Tone Bender mk1 no transistors

Doom Bender 4 knob prototype

Elka Dizzytone

Tone Bender mk1 no transistors

Doom Bender deluxe no transistors

Elka Dizzytone Phenolic board no transistors

Zonk Machine Phenolic board no transistors

Doombender Phenolic Board

Tonebender pro mk2 (no transistors)

Tonebender mk1 and Rangemaster with blend (no Transistors)

Russian Bass Booster

Maestro FZ-1 Turret Board (no transistors)

tonebender mk1 turret board (no transistors)