Akashic Guitar effects circuit lookup
GAINVOLUMEBASSCONTOURTREBLE

1590BB · 5 knobs

HotKits

Shred Machine

Based on the Marshall Shredmaster· 17 other boards clone it

Want a PCB? HotKits sells this PCB from a price list, ordered by message (or by email to alex.hotkits@gmail.com): message HotKits on Facebook.

Category
Distortion
Controls
Gain · Volume · Bass · Contour · Treble
Price
$3.00in stock
See the HotKits price list Build document Price list (Google Drive)Order: HotKits on FacebookHotKITs DIY community (Facebook group)

From the vendor

The Marshall distortion pedal is long out of production and is a rarity even on eBay. One of the most successful pedals, positioned as "Marshall-in-a-box". Controls: Gain, Bass, Treble, Contour, Volume. True bypass. Power supply: battery 9 V or regulated mains adapter 9 VDC. The dimensions of the PCB 100 x 27 mm. Enclosure type: Hammond 1590BB.

Schematic

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

Parts list 30 rows

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RefValueNormalizedTypeNotes
Resistors 13
×1100100Metal film resistor 1/4W 100
×11k1kMetal film resistor 1/4W 1k
×13k33.3kMetal film resistor 1/4W 3k3
×24k74.7kMetal film resistor 1/4W 4k7
×16k86.8kMetal film resistor 1/4W 6k8
×110k10kMetal film resistor 1/4W 10k
×233k33kMetal film resistor 1/4W 33k
×347k47kMetal film resistor 1/4W 47k
×2100k100kMetal film resistor 1/4W 100k
×1220k220kMetal film resistor 1/4W 220k
×1680k680kMetal film resistor 1/4W 680k
×21M1MMetal film resistor 1/4W 1M
×12M22.2MMetal film resistor 1/4W 2M2
Capacitors 10
×147p47pCeramic disk capacitor 47p 50VCeramic disk capacitor
×1100p100pCeramic disk capacitor 100p 50VCeramic disk capacitor
×21n1nPolyester film capacitor 1n 63VPolyester film capacitor
×12n22.2nPolyester film capacitor 2n2 63VPolyester film capacitor
×110n10nPolyester film capacitor 10n 63VPolyester film capacitor
×222n22nPolyester film capacitor 22n 63VPolyester film capacitor
×247n47nPolyester film capacitor 47n 63VPolyester film capacitor
×3100n100nPolyester film capacitor 100n 63VPolyester film capacitor
×5220n220nPolyester film capacitor 220n 63VPolyester film capacitor
×2100u100uElectrolytic capacitor 100µ 16VElectrolytic capacitor
Diodes 2
×11N58181N5818Diode 1N5818
×21N41481N4148Diode 1N4148
ICs 1
×2TL072TL072IC TL072DIP8
Potentiometers 3
×1B20kB20kPotentiometer RV16LN(PH)-15kQ B20k
×1B100kB100kPotentiometer RV16LN(PH)-15kQ B100k
×3A100kA100kPotentiometer RV16LN(PH)-15kQ A100k
LEDs 1
×1LEDLEDLED 5mm5mm; for indication

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