Akashic Guitar effects circuit lookup
PRESENCETREBLEGAINLEVELBASSMID

Enclosure not stated · 6 knobs

Tagboard Effects

Baja 59 Tweed BassmanVerified

Based on the BAJA 59 Tweed Bassman· 1 other board clones it

Controls
Presence · Treble · Gain · Level · Bass · Mid
Difficulty
Difficult
Build
Vero· 23×23· 40 cuts, 23 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Amp Emulation, Baja, Bassman, Fender, Overdrive, Tweed

From the post

Bajaman's overdrive circuit based on the Fender 59 Tweed Bassman amplifier.

Original thread and schematic available on the FSB forum here.

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 39 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 2n5 film capacitor on the top rows right of the 3K9: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 16
×42K72.7kread from the layout by eye
×31M1Mread from the layout by eye
×23K93.9kread from the layout by eye
×23K33.3kread from the layout by eye
×210K10kread from the layout by eye
×11K81.8kread from the layout by eye
×11M51.5Mread from the layout by eye
×1100K100kread from the layout by eye
×1180K180kread from the layout by eye
×1680R680read from the layout by eye
×15K65.6kread from the layout by eye
×1120R120read from the layout by eye
×118K18kread from the layout by eye
×12K22.2kread from the layout by eye
×11K1kread from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 12
×71u1uread from the layout by eye
×21n1nread from the layout by eye
×2220n220nread from the layout by eye
×1560n560nread from the layout by eye
×1680n680nread from the layout by eye
×1100n100nread from the layout by eye
×12n52.5nread from the layout by eye
×11n51.5nread from the layout by eye
×1330p330pread from the layout by eye
×110u10uelectrolytic; read from the layout by eye
×147u47uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 1
×41N41481N4148D1-D4; read from the layout by eye
Transistors 1
×12SK1172SK117JFET; read from the layout by eye
ICs 2
×2TL062TL062read from the layout by eye
×1TL072TL072read from the layout by eye
Potentiometers 6
PresenceB10KB10kPotentiometerread from the layout by eye
TrebleB10KB10kPotentiometerread from the layout by eye
GainB100KB100kPotentiometerread from the layout by eye
LevelB100KB100kPotentiometerread from the layout by eye
BassB50KB50kPotentiometerread from the layout by eye
MidB1KB1kPotentiometerread from the layout by eye
Switches 1
BrightSPSTSPSTtoggle; read from the layout by eye

Other boards based on the BAJA 59 Tweed Bassman