diy build of the Jext Telex White Pedal (see pedal pcb - conqueror fuzz).
"Based on the fuzz tone the Beatles used for guitar parts (among other instruments) on the classic tracks on the White Album and others. The Rolling Stones also used the same fuzz tone for “Sympathy for the Devil, Brown Sugar, Honky Tonk Women,” etc.
In an era where there were very few effect pedals, this particular fuzz tone was a feature of the early solid state Vox Supreme, Defiant, Conqueror and Virtuoso amplifiers. These amps came with a Fuzz/OD and semi-parked Wah (cocked Wah) built into the amp. The Jext Telez White Pedal utilizes an inductor in the circuit to produce these tones, just as the vintage amplifiers did."