Marshall Supa Fuzz - Here is a Vox Tone Bender Professional MKII from 1967. This pedal is a Marshall Supa Fuzz in a different case, the circuit is identical. | Facebook
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Vox Tone Bender Professional MKII - Fuzzboxes
Retro-Tone Junkie: '68 Vox Tone Bender
Vox Tone Bender Fuzz V829 sold at Mother Of All guitar shop artmusicden.com