Amp Eleven

This pedal provides a classic overdriven tube amp tone with an extra gain booster.

For the schematics and further information, check the instructions of each project OD Eleven, COT 50 and 1590BB PCB.

OD ELEVEN COMPONENTS (OD Eleven)

Diodes
D1 1N4148   1N4148 SWITCHING SIGNAL DIODE
D2 1N4148   1N4148 SWITCHING SIGNAL DIODE
D3 1N4148   1N4148 SWITCHING SIGNAL DIODE
D4 1N4148   1N4148 SWITCHING SIGNAL DIODE
D5 Not mounted
D6 Not mounted
D7 Not mounted
D8 Not mounted

Switches
S1 Not mounted
S2 Not mounted

Potentiometers
GAIN 500K-B   500K OHM LIN POTENTIOMETER
VOL 10k-B   10K OHM LIN POTENTIOMETER
TONE 5k-B   5K OHM LIN POTENTIOMETER
BASS 50k-B   50K OHM LIN POTENTIOMETER

COT 50 COMPONENTS (COT 50)

PCB COT50 DIY PCB

Resistors
R1   1M   1M OHM 1/4W 1% METAL FILM RESISTOR
R2   2.2M 2.2M OHM 1/4W 1% METAL FILM RESISTOR
R3   3.3k   3.3K OHM 1/4W 1% METAL FILM RESISTOR
R4   47 47 OHM 1/4W 1% METAL FILM RESISTOR
R5 330 330 OHM 1/4W 1% METAL FILM RESISTOR

Capacitors
C1   47n 47NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C3   47u 47UF 25V ELECTROLYTIC CAPACITOR 5X11MM
C4 100n      100NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C5   47n 47NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR (Optional)

Diodes
D1 1N60   1N60 SCHOTTKY DIODE
D2 1N60   1N60 SCHOTTKY DIODE

Transistors
Q1 2N5088 2N5088 GERENAL PURPOSE TRANSISTOR

Potentiometers
GAIN 1k-B 1K OHM LINEAR TAPER POTENTIOMETER

1590BB PCB COMPONENTS (1590BB PCB)