Akashic Guitar effects PCB lookup
VOLGAINBASSMIDTREBPRES

Enclosure not stated · 6 knobs

GuitarPCB

Tube Screaming Preamp v2 w/ 3 Band Active Tone Control

Controls
Vol · Gain · Bass · Mid · Treb · Pres
Price
$9.95out of stock

From the vendor

The Tube Screaming Preamp features Volume, Drive, Presence, Bass, Mid & Treble gives you control over your tone.

Description

By removing the simple passive tone control found in any Tube Screamer and inserting a Baxandall style 3 Band Active EQ along with Presence control you can now get amazing Screamer Tones never before achievable.

Furthermore you can switch guitars with just a minor tweak of the Presence control and all guitars will sound great. It makes you wonder why nobody has really tried to improve on the old passive tone in one of the most talked about guitar pedals in history. Now it is time to enjoy a Tube Screamer with Total Tone Control.

Tube Screaming Preamp Build Document

Schematic

The schematic is in the vendor's build document, page 2. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 38 rows

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RefValueNormalizedTypeNotes
Resistors 18
R12M22.2MOCR
R1210k10kOCR
R21k1kOCR
R1310k10kOCR
R3220k220kOCR
R1410k10kOCR
R44k74.7kOCR
R151k1kOCR
R51k1kOCR
R1610k10kOCR
R61k1kOCR
R1710k10kOCR
R72k22.2kOCR
R181k81.8kOCR
R83k33.3kOCR
R910k10kOCR
R102k22.2kOCR
R113k33.3kOCR
Capacitors 13
C41u1uOCR
C53n33.3nOCR
C61u1uOCR
C74n74.7nOCR
C84n74.7nOCR
C922n22nOCR
C1022n22nOCR
C111u1uOCR
C1100p100pOCR
C12100u100uOCR
C2100n100nOCR
C13100u100uOCR
C3100p100pOCR
Diodes 1
D31N58171N5817OCR
Potentiometers 6
VOLA100KA100kPotentiometerOCR
GAINB500KB500kPotentiometerOCR
BASSB50KB50kPotentiometerOCR
MIDB50KB50kPotentiometerOCR
TREBB100KB100kPotentiometerOCR
PRESB5KB5kPotentiometerOCR