Akashic Guitar effects circuit lookup
BOOST

Enclosure not stated · 1 knob

Tagboard Effects

EHX Screaming BirdVerified

Based on the Electro-Harmonix Screaming Bird· 3 other boards clone it

Category
Boost
Controls
Boost
Build
Vero
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Booster, Electro Harmonix

From the post

Request. This layout is based on the schematic for the original Screaming Bird and as such some of the values are a bit unusual today. Try 2n2 for input and output caps, and 47K and 470K for base resistors.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 8 rows

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RefValueNormalizedTypeNotes
Resistors 4
×110K10kread from the layout by eye
×1430K430kread from the layout by eye
×143K43kread from the layout by eye
×1390R390read from the layout by eye
Capacitors 2
×22n2nread from the layout by eye
×147u47uelectrolytic; read from the layout by eye
Transistors 1
Q12N50882N5088Q1 was 2N5133 which will be hard to source, so try 2N5088 as a replacement; read from the layout by eye
Potentiometers 1
BoostB100KB100kPotentiometerread from the layout by eye

Other boards based on the Electro-Harmonix Screaming Bird