Purple Plexi 800
The Purple Plexi is a powerful distortion pedal that captures the iconic Plexi-style amp tone. Its highly dynamic and touch-sensitive distortion makes it perfect for rock music.Steps
Categories
Status: Active
Designators and components Step 2 of 5
PCB DESIGNATORS
The original gain and volume controls have almost binary responses. Use the following component list for an improved version.
PCB
PCB PURPLE PLEXI 800 DIY PCB
Capacitors
C1 390p 390PF 50V CERAMIC DISC CAPACITOR
C2 4.7n 4.7NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C3 100n 100NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C4 47u 47UF 50V ELECTROLYTIC CAPACITOR 6X11MM
C5 47u 47UF 50V ELECTROLYTIC CAPACITOR 6X11MM
C6 4.7n 4.7NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C7 100n 100NF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
IC
IC1 LM386 LM386 AUDIO AMPLIFIER IC
(Socket 8 PIN DIP IC SOCKET)
Resistors
R1 2.2M 2.2M OHM 1/4W 1% METAL FILM RESISTOR
R2 10 10 OHM 1/4W 1% METAL FILM RESISTOR
R3 10 10 OHM 1/4W 1% METAL FILM RESISTOR
R4 470 470 OHM 1/4W 1% METAL FILM RESISTOR
R5 4.7k 4.7K OHM 1/4W 1% METAL FILM RESISTOR
R6 1.8k 1.8K OHM 1/4W 1% METAL FILM RESISTOR
R7 4.7k 4.7K OHM 1/4W 1% METAL FILM RESISTOR
R8 47k 47K OHM 1/4W 1% METAL FILM RESISTOR
Potentiometers
VOL 100K-A 100K OHM LOG POTENTIOMETER
FREQ 5K-B 5K OHM LINEAR POTENTIOMETER
GAIN 1K-C 1K OHM ANTI-LOG POTENTIOMETER
ORIGINAL COMPONENTS
Use the following components for the original version.
R8 330 330 OHM 1/4W 1% METAL FILM RESISTOR
VOL 100K-B 100K OHM LINEAR POTENTIOMETER
GAIN 1K-B 1K OHM LINEAR POTENTIOMETER
PCB
SCHEMATIC
