Shred Master

The Shred Master is a classic high gain distortion pedal from the 90s. It provides a good range of gain and has three knobs to control the tone. It is a perfect distortion for playing rock or metal.
Steps
  1. Overview
  2. Designators and components
  3. PCB assembly
  4. Enclosure and wiring
  5. Enclosure drilling
Categories
DIY Projects, DIY Guitar Effects
Created by DHEA
Status: Active
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Designators and components Step 2 of 5

COMPONENT LIST 

PCB
SHRED MASTER DIY PCB GUITAR EFFECT
Capacitors        
C1     10n     10NF 0.01UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR 
C2     47n     47NF 0.047UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C3     100p   100PF 50V CERAMIC DISC CAPACITOR
C4     68n      68NF 0.068UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C6     47p      47PF 50V CERAMIC DISC CAPACITOR
C7     10u      10UF 50V 105C RADIAL ELECTROLYTIC CAPACITOR 5X11MM
C8     100n    100NF 0.1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C9     22n      22NF 0.022UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C10    220n    220NF 0.22UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C11    22n      22NF 0.022UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR 
C12    220n    220NF 0.22UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C13    2.2n      2.2NF 0.0022UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C14    100n    100NF 0.1UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C15    47n      47NF 0.047UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C16    1n       1NF 0.001UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C17    220n    220NF 0.22UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
C18    680p    680PF 50V CERAMIC DISC CAPACITOR
C19    220n    220NF 0.22UF 100V 5% POLYESTER FILM BOX TYPE CAPACITOR
Diodes        
D1    1N4148    1N4148 SWITCHING SIGNAL DIODE
D2    1N4148    1N4148 SWITCHING SIGNAL DIODE
IC        
U1    TL072    TL072 LOW NOISE J-FET DUAL OP-AMP IC
U2    TL072    TL072 LOW NOISE J-FET DUAL OP-AMP IC
(U1/U2 Socket    8 PIN DIP IC SOCKET ADAPTOR SOLDER TYPE)
Resistors        
R1    2.2M    2.2M OHM 1/4W 1% METAL FILM RESISTOR
R2    1M       1M OHM 1/4W 1% METAL FILM RESISTOR
R3    3.3k      3.3K OHM 1/4W 1% METAL FILM RESISTOR
R5    8.2k      8.2K OHM 1/4W 1% METAL FILM RESISTOR
R6    47k      47K OHM 1/4W 1% METAL FILM RESISTOR
R7    680k     680K OHM 1/4W 1% METAL FILM RESISTOR
R8    47k      47K OHM 1/4W 1% METAL FILM RESISTOR
R9    10k      10K OHM 1/4W 1% METAL FILM RESISTOR
R10    6.8k    6.8K OHM 1/4W 1% METAL FILM RESISTOR
R11    47k     47K OHM 1/4W 1% METAL FILM RESISTOR
R11b (R4)    1k     1K OHM 1/4W 1% METAL FILM RESISTOR
R12    220k   220K OHM 1/4W 1% METAL FILM RESISTOR
R13    100     100 OHM 1/4W 1% METAL FILM RESISTOR
R14    33k     33K OHM 1/4W 1% METAL FILM RESISTOR
R15    33k     33K OHM 1/4W 1% METAL FILM RESISTOR
R16    100k   100K OHM 1/4W 1% METAL FILM RESISTOR
R17    100k   100K OHM 1/4W 1% METAL FILM RESISTOR
R18    1M      1M OHM 1/4W 1% METAL FILM RESISTOR
Potentiometers        
GAIN             100k-B       100K OHM LINEAR TAPER POTENTIOMETER
VOLUME        100k-A       100K OHM LOGARITHMIC TAPER POTENTIOMETER
BASS            100k-A        100K OHM LOGARITHMIC TAPER POTENTIOMETER
CONTOUR      100k-B       100K OHM LINEAR TAPER POTENTIOMETER
TREBLE         25k-B          25K OHM LINEAR TAPER POTENTIOMETER

PCB

SCHEMATIC

Note: R4 = R11b

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