Seashore Overdrive

From the vendor

Controls

• Volume

• Drive

• Treble

• Bass

• Focus

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 15
R1	10K	10k	Resistor, 1/4W
R2	1M	1M	Resistor, 1/4W
R3	1M	1M	Resistor, 1/4W
R4	27K	27k	Resistor, 1/4W
R5	27K	27k	Resistor, 1/4W
R6	100K	100k	Resistor, 1/4W
R7	560R	560	Resistor, 1/4W
R8	100R	100	Resistor, 1/4W
R9	1M	1M	Resistor, 1/4W
R10	10K	10k	Resistor, 1/4W
R11	220K	220k	Resistor, 1/4W
R12	100K	100k	Resistor, 1/4W
R13	4K7	4.7k	Resistor, 1/4W
R14	4K7	4.7k	Resistor, 1/4W
R100	4K7	4.7k	Resistor, 1/4W
Capacitors 11
C1	100n	100n	Film capacitor, 7.2 x 2.5mm
C2	47u	47u	Electrolytic capacitor, 5mm
C3	47u	47u	Electrolytic capacitor, 5mm
C4	4u7	4.7u	Electrolytic capacitor, 5mm	* Non-polarized
C5	47n	47n	Film capacitor, 7.2 x 2.5mm
C6	47n	47n	Film capacitor, 7.2 x 2.5mm
C7	100n	100n	Film capacitor, 7.2 x 2.5mm
C9	10u	10u	Electrolytic capacitor, 5mm	* Non-polarized
C10	100n	100n	Film capacitor, 7.2 x 2.5mm
C11	100n	100n	Film capacitor, 7.2 x 2.5mm
C12	10u	10u	Electrolytic capacitor, 5mm	* Non-polarized
Diodes 5
D2	1N914	1N914	Signal diode, DO-35
D3	1N914	1N914	Signal diode, DO-35
D4	1N914	1N914	Signal diode, DO-35
D5	GE	GE	Germanium diode
D100	1N5817	1N5817	Schottky diode, DO-41
Transistors 2
Q1	2N2222A	2N2222A	BJT transistor, NPN TO-18
Q2	2N2222A	2N2222A	BJT transistor, NPN TO-18
ICs 1
IC1	OPA2134	OPA2134	Dual op-amp, DIP8
Potentiometers 5
VOL	A10K	A10k	16mm right-angle PCB mount pot
DRIVE	C5K	C5k	16mm right-angle PCB mount pot
TREBLE	A100K	A100k	16mm right-angle PCB mount pot
BASS	A100K	A100k	16mm right-angle PCB mount pot
FOCUS	B100K	B100k	16mm right-angle PCB mount pot