Irrlicht Overdrive

Based on the EQD White Light· 2 other boards clone it

From the vendor

Controls

• Gain

• Weight

• Level

• Compression (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	2M2	2.2M	Resistor, 1/4W
R2	3K3	3.3k	Resistor, 1/4W
R3	10K	10k	Resistor, 1/4W
R4	475K	475k	Resistor, 1/4W
R5	3K3	3.3k	Resistor, 1/4W
R6	1K	1k	Resistor, 1/4W
R7	10K	10k	Resistor, 1/4W
R8	10K	10k	Resistor, 1/4W
R100	4K7	4.7k	Resistor, 1/4W
R101	10K	10k	Resistor, 1/4W
R102	10K	10k	Resistor, 1/4W
Capacitors 9
C1	47n	47n	Film capacitor, 7.2 x 2.5mm
C2	100p	100p	Ceramic capacitor
C3	1u	1u	Electrolytic capacitor, 5mm
C4	22n	22n	Film capacitor, 7.2 x 2.5mm
C5	4u7	4.7u	Electrolytic capacitor, 5mm
C6	1n	1n	Film capacitor, 7.2 x 2.5mm
C7	2n2	2.2n	Film capacitor, 7.2 x 2.5mm
C100	100u	100u	Electrolytic capacitor, 5mm
C101	10u	10u	Electrolytic capacitor, 5mm
Diodes 8
D1	1N4148	1N4148	Signal diode, DO-35
D2	1N4148	1N4148	Signal diode, DO-35
D3	1N4148	1N4148	Signal diode, DO-35
D4	1N60	1N60	Germanium diode
D5	1N60	1N60	Germanium diode
D6	1N60	1N60	Germanium diode
D7	1N60	1N60	Germanium diode
D100	1N5817	1N5817	Schottky diode, DO-41
ICs 1
IC1	LM833N	LM833N	Single op-amp, DIP8
Potentiometers 3
LEVEL	A100K	A100k	16mm right-angle PCB mount pot
GAIN	A1M	A1M	16mm right-angle PCB mount pot
WEIGHT	B25K	B25k	16mm right-angle PCB mount pot
Switches 1
COMP	SPDT	SPDT	Toggle switch, SPDT	2-position (ON/ON)