Underminer Sub-Octave Synthesizer

Category: Fuzz· OD / Distortion / Fuzz
Controls: Volume · Filter · Blend · Glitch (Toggle switch) · 2-Down (Toggle switch)
Price: $10.00in stock
Tags: 125B

From the vendor

Controls

• Volume

• Filter

• Blend

• Glitch (Toggle switch)

• 2-Down (Toggle switch)

Specifications

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

Documentation

The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Ref	Value	Normalized	Type	Notes
Resistors 11
R1	6K8	6.8k	Resistor, 1/4W
R2	1M	1M	Resistor, 1/4W
R3	470R	470	Resistor, 1/4W
R4	5K6	5.6k	Resistor, 1/4W
R5	1M	1M	Resistor, 1/4W
R6	1K	1k	Resistor, 1/4W
R7	3K9	3.9k	Resistor, 1/4W
R8	39K	39k	Resistor, 1/4W
R9	39K	39k	Resistor, 1/4W
R10	1M	1M	Resistor, 1/4W
R100	4K7	4.7k	Resistor, 1/4W
Capacitors 12
C1	10n	10n	Film capacitor, 7.2 x 2.5mm
C2	100n	100n	Film capacitor, 7.2 x 2.5mm
C3	100n	100n	Film capacitor, 7.2 x 2.5mm
C4	47u	47u	Electrolytic capacitor, 5mm
C5	100n	100n	Film capacitor, 7.2 x 2.5mm
C6	100n	100n	Film capacitor, 7.2 x 2.5mm
C7	470n	470n	Film capacitor, 7.2 x 5.0mm
C8	100n	100n	Film capacitor, 7.2 x 2.5mm
C9	3n3	3.3n	Film capacitor, 7.2 x 2.5mm
C10	10n	10n	Film capacitor, 7.2 x 2.5mm
C11	100n	100n	Film capacitor, 7.2 x 2.5mm
C100	100u	100u	Electrolytic capacitor, 5mm
Diodes 1
D100	1N5817	1N5817	Schottky diode, DO-41
Transistors 2
Q1	2N5088	2N5088	BJT transistor, NPN	TO-92
Q2	MPSA14	MPSA14	BJT darlington transistor, NPN	TO-92
ICs 1
IC1	CD4046	CD4046	Phase Locked Loop IC (PLL)	DIP16
Potentiometers 3
VOLUME	A100K	A100k	16mm right-angle PCB mount pot	100K, Audio Taper (A)
FILTER	B100K	B100k	16mm right-angle PCB mount pot	100K, Linear Taper (B)
BLEND	B50K	B50k	16mm right-angle PCB mount pot	50K, Linear Taper (B)
Switches 2
GLITCH	ON/ON	ON/ON	Toggle switch, SPDT	2-position (ON/ON)
2DOWN	ON/ON	ON/ON	Toggle switch, SPDT	2-position (ON/ON)