Akashic Guitar effects circuit lookup
123

Enclosure not stated

From the vendor

Compressor based on the THAT4301 chip. This solution is often used in top-quality rack-mount studio compressors and high-end mixing consoles. We have at our disposal the adjustment of the compressor actuation point, the degree of compression, gain and response time. Additionally, we can choose the shape of the soft / hard knee characteristics. The system is equipped with an input signal attenuator that allows to adjust the sensitivity to the pichups of your instrument. The compressor has a very natural sound, which makes it perfect for both the studio and stage.

PCB. Dimensions 91mm x 44mm

Files to download:

•

THAT4301retrofit ENG.pdf

Schematic

The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 71 rows

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RefValueNormalizedTypeNotes
Resistors 30
R1547R47
R3482R82
R21k1k
R171k1k
R221k51.5k
R72k22.2k
R322k22.2k
R124k74.7k
R134k74.7k
R205k65.6k
R275k65.6k
R68k28.2k
R410k10k
R2110k10k
R520k20k
R822k22k
R1622k22k
R2322k22k
R3022k22k
R1033k33k
R1133k33k
R2933k33k
R9220k220k
R14470k470k
R19470k470k
R28560k560k
R31M1M
R12M22.2M
R312M22.2M
R33120R120
Capacitors 24
C622p22p
C1222p22p
C247p47p
C847p47p
C7100n100n
C9100n100n
C10100n100n
C13100n100n
C14100n100n
C20100n100n
C24100n100n
C184u74.7u
C310u10u
C1110u10u
C447u47u
C547u47u
C2147u47u
C2547u47u
C19100u100u
C22100u100u
C23100u100u
C1510u10uTant.
C1610u10uTant.
C1710u10uTant.
Diodes 11
D11N41481N4148
D21N41481N4148
D31N41481N4148
D41N58191N5819
D51N58191N5819
D61N58191N5819
D71N58191N5819
D81N58191N5819
D91N58191N5819
D10Zen.12V12V
D11Zen.12V12V
ICs 3
U155325532
U2THAT4301retrofitTHAT4301RETROFIT
U5Lt1054LT1054
Potentiometers 3
RV1B50kB50k
RV2B10kB10k
RV4B10kB10k