sans LFO
Lot’s of love for old soviet circuits here lately, find it very interesting since sometimes the designers started from scratch with no input from the oustide world resulting in some quite unique designs. Here is a gnarly beast, Spektr -1 fuzz Wah. I omitted the LFO section connecting to Wah circuit since it needs a … Read more