Akashic Guitar effects PCB lookup
MIDSTREBLEVOICEVOLBASSDRIVE

Enclosure not stated · 6 knobs

PCB Guitar Mania

Crisis Equinox

Based on the SUHR ECLIPSE

Category
Distortion· Dual High gain Distortion
Controls
Mids · Treble · Voice · Vol · Bass · Drive
Difficulty
Advanced
Price
€14.90out of stock

Heads up Builders widely report inconsistent quality from PCB Guitar Mania boards, and whether a given board works is a gamble. Read recent forum reports before ordering.

From the vendor

Project overview

Dual-channel overdrive/distortion with 3-Band passive EQ, similar to a channel switching amplifier with individual voice settings. If you liked the Crysis, you’d definitely love his big brother.

Introduction

Is a fact: Every guitar player gets crazy for any pedal with two or more footswitches. We all love the extra possibilities of an additional channel or an independent booster to bring to our tone. Especially if we are talking about two drives, we can stack into each other in a single box, like’s the case of the KOT or the present Crisis Equinox.

The Crisis Equinox is a powerful yet intuitive dual overdrive. Each channel is exactly identical and completely independent from each other, featuring Gain, volume, and three bands passive eq section. It features a master knob to dial the whole pedal’s voice on the original unit, but we decided to make it independent for each channel, adding more versatility to this amp like a beast.

The possibilities with the Crisis Equinox are endless. You can set one channel for a tight, scooped rhythm sound and the other to a more saturated, midrange-focused tone for solos. You can boost and stack both drives. You can plug it in front of a hot tube amp to spice up and tight your tone or in front of a clean channel to make yourself a three-channel rig. The possibilities are endless.

Controls

• Bass

• Bass1

• Drive

• Drive1

• Mid

• Mid1

• Tremble

• Tremble1

• Voice

• Voice1

• Vol

• Vol1

For further analysis on this circuit take a look at this thread on Free Stomp Boxes Forum.

For any technical questions regarding this build don’t forget to check out our Facebook Group and our forum at Free Stomp Boxes.

Crisis Equinox – Building Docs

Crisis Equinox – Drilling templates

Schematic

The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 102 rows

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RefValueNormalizedTypeNotes
Resistors 47
R318k28.2k
R32100k100k
R12m20.0022
R3310k10k
R2470k470k
R344k74.7k
R3470r470
R354k74.7k
R41k1k
R3610k10k
R510k10k
R3710k10k
R61m1M
R381m1M
R7470r470
R3920k20k
R8220r220
R4020k20k
R911k311.3k
R41100r100
R108k28.2k
R4210k10k
R11100k100k
R434k74.7k
R1210k10k
R44100r100
R134k74.7k
R4520k20k
R144k74.7k
R4620k20k
R1510k10k
R474k74.7k
R1610k10k
R171m1M
R1820k20k
R1920k20k
R20100r100
R2110k10k
R222m20.0022
R23470k470k
R24470r470
R251k1k
R2610k10k
R271m1M
R28470r470
R29220r220
R3011k311.3k
Capacitors 37
C122n22n
C2150n150n
C3250p250p
C4250p250p
C5820p820p
C668p68p
C822n22n
C922n22n
C101uf1u
C11680p680p
C12680p680p
C1310n10n
C1433n33n
C153n33.3n
C161uf1u
C1822n22n
C19150n150n
C20250p250p
C21250p250p
C22820p820p
C2368p68p
C2522n22n
C2622n22n
C271uf1u
C28680p680p
C29680p680p
C3010n10n
C3133n33n
C323n33.3n
C331uf1u
C72u22.2u
C1710u10u
C242u22.2u
C3410u10u
C35470u470u
C3610u10u
C3710u10u
Diodes 7
D01n58171N5817
D13mm3MM
D21n40011N4001
D31n40011N4001
D43mm3MM
D51n40011N4001
D61n40011N4001
ICs 5
IC1JRC4580JRC4580
IC2JRC4580JRC4580
IC3JRC4580JRC4580
IC4JRC4580JRC4580
IC5JRC4580JRC4580
Potentiometers 6
MIDS500KBB500kPotentiometer
TREBLE500KBB500kPotentiometer
VOICE100KCC100kPotentiometer
VOL20KBB20kPotentiometer
BASS500KBB500kPotentiometer
DRIVE100KBB100kPotentiometer