Akashic Guitar effects circuit lookup
GAINFREQ 1FREQ 1 LEVELFREQ 2FREQ 2 LEVELCLEAN LEVEL

Enclosure not stated · 6 knobs

GuitarPCB

DVF

Category
Overdrive
Controls
Gain · Freq 1 · Freq 1 Level · Freq 2 · Freq 2 Level · Clean Level
Price
$8.95out of stock

From the vendor

Used for guitar as a tonal shifter, cocked wah, solo enhancer and more but also consider other instruments like Harmonica, Voice etc.

Description

The DVF (Dual Voice Filter) based on a circuit by Craig Anderton from the 70s will give you tonal options like no other.

We then added on-board overdrive. Used for guitar as a tonal shifter, cocked wah, solo enhancer and more but also consider other instruments like Harmonica, Voice etc.

The circuit comprises four stages:

· Input gain stage

· Low to mid frequency sweep filter

· Mid to high frequency sweep filter

· Mixing stage

DVF Build Document (Pre-2020)

DVF Build Document (New 2020 version)

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 48 rows

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RefValueNormalizedTypeNotes
Resistors 19
R11M1M
R1110k10k
R21M1M
R1210k10k
R31M1M
R1310k10k
R42k22.2k
R1410k10k
R510k10k
R154k74.7k
R6220k220k
R16100k100k
R7100R100
R1710k10k
R810k10k
R1810k10k
R9220k220k
R191k81.8k
R10100R100
Capacitors 14
C1220n220n
C11470n470n
C2220p220p
C12100p100p
C3470n470n
C13220n220n
C447n47n
C1447µ47u
C547n47n
C6220n220n
C7470n470n
C810n10n
C910n10n
C10220n220n
Diodes 6
D41N41481N4148
D51N41481N4148
D61N41481N4148
D71N41481N4148
D11N41481N4148
D21N41481N4148
ICs 2
IC1TL074TL074
IC2TL071TL071
Potentiometers 6
P11M BB1M
P210k CC10k
P3100k BB100k
P410k CC10k
P5100k BB100k
P6100k BB100k
LEDs 1
D3CA Bi-Colour LEDCA BI-COLOUR LED