Akashic Guitar effects circuit lookup
LEVELATTACKTONE

Enclosure not stated · 3 knobs

GuitarPCB

Fzzz Bxxx

Category
Fuzz
Controls
Level · Attack · Tone
Price
$7.95out of stock

From the vendor

Fzzz Bxxx is the best PCB for the famous Sam Ash Fuzzz Boxx is impossible we have a PCB for you.

Description

If tracking down a Sam Ash Fuzzz Boxx is impossible we have a PCB for you. This circuit produces a powerful and articulate tone that re-creates the sizzling fuzz of that era. Used by greats such as Leslie West (Mountain) and Tommy Bolin (Zephyr, James Gang & Deep Purple). The Fzzz Bxxx cleans up amazingly well with the twist of your Guitar volume producing powerful chiming clean tones on the brink of breakup to an all out Fuzz War.

Fzzz Bxxx Build Document

Our Fzzz Bxxx will yield up to 42dB of boost making it an excellent alternative to the Rangemaster. The Tone Pot has been enhanced to allow a full spectrum of tonal adjustments over the original. Cranking the Attack knob increases saturation, enabling maximum-strength Sam Ash Fuzzz Boxx style tone. This setting is great for warmer psychedelic soloing (American Woman) or some tight power chords.

Credit goes to Analogman for the Tone Control insights and Wilkie1 for his overall contributions.

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 21 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 7
R11Mocr1M
R222kocr22k
R31Mocr1M
R4470kocr470k
R51k8ocr1.8k
R6470Rocr470
R71k8ocr1.8k
Capacitors 6
C1470nocr470n
C2470nocr470n
C3470nocr470n
C4470nocr470n
C5100uocr100u
C41478nocr478n
Diodes 3
D11N914ocr1N914
D21N914ocr1N914
D31N4001ocr1N4001
Transistors 2
Q12N3053ocr2N3053
Q22N3053ocr2N3053
Potentiometers 3
LEVELA10KocrA10kPotentiometer
ATTACKB100KocrB100kPotentiometer
TONEB10KocrB10kPotentiometer