Akashic Guitar effects circuit lookup
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Enclosure not stated · 3 knobs

Tagboard Effects

Providence Sonic Drive SDR-5Verified

Based on the Providence Sonic Drive SDR-5

Category
Overdrive
Controls
Gain · Tone · Level
Build
Vero· 21×15· 19 cuts, 7 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Overdrive

From the post

Another one from Providence and another which is most definitely inspired by the TS808. Based on the clips I've heard, like the Stampede it also sounds pretty good and so I have no doubt a few people will fancy throwing one of these together.

Manufacturers info:

An Overdrive with greater presence

Based on the old SDR-4 which has a uniquely characteristic fast attack and effective edgy sound, a newly added feature cuts out unwanted elements which can affect the presence of your sound. This gives a punchy cutting sound with a full, enhanced low midrange, and provides a new level of presence that represents an evolution in overdrive sound. Even with distortion, the sound and balance of each string remains clear. And in a band environment, a full and vibrant sound can be realized without being masked by the sound of other instruments.

FAT Switch

The FAT switch can be used to control the low frequency range. Turning the FAT switch ON raises the gain in the low frequency range, enabling the production of a particularly fat sound.

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 25 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 13K9 right of the IC, upper right of the board: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 7
×51K1kread from the layout by eye
×810K10kread from the layout by eye
×2510K510kread from the layout by eye
×12M22.2Mread from the layout by eye
×113K913.9kread from the layout by eye
×1100R100read from the layout by eye
×1330R330read from the layout by eye
Capacitors 8
×133p33pread from the layout by eye
×147n47nread from the layout by eye
×1100n100nread from the layout by eye
×4220n220nread from the layout by eye
×21u1uread 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 3
D11S15881S1588read from the layout by eye
D21S15881S1588read from the layout by eye
D31N40011N4001read from the layout by eye
Transistors 2
Q12N39042N3904legend: original 2SC3198, layout based on common 2N3904, 2N5088 or similar; read from the layout by eye
Q22N39042N3904legend: original 2SC3198, layout based on common 2N3904, 2N5088 or similar; read from the layout by eye
ICs 1
ICJRC4558DJRC4558Dread from the layout by eye
Potentiometers 3
GainA500KA500kPotentiometerread from the layout by eye
ToneC10KC10kPotentiometerread from the layout by eye
LevelA100KA100kPotentiometerread from the layout by eye
Switches 1
FatSPSTSPST2 position; read from the layout by eye