#roller pedal

breakfast audio - concrete fuzz V2

"The Concrete Fuzz V2 is a doomy fuzz based on the dam meathead topology.

V2 takes the filter tone knob setting from V1 and applies it to two different bias settings on the second transistor which is selectable by the side switch. Both selections provide a range of tones from stoner doom crunchiness and washed out blooms of fuzz with the bias differing between brightness and bass levels. 

Designed with full guitar volume in mind and a driven amp clean tone."

Maestro collection

Atlant - Multieffects unit

" Soviet heavyweight multieffect unit. A true Soviet design, you could probably kill with this one - it weighs 5.9kg. While many durable stompbox reviews usually state "you could probably run a tank over it", this time it's for real. All the knobs and switches are made to withstand a nuclear explosion.

The control pedals are Wha and Volume, in the upper row the knobs are labelled (left to right) Wha, Effect and Fuzz-Organ. On the right you have two potentiometers that you can rotate with your foot, with the upper labelled "sensitivity" and the lower - "Fuzz-Organ".

The last picture shows a rear panel, we still need to identify which secret military plant made this bomb. "

Pedal Tree - The Vibe of the Rolling Pin

"Schaller Style Tremolo with Speed ​​control roll"

MAESTRO - Parametric Filter

"Repairs were: New battery-clip, new pushpins on battery holder, one foot was missing and I made a new one with the 3D printer (almost Identical) and the rubber on the foot-turn swich is not original."

Black Mountain - Volume Pedal

roller volume pedal

"Half the Size of a Standard Volume Pedal!"

EKO - Multitone + EKO Crescendo volume pedal

Strepitoso: Wah Wah Treble/Bass Booster: Tone Shaper Distortion: '60s Sounding Fuzz Repeat Percussion: Unique Sounding Tremolo

"

Apparently it's the firt multi-effect ever. It has Wah (called Strepitoso in italian), Treble/Bass Booster, Distortion and Repeat (percussion tremolo). So I traced the 4 different circuits, you can find attached the schematics and some pics. FS33805 are npn BJT with 1:C 2:B 3:E pinout. I tested one and hfe was 216. BC208 is apparently an equivalent and if i'm not mistaken 2n3904 could do the job. 4JD5E44 is a UJT (maybe equivalent to 2n2646 ?)"

BMC electronic - Voltage Controlled Filter model AWE-20

s. more roller pedals