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DRIVETONEVOLUME

Enclosure not stated · 3 knobs

Dirtbox Layouts

Cornish SS-2 Light Drive

Based on the Cornish SS-2· 7 other boards clone it

Category
Overdrive
Controls
Drive · Tone · Volume
Build
Vero· 18×20· 17 cuts, 7 links
Layout
Unverified · no build reported at Dirtbox Layouts yet
Tags
Cornish, Overdrive

From the post

With onboard input buffer. The original had two LM741s but these is replaced with its dual op amp equivalent 1458 to keep the board reasonably small

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.

Parts list 35 rows

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Check before you build · 4 values the reader of this layout was not sure of
  • Large electrolytic can at columns 9-11 rows L-N is printed '220nF': drawn as an electrolytic, probably a typo for 220uF, kept as printed
  • 51Ω at column 4 rows O-R: first digit partly hidden under the 22uF can, could be longer (510Ω)
  • 2,4K at column 13 rows I-K: printed clearly, unusual value
  • 91Ω (two, column 17 rows H-J and column 7 rows N-P): printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 15
×151Ω51read from the layout by eye
×291Ω91read from the layout by eye
×1100Ω100read from the layout by eye
×1510Ω510read from the layout by eye
×11K1kread from the layout by eye
×12.4K2.4kread from the layout by eye
×16.8K6.8kread from the layout by eye
×17.5K7.5kread from the layout by eye
×410K10kread from the layout by eye
×1100K100kread from the layout by eye
×2120K120kread from the layout by eye
×2150K150kread from the layout by eye
×1180K180kread from the layout by eye
×1200K200kread from the layout by eye
×61M1Mread from the layout by eye
Capacitors 13
×110pF10pread from the layout by eye
×31nF1nread from the layout by eye
×14.7nF4.7nread from the layout by eye
×410nF10nread from the layout by eye
×2100nF100nread from the layout by eye
×1220nF220nread from the layout by eye
×1470nF470nread from the layout by eye
×11uF1ufilm box; read from the layout by eye
×1220nF220ndrawn as an electrolytic can, printed 220nF; read from the layout by eye
×14.7uF4.7uelectrolytic; read from the layout by eye
×210uF10uelectrolytic; read from the layout by eye
×222uF22uelectrolytic; read from the layout by eye
×1220uF220uelectrolytic; read from the layout by eye
Diodes 2
×21N2701N270D1, D2; read from the layout by eye
D31N58171N5817read from the layout by eye
Transistors 1
Q1BC549CBC549Cread from the layout by eye
ICs 1
IC1145814582x LM741 in original; read from the layout by eye
Potentiometers 3
DriveB50KB50kPotentiometerwire labels say Sustain; read from the layout by eye
ToneB20KB20kPotentiometerread from the layout by eye
VolumeA10KA10kPotentiometerread from the layout by eye

Other boards based on the Cornish SS-2