Timmy Overdrive
The Timmy Overdrive provides a classic transparent overdrive with a huge versatility thanks to the three clipping options.Steps
Categories
Status: Active
Designators and components Step 2 of 5
COMPONENTS
PCB TIMMY OVERDRIVE DIY PCB GUITAR EFFECT
Capacitors
C1 47n 47NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C2 100p 100PF 50V CERAMIC DISC CAPACITOR
C3 39n 39NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C4 1u 1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C5 10n 10NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C6 1u 1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C7 100u 100UF 35V ELECTROLYTIC CAPACITOR 6X11MM
C8 47u 47UF 25V ELECTROLYTIC CAPACITOR 5X11MM
C9 Not mounted
IC
IC1 NJM4558 NJM4558D IC DUAL OPERATIONAL AMPLIFIER
IC Socket 8PIN IC DIP SOCKET
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 1N4148 1N4148 SWITCHING SIGNAL DIODE
D6 1N4148 1N4148 SWITCHING SIGNAL DIODE
D7 1N4148 1N4148 SWITCHING SIGNAL DIODE
D8 1N4001 1N4001 DIODE 1A 50V
Resistors
R1 2.2M 2.2M OHM 1/4W 1% METAL FILM RESISTOR
R2 510k 510k OHM 1/4W 1% METAL FILM RESISTOR
R3 3.3k 3.3K OHM 1/4W 1% METAL FILM RESISTOR
R4 3.3k 3.3K OHM 1/4W 1% METAL FILM RESISTOR
R5 1.5k 1.5k OHM 1/4W 1% METAL FILM RESISTOR
R6 3.3k 3.3K OHM 1/4W 1% METAL FILM RESISTOR
R7 3.3k 3.3K OHM 1/4W 1% METAL FILM RESISTOR
R8 10k 10K OHM 1/4W 1% METAL FILM RESISTOR
R9 10k 10K OHM 1/4W 1% METAL FILM RESISTOR
Switches
S1 SWITCH SPDT ON-OFF-ON
S2 Jumper
Potentiometers
GAIN 1M-B 1m OHM LIN POTENTIOMETER
VOL 10k-A 10K OHM LOG POTENTIOMETER
TONE 50k-B 50K OHM LIN POTENTIOMETER
BASS 50k-B 50K OHM LIN POTENTIOMETER
SCHEMATIC
PCB
