Akashic Guitar effects circuit lookup
BASSDRIVEFILTERLEVELMIDTREB

1590BBS · 6 knobs

Dead End FX

Terrahawk

Based on the Butcher Pedals Pistol Slapper· 1 other board clones it

Category
Boost· Booster
Controls
Bass · Drive · Filter · Level · Mid · Treb
Price
$15.00in stock

From the vendor

For all the Rory Gallagher fans out there, here's a neat offshoot of one of his bread and butter tone shapers, The S. Hawk Ltd. Hawk II Tonal Expander. This is actually lifted from the Pistol Slapper, which is mostly based on the Hawk, but for some subtle changes that add flexibility, including a footswitchable boost fuction, all the while reducing overall noise. Just a great booster.

We've been able to make this work with inductors that are still readily available, so no scouring EBay for vaporware necessary.

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 61 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 26
R1120rsch120
R2200ksch200k
R3200ksch200k
R41ksch1k
R5360rsch360
R62m2sch2.2M
R71ksch1k
R810ksch10k
R922ksch22k
R1033ksch33k
R111k5sch1.5k
R12130Rsch130
R132m2sch2.2M
R142m2sch2.2M
R151msch1M
R161msch1M
R172k2sch2.2k
R181k5sch1.5k
R19360rsch360
R20360rsch360
R21360rsch360
R221k5sch1.5k
R231ksch1k
R24120rsch120
R25220rsch220
R26220rsch220
Capacitors 17
C1100usch100u
C2100nsch100n
C310usch10u
C410usch10u
C510usch10u
C6100psch100p
C747nsch47n
C91usch1u
C10100nsch100n
C1147nsch47n
C1247nsch47n
C1310nsch10n
C1422nsch22n
C161usch1u
C172u2sch2.2u
C1847nsch47n
C19150nsch150n
Diodes 3
D11n4004sch1N4004
D21n4148sch1N4148
D31n4148sch1N4148
ICs 2
IC17660ocr7660
IC21458ocr1458
Inductors 5
L127mHsch27mH
L2150mHsch150mH
L3150mHsch150mH
L4150mHsch150mH
L5150mHsch150mH
Potentiometers 6
BassC10KschC10kPotentiometer
DriveA25KschA25kPotentiometer
FilterC10KschC10kPotentiometer
LevelA100KschA100kPotentiometer
MidC10KschC10kPotentiometer
TrebC10KschC10kPotentiometer
Switches 2
FilswSPDT ON/OFF/ONocrSPDT ON/OFF/ON
Bypass3PDTocr3PDT

Other boards based on the Butcher Pedals Pistol Slapper