Akashic Guitar effects circuit lookup
COMPTONEVOLUME

Enclosure not stated · 3 knobs

Tagboard Effects

BJFE Pale Green CompressorVerified

Based on the BearFoot FX Pale Green Compressor· 3 other boards clone it

Category
Compressor
Controls
Comp · Tone · Volume
Build
Vero· 21×19· 28 cuts, 12 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
BJF/MP, Compressor

From the post

From John K. Info about the original:

This compressor captures the natural feel of your amp and speakers compressing as they are pushed.The PGC really shines in a live situation with a band where the heavier handed compressors, that sound good at home in a room, often sound thick and lifeless against other real instruments… … The PGC is already famous for its nearly transparent compression and dead quiet operation. You will also wonder if its on at all ~ until you turn it off to make sure and then turn it back on as quickly as possible.

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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 26 rows

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Check before you build · 3 values the reader of this layout was not sure of
  • 215R top right: printed clearly, unusual value
  • LDR / LED: legend 'LDR: NSL32, Green LED' is ambiguous (NSL32 is itself a LED/LDR optocoupler); the board draws a separate LDR and a green LED, entered as two rows
  • IC printed only as 5534, entered as NE5534
RefValueNormalizedTypeNotes
Resistors 10
×327K27kread from the layout by eye
×32K22.2kread from the layout by eye
×35K65.6kread from the layout by eye
×21M1Mread from the layout by eye
×210K10kread from the layout by eye
×2200K200kread from the layout by eye
×2110R110read from the layout by eye
×122K22kread from the layout by eye
×147K47kread from the layout by eye
×1215R215read from the layout by eye
Capacitors 5
×3100n100nread from the layout by eye
×147n47nread from the layout by eye
×1100p100pread from the layout by eye
×322u22uelectrolytic; read from the layout by eye
×31u1uelectrolytic; read from the layout by eye
Diodes 3
D11N41481N4148read from the layout by eye
D21N41481N4148read from the layout by eye
D31N40011N4001read from the layout by eye
Transistors 1
×3BC550CBC550Cread from the layout by eye
ICs 2
×1NE5534NE5534printed 5534; read from the layout by eye
×178L0578L05regulator; read from the layout by eye
Opto 1
LDRNSL32NSL32legend: 'LDR: NSL32, Green LED'; read from the layout by eye
Potentiometers 3
CompA500KA500kPotentiometerread from the layout by eye
ToneB20KB20kPotentiometerdual; read from the layout by eye
VolumeB50KB50kPotentiometerread from the layout by eye
LEDs 1
LEDGreen LEDGREEN LEDon board, beside the LDR; read from the layout by eye

Other boards based on the BearFoot FX Pale Green Compressor