Akashic Guitar effects circuit lookup
POT1POT2VOLAVOLB

1590J · 4 knobs

Dead End FX

Double Cross

Category
Distortion
Controls
Pot1 · Pot2 · Vola · Volb
Price
$50.00in stock
Tags
Beyond More

From the vendor

This is our take on a dual Rat project. Yes... that's right. If you thought two Rat's under the same roof only happens in prisons, think again! What separates this from any other Rat project available on the WWW is that we have managed to source a limited supply of LH2108 chips. It's two LM108's combined into a single IC package. The LM108 is the MIL-Spec version of the LM308, the bigger, tougher brother of the LM308 if you will. Same performance spec's, but higher tolerance ratings. If your next gig is going to be anywhere near flying beer bottles, rambunctious lead singers, or cluster bombs, this chip will take what you can dish out.

Each project will include;

A) One (1) beautifully appointed black PCB. While the two circuits are totally separate, they both run through a single LH2108. You can run them individually, in stereo, or if your cheese happens to slide off your cracker, in series. Both sides offer the standard controls found on any Rat, but there are additional gain and clipping options found on both sides, which include; Various post clipping options (germanium/silicon/LED) on both sides. - Feedback loop clipping options (MOSFET/germanium, LED, or none) on side B. - Turbo mode post resistors option on side A, and finally - Reutz mod gain adjust on both sides. - Millennium II bypass switching on both sides.

B) One (1) LH2108. This will run until our limited supply of LH2108 is exhausted. There is so much mojo oozing out of this chip, it sounds good just looking at it.

C) Tracked shipping worldwide. DUE TO THE RARITY AND COST OF THE LH2108, SHIPPING FOR THIS PACKAGE ONLY WILL BE TRACKED WORLDWIDE, HENCE THE ADDED SHIPPING EXPENSE. WE WILL NOT SHIP THESE VIA OUR REGULAR PARCEL MAIL SERVICE.

DISCLAIMER!!! (Please read carefully, absorb into your brain, and understand...)

- Availability of this project is wholly dependent on LH2108 supply. - Each LH2108 is physically tested for complete operational performance before they are shipped. This is done using our own validation build as the test bench. Once they are shipped however, we are no longer responsible for them. They will be shipped using proper formed anti-static plastic IC packaging. - Because this is a board and IC package, additional packaging requirements are necessary. As such, apart from our general shipping policies, additional handling costs are applicable. - We cannot stress this enough... WE DO NOT HAVE EXTRA LH2108's KICKING AROUND! So, if you mess it up... it's your problem.

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 69 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 24
R11Msch1M
R21Msch1M
R31Ksch1k
R447Rsch47
R5560Rsch560
R61Ksch1k
R71K6sch1.6k
R81Msch1M
R910Ksch10k
R211K2sch1.2k
R223K9sch3.9k
R111Msch1M
R121Msch1M
R131Ksch1k
R1447Rsch47
R15560Rsch560
R161Ksch1k
R171K6sch1.6k
R181Msch1M
R1910Ksch10k
R2010Ksch10k
R231K2sch1.2k
R243K9sch3.9k
R252M2sch2.2M
Capacitors 23
C122nsch22n
C21nsch1n
C330psch30p
C41usch1u
C5100psch100p
C62u2sch2.2u
C74u7sch4.7u
C84u7sch4.7u
C93n3sch3.3n
C1022nsch22n
C1110nsch10n
C1222nsch22n
C131nsch1n
C1430psch30p
C154u7sch4.7u
C16100psch100p
C174u7sch4.7u
C184u7sch4.7u
C1910nsch10n
C203n3sch3.3n
C2122nsch22n
C231usch1u
C244u7sch4.7u
Diodes 12
D91N4148sch1N4148
D131n34sch1N34
D141n34sch1N34
D151n4148sch1N4148
D161n4148sch1N4148
D191n34sch1N34
D201n34sch1N34
D31n34sch1N34
D41n34sch1N34
D51n4148sch1N4148
D61n4148sch1N4148
D111N4148sch1N4148
Transistors 2
Q12N5458sch2N5458
Q22N5458sch2N5458
Potentiometers 4
POT1B1KocrB1kPotentiometer
POT2B1KocrB1kPotentiometer
VOLAA100KocrA100kPotentiometer
VOLBA100KocrA100kPotentiometer
Switches 4
SW1DPDT - ON/ON/ONocrDPDT - ON/ON/ON
SW4DPDT - ON/OFF/ONocrDPDT - ON/OFF/ON
SW5DPDT - ON/ON/ONocrDPDT - ON/ON/ON
SW6DPDT -ON/ONocrDPDT -ON/ON