Akashic Guitar effects circuit lookup
GAINMIDTREBLEBASSVOLUME

Enclosure not stated · 5 knobs

Tagboard Effects

Tronographic Rusty BoxVerified

Based on the Tronographic Rusty Box· 1 other board clones it

Category
Boost
Controls
Gain · Mid · Treble · Bass · Volume
Build
Vero· 28×21· 47 cuts, 24 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Bass, Booster, EQ, Pre-amp

From the post

After a request John K has said that he's happy to have his layouts posted on the main site so there will be a few of these showing up over the next few days. All layouts posted are verified by John and others in many cases so you can definitely build with confidence. Starting with the Tronographic Rusty Box:

Info from the manufacturer about the original:

The rusty box is a pre-amp effect pedal optimized for bass guitar. The controls on the rusty box include input gain, bass, middle and treble eq, master volume and a boost footswitch. The rusty box is true bypass and has a balanced output for use as a direct box.

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 43 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • Boost switch: only two connections are drawn (boost sw 2 on the board, lug 1 to ground) and no type is printed; entered as SPST
  • 1u in the lower left quarter is drawn as a film/box cap, not a can, so it is not marked electrolytic
RefValueNormalizedTypeNotes
Resistors 15
×1470R470read from the layout by eye
×1680R680read from the layout by eye
×21K51.5kread from the layout by eye
×22K22.2kread from the layout by eye
×34K74.7kread from the layout by eye
×36K86.8kread from the layout by eye
×18K28.2kread from the layout by eye
×210K10kread from the layout by eye
×115K15kread from the layout by eye
×318K18kread from the layout by eye
×227K27kread from the layout by eye
×1100K100kread from the layout by eye
×1270K270kread from the layout by eye
×11M1Mread from the layout by eye
×11M51.5Mread from the layout by eye
Capacitors 10
×147p47pread from the layout by eye
×11n51.5nread from the layout by eye
×16n86.8nread from the layout by eye
×333n33nread from the layout by eye
×347n47nread from the layout by eye
×168n68nread from the layout by eye
×1100n100nread from the layout by eye
×2220n220nread from the layout by eye
×11u1uread from the layout by eye
×34u74.7uelectrolytic; read from the layout by eye
Diodes 2
D11N41481N4148read from the layout by eye
D21N41481N4148read from the layout by eye
Transistors 8
Q12N52452N5245JFET; read from the layout by eye
Q2MPSA18MPSA18read from the layout by eye
Q3MPS8598MPS8598read from the layout by eye
Q4MPS8598MPS8598read from the layout by eye
Q5MPS8598MPS8598read from the layout by eye
Q6MPS8598MPS8598read from the layout by eye
Q7MPS8598MPS8598read from the layout by eye
Q8MPS8598MPS8598read from the layout by eye
ICs 1
IC1TL071TL071read from the layout by eye
Potentiometers 5
GainA1MA1MPotentiometerread from the layout by eye
MidC15KC15kPotentiometerread from the layout by eye
TrebleB50KB50kPotentiometerread from the layout by eye
BassA50KA50kPotentiometerread from the layout by eye
VolumeA50KA50kPotentiometerread from the layout by eye
Switches 2
Input PadSPDT on/onSPDT ON/ONtoggle; lugs SW1, Input, SW3; read from the layout by eye
BoostSPSTSPSTtype not given; lug 1 to ground, lug 2 to board; read from the layout by eye

Other boards based on the Tronographic Rusty Box