Akashic Guitar effects PCB lookup
VOLUMETONEDRIVEBIAS (TRIMPOT)

125B · 4 knobs

PedalPCB· PCB064

SuperNuva

Category
Distortion
Controls
Volume · Tone · Drive · Bias (trimpot)
Price
$8.00out of stock
Tags
125B, 125B 3-Knob (Type 1)

From the vendor

The PedalPCB SuperNuva is a Korg NuTube 6P1 vacuum tube based overdrive pedal.

Nutube – A new vacuum tube which puts vacuum fluorescent display technology to practical use

Nutube, similar to a conventional vacuum tube, has an anode grid filament structure, and operates exactly as a triode vacuum tube. Also similar to a vacuum tube, it creates the same characteristic rich overtones.

By applying their vacuum fluorescent display technology, Noritake Itron Corp., a Noritake Co. Ltd affiliated company, have devised a structure which achieves substantial power saving, miniaturization, and quality improvements when compared with a conventional vacuum tube.

Controls

• Volume – Controls the overall output volume

• Tone – Adjusts the tone from warm to bright

• Drive – Controls the amount of overdrive

• Bias (trimpot) – Sets the Nutube bias current

Specifications

• Utilizes the Korg NuTube 6P1

• 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 34 rows

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RefValueNormalizedTypeNotes
Resistors 15
R12M22.2M
R210K10k
R31K1k
R41K1k
R51M1M
R620K20k
R84K74.7k
R94747
R1610K10k
R1710K10k
R184K74.7k
R20150150
R221M1M
R231M1M
R2410K10k
Capacitors 10
C1100n100n
C31n1n
C4100n100n
C5100n100n
C6220n220n
C910u10u
C10100u100u
C11100u100u
C12100u100u
C1310u10u
Diodes 1
D41N58171N5817
Transistors 2
Q12N39042N3904
Q22N39042N3904
ICs 2
IC1TL072TL072
IC2L78L33L78L33
Potentiometers 4
VOLUMEB100KB100kPotentiometer
TONEB1KB1kPotentiometer
DRIVEB100KB100kPotentiometer
BIAS10K10kPotentiometer