Akashic Guitar effects circuit lookup
VCF1VCF2LEVELDRIVECLEAN

1590J · 5 knobs

Dead End FX

Leo X

Based on the fantastic Schumann Lion X overdrive

Category
Overdrive
Controls
Vcf1 · Vcf2 · Level · Drive · Clean
Price
$15.00in stock
Buy the PCB at Dead End FX Build document

From the vendor

Clone of the fantastic Schumann Lion X overdrive. It features a beautiful clean blend circuit, as well as twin band pass filters, one for the clean, and one for the drive side. We took this a step further, and added pads for a 9 pin Mini DIN. The build doc includes instructions for making your own expression pedal, so you can actively control the filters remotely. The expression pedal is optional though, and you can build this as per the original.

Schematic

The schematic is in the vendor's build document, page 2. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 41 rows

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ocr read from an image · sch paired from the schematic · fixed corrected by hand. Check marked values against the build document.

RefValueNormalizedTypeNotes
Resistors 11
R1120Rocr120
R2240Rocr240
R510Mocr10M
R9100Kocr100k
R1310Kocr10k
R141Mocr1M
R1768Kocr68k
R21100Rocr100
R261Kocr1k
R27150Kocr150k
R2810Kocr10k
Capacitors 15
C1470uocr470u
C210uocr10u
C3470uocr470u
C410uocr10u
C547pocr47p
C1047nocr47n
C12100nocr100n
C1347pocr47p
C1710uocr10u
C19100uocr100u
C2010uocr10u
C22100pocr100p
C2310pocr10p
C2510uocr10u
C6470uocr470u
Potentiometers 5
VCF1B10KocrB10kPotentiometer
VCF2B10KocrB10kPotentiometer
LEVELA10KocrA10kPotentiometer
DRIVEB1MocrB1MPotentiometer
CLEANA20KocrA20kPotentiometer
Trimmers 3
PTRIM110Kocr10kTrimmer
PTRIM210Kocr10kTrimmer
TRIM110Kocr10kTrimmer
Switches 7
Bypass3PDTocr3PDT
Boost3PDTocr3PDT
AUXDPDTocrDPDT
EXPDPDTocrDPDT
LINKSPDTocrSPDT
Vcfsw1SPDTocrSPDT
Vcfsw2SPDTocrSPDT