Akashic Guitar effects PCB lookup
ATTACKLEVEL

Enclosure not stated · 2 knobs

GuitarPCB

P.U.T.B.

Category
Fuzz
Controls
Attack · Level
Price
$8.95in stock

From the vendor

The Best Tonebender PCB with a Modern Twist. Works with other negative-ground pedals.

Description

This is the Classic Tonebender with a modern twist. Pump’d Up means you can use this circuit with other negative-ground pedals. Since the power section has no effect on the Audio Path, utilizing a Charge Pump to invert to a modern negative ground circuit will not affect the tone of an original Tonebender. This will allow you to daisy chain or use it in a combo build.

Because many old PNP fuzz pedals tend to be positive-ground circuits, they must have a separate power supply from the rest of your effects in a chain. To overcome this limitation, a charge pump chip has been integrated to invert the power to a negative ground circuit allowing it to be powered by the same source as all of your other effects with ZERO effect on tone!

PUTB Pump’d Up ToneBender Build Document

Note: You may also use TC1044SCPA or TC1044SEPA Charge Pumps. As long a the “S” is after the 1044.

See video below demonstrating three of our popular Pump’d Up circuits with PUTB at the end.

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 12 rows

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RefValueNormalizedTypeNotes
Resistors 5
R22100K100kOCR
R4100K100kOCR
R5100K100kOCR
R9470R470OCR
R71M1MOCR
Capacitors 4
C5100n100nOCR
C6220p220pOCR
C110n10nOCR
C1110u10uOCR
Diodes 1
D11n58171N5817OCR
Potentiometers 2
ATTACKB1KB1kPotentiometerOCR
LEVELA100KA100kPotentiometerOCR