Akashic Guitar effects PCB lookup
BASSTREBLEPRESENCEVOLUMEGAINTIGHT

125B · 6 knobs

PedalPCB· PCB001

Thermionic Distortion

Category
Distortion
Controls
Bass · Treble · Presence · Volume · Gain · Tight
Price
$10.00in stock
Tags
125B, 125B 6-Knob (Type 1)

From the vendor

PedalPCB Thermionic Distortion

The Thermionic Distortion provides searing British-flavored high gain tones through any amp.

Pedalboard friendly design, 125B footprint with top-mounted jacks.

Controls

• Bass – Controls the bass frequencies

• Treble – Controls the treble frequencies

• Presence – Controls the upper mid-range frequencies

• Volume – Controls the output volume

• Gain – Controls the amount of gain

• Tight – Controls the pre-gain low end frequencies

Specifications

• Updated layout using 1/4W resistors

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

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 62 rows

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RefValueNormalizedTypeNotes
Resistors 23
R11M1M
R2470K470k
R310K10k
R422K22k
R539K39k
R74.7K4.7k
R810K10k
R922K22k
R1022K22k
R1122K22k
R1222K22k
R13220K220k
R1410K10k
R1510K10k
R182.2K2.2k
R1933K33k
R2033K33k
R2110K10k
R3010Ω10
R314.7K4.7k
R3210K10k
R3310K10k
R342K22.2k
Capacitors 20
C122n22n
C247p47p
C310n10n
C41n1n
C5100n100n
C6100n100n
C7100n100n
C8100n100n
C947p47p
C10100n100n
C1147n47n
C12120p120p
C13100p100p
C1410n10n
C154.7n4.7n
C1622n22n
C17220n220n
C18220n220n
C20100u100u
C2522u22u
Diodes 5
D11N58171N5817
D21N41481N4148
D31N41481N4148
D41N41481N4148
D51N41481N4148
ICs 3
IC1TL072TL072
IC2TL072TL072
IC3TL072TL072
Potentiometers 5
GAINB1MB1MPotentiometer
BASSC100KC100kPotentiometer
TIGHTC100KC100kPotentiometer
TREBLEB100KB100kPotentiometer
VOLUMEA50KA50kPotentiometer
Trimmers 1
TRIM100K100kTrimmer
LEDs 5
LED13mm3MM
LED23mm3MM
LED33mm3MM
LED43mm3MM
LED53mm3MM