Akashic Guitar effects circuit lookup
FILTPHASESPEED

Enclosure not stated · 3 knobs

Scientific Guitarist

Night ShiftHarmonic and Dimension Phaser

Category
Phaser
Controls
Filt · Phase · Speed
Price
see vendor

From the vendor

I love designing modulation effects. You can do so many weird things with it. After doing my Aeronometron design last year, and after waffling around on harmonic tremolo circuits, I had the crazy thought of a harmonic phaser using the CD4066 chips as the variable resistors. And, while I was at it, I thought maybe it would be fun to have the option of a "dimension phaser" mode, where the dry signal is mixed with two separate phasing paths that are 180 degrees out of phase. Well, I couldn't stop there, I wanted to be able to change the relative phase of the two LFO's as well. Put all that into a single box, and you get the Night Shift.

Schematic

The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 87 rows

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RefValueNormalizedTypeNotes
Resistors 43
R11M1M
R21M1M
R3100k100k
R410k10k
R510k10k
R610k10k
R722k22k
R81M1M
R9100k100k
R1010k10k
R1110k10k
R1210k10k
R1310k10k
R1410k10k
R151k1k
R1610k10k
R1710k10k
R1815k15k
R1947k47k
R2010k10k
R2110k10k
R2210k10k
R2310k10k
R2510k10k
R2610k10k
R2910k10k
R3010k10k
R3110k10k
R3210k10k
R3310k10k
R3410k10k
R3510k10k
R3610k10k
R3710k10k
R3810k10k
R3910k10k
R4010k10k
R41100k100k
R42100k100k
R43100k100k
R4468k68k
R45100k100k
R46100k100k
Capacitors 18
C1100n100n
C2100u100u
C34n74.7n
C44n74.7n
C5100u100u
C61n1n
C74n74.7n
C8100u100u
C947n47n
C1047n47n
C1147n47n
C1247n47n
C1347n47n
C1447n47n
C1547n47n
C1647n47n
C17100p100p
C181u1u
Diodes 1
D11N58171N5817
ICs 8
IC1TL072DTL072D
IC2TL072DTL072D
IC3ATTINY85-20SUATTINY85-20SU
IC4TL074DTL074D
IC5TL074DTL074D
REG1LM78LLM78L
U1CD4066BM96CD4066BM96
U2CD4066BM96CD4066BM96
Potentiometers 3
FILTB500kB500kDual
PHASE10kBB10k
SPEED10kBB10k
Switches 3
MODE3PDT3PDT
SHAPESPDTSPDT
SWLSP10LSP10
LEDs 5
LEDLSP10LSP10
LED1LEDLED
R24RLED_GRLED_G
R27RLED_BRLED_B
R28RLED_RRLED_R
Other 6
+9VLSP10LSP10
GNDLSP10LSP10
GND_INLSP10LSP10
GND_OUTLSP10LSP10
INLSP10LSP10
OUTLSP10LSP10