Increment Overdrive

Based on the Barber FWW Plus· 1 other board clones it

From the vendor

Controls

• Level

• Tone

• Gain

• Bass (Toggle switch)

• High (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 16
R1	1M	1M	Resistor, 1/4W
R2	10K	10k	Resistor, 1/4W
R3	1M	1M	Resistor, 1/4W
R4	1K	1k	Resistor, 1/4W
R5	10K	10k	Resistor, 1/4W
R6	10K	10k	Resistor, 1/4W
R7	20K	20k	Resistor, 1/4W
R8	10K	10k	Resistor, 1/4W
R9	18K	18k	Resistor, 1/4W
R10	3K	3k	Resistor, 1/4W
R11	6K2	6.2k	Resistor, 1/4W
R12	22K	22k	Resistor, 1/4W
R100	91R	91	Resistor, 1/4W
R101	10K	10k	Resistor, 1/4W
R102	10K	10k	Resistor, 1/4W
CLR	4K7	4.7k	Resistor, 1/4W	* LED current limiting resistor
Capacitors 9
C1	47n	47n	Film capacitor, 7.2 x 2.5mm
C2	56n	56n	Film capacitor, 7.2 x 2.5mm
C3	100p	100p	Ceramic capacitor
C4	82n	82n	Film capacitor, 7.2 x 2.5mm
C5	2n2	2.2n	Film capacitor, 7.2 x 2.5mm
C6	1u	1u	Film capacitor, 7.2 x 5.0mm
C7	47n	47n	Film capacitor, 7.2 x 2.5mm
C100	100u	100u	Electrolytic capacitor, 5mm
C101	47u	47u	Electrolytic capacitor, 5mm
Diodes 5
D1	1N4148	1N4148	Signal diode, DO-35
D2	2D503B	2D503B	Signal diode, DO-35	[Link]
D3	1N4148	1N4148	Signal diode, DO-35
D4	2D503B	2D503B	Signal diode, DO-35	[Link]
D100	1N5817	1N5817	Schottky diode, DO-41
ICs 1
IC1	JRC072DB	JRC072DB	Dual op-amp, DIP8
Potentiometers 3
LEVEL	A100K	A100k	16mm right-angle PCB mount pot
TONE	B25K	B25k	16mm right-angle PCB mount pot
GAIN	A1M	A1M	16mm right-angle PCB mount pot
Switches 2
BASS	ON/OFF/ON	ON/OFF/ON	Toggle switch, SPDT	3-position (ON/OFF/ON)
HIGH	ON/OFF/ON	ON/OFF/ON	Toggle switch, SPDT	3-position (ON/OFF/ON)