Akashic Guitar effects PCB lookup
VOLUMEGAINBASSTREBLEGAIN RANGEMODE

125B · 6 knobs

PedalPCB· PCB021

Tommy III

Based on the Paul Cochrane Timmy V3· 1 other board clones it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Gain · Bass · Treble · Gain Range · Mode
Price
$12.00out of stock
Tags
125B

From the vendor

New Version for 2020

• Conventional Bass and Treble controls

• Gain Range toggle switch

• Internal Symmetrical / Asymmetrical clipping switch

Overview

The Tommy is inspired by one of the original boutique pedals that kick started the pedal craze. From clean boost to light overdrive, this little beauty can be an always-on tone shaper or used to boost an amp into overdrive.

Controls

• Volume – Control the amount of output signal

• Gain – Control the amount of signal gain

• Bass – Adjusts the level of bass frequency cut

• Treble – Adjusts the level of treble frequency cut

• Gain Range (Toggle) – Shifts the range of gain available with the Gain control

• Mode (Internal switch) – Toggles between Symmetrical / Asymmetrical clipping

Specifications

• Designed for a 125B enclosure with top-mounted jacks

Documentation

Schematic

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

Parts list 36 rows

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RefValueNormalizedTypeNotes
Resistors 13
R11M1M
R21M1M
R33K33.3k
R43K33.3k
R518K18k
R63K33.3k
R73K33.3k
R88K28.2k
R910K10k
R104K74.7k
R112K22.2k
R12360R360
R132K22.2k
Capacitors 11
C139n39n
C2100p100p
C339n39n
C4820n820n
C56n86.8n
C6820n820n
C747u47u
C847u47u
C9220n220n
C10100p100p
C116n86.8n
Diodes 5
D11N41481N4148
D21N41481N4148
D31N41481N4148
D41N41481N4148
D71N58171N5817
ICs 1
IC1LM1458NLM1458N
Potentiometers 4
VOLA25KA25kPotentiometer
GAINA500KA500kPotentiometer
BASSC50KC50kPotentiometer
TREBLEC50KC50kPotentiometer
Switches 2
SW1SPDTSPDT
SW2DPDTDPDT

Other boards based on the Paul Cochrane Timmy V3