Akashic Guitar effects circuit lookup
DEPTHRATEGAINSPACINGMULTIPLIERSHAPEDUTY

Enclosure not stated · 7 knobs

Zeppelin Design Labs

Quaverato

Category
Tremolo
Controls
Depth · Rate · Gain · Spacing · Multiplier · Shape · Duty
Price
$99.95
Tags
kit
Buy the PCB at Zeppelin Design Labs Build document Owner's manual

From the vendor

Quaverato Harmonic Tremolo Pedal DIY Kit combines many features to make a great sounding, versatile, and practical stompbox. Full MIDI implementation available as an option.

• Digitally controlled, all analog signal path combining maximum flexibility with great tone.

• Both Traditional (In-Phase) and Harmonic (Out-Of-Phase) Tremolo modes

• Up to 15dB of gain

• Modulates the high and low frequencies independently for dynamic swirling effects

• Extra internal controls allow for custom crossover frequency selection and individual HIGH and LOW signal path volume adjustment, for full tonal control

• Bypass footswitch can be used as either a toggle or momentary switch

• Plus all the usual:

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 73 rows

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Got parts in a drawer? See what you can build with them.

RefValueNormalizedTypeNotes
Resistors 33
R7220R220Resistor
R8220R220Resistor
R41K1kResistor
R51K1kResistor
R61K1kResistor
R111K1kResistor
R121K1kResistor
R151K1kResistor
R301K1kResistor
R311K1kResistor
R321K1kResistor
R1714K14kResistor
R2114K14kResistor
R210K10kResistor
R1310K10kResistor
R1410K10kResistor
R1610K10kResistor
R2710K10kResistor
R2810K10kResistor
R1818K18kResistor
R2218K18kResistor
R2036K36kResistor
R2436K36kResistor
R1924K24kResistor
R2324K24kResistor
R9100K100kResistor
R10100K100kResistor
R29100K100kResistor
R11M1MResistor
R31M1MResistor
R333.3M3.3MResistor
R261K1kResistor
R25220R220Resistor
Capacitors 18
C181uF1uElectrolytic Cap, Radial 5x11mm
C41uF1uElectrolytic Cap, Radial 5x11mm (Bipolar)
C171uF1uElectrolytic Cap, Radial 5x11mm (Bipolar)
C14220uF220uElectrolytic Capacitor
C1510uF10uElectrolytic Cap, Radial 5x11mm
C222nF22nFilm Capacitor
C322nF22nFilm Capacitor
C1100nF100nFilm Capacitor
C7100nF100nCeramic Capacitor
C8100nF100nCeramic Capacitor
C9100nF100nCeramic Capacitor
C10100nF100nCeramic Capacitor
C11100nF100nCeramic Capacitor
C12100nF100nCeramic Capacitor
C13100nF100nCeramic Capacitor
C16100nF100nCeramic Capacitor
C522pF22pCeramic Capacitor
C622pF22pCeramic Capacitor
Diodes 3
D11N40071N4007Diode
D21N40071N4007Diode
D31N40071N4007Diode
Transistors 5
Q12N39042N3904Transistor
Q22N39042N3904Transistor
Q42N39042N3904Transistor
Q52N39042N3904Transistor
Q3J176J176J-FET
ICs 3
U2TL074TL074J-FET Quad Op Amp
U1ATmega328-PUATMEGA328-PUMicrocontroller
U578L0578L05Voltage Regulator
Crystals 1
Y116MHz16MHZCrystal Oscillator
Potentiometers 7
VR2100K100kPotentiometer, 16mm
VR3100K100kPotentiometer, 16mm
VR4100K100kPotentiometer, 16mm
VR5100K100kPotentiometer, 16mm
VR6100K100kPotentiometer, 16mm
VR7100K100kPotentiometer, 16mm
VR1500K500kPotentiometer, 16mm
Trimmers 3
VR810K10kTrim Pot
VR910K10kTrim Pot
VR10100K100kTrim Pot