Akashic Guitar effects circuit lookup
BRIGHTBASS1BASS2GAIN1GAIN2MID1MID2TREB1TREB2VOLIVOL2DRIVE

1590D · 12 knobs

Dead End FX

Drive-Bi

Based on the SiB! Electronics Varidrive - dual channel

Category
Overdrive
Controls
Bright · Bass1 · Bass2 · Gain1 · Gain2 · Mid1 · Mid2 · Treb1 · Treb2 · Voli · Vol2 · Drive
Price
$50.00in stock

From the vendor

Work-a-like of a dual channel Sib! Varidrive. Though we're not sure if it was ever produced, there is a picture of such a beast that exists on the internet. So, of course, we just ran with the concept. Two OD channels, with independent gain and EQ's, and a common Bright control. At moderate settings, this is not a typical overdrive that will overwhelm the front end of an amp. If you're looking for a tone "sweetener", this is your beast. You can always set the second channel for more (or less) beef, as required.

THIS IS A PROJECT PLUS KIT CONSISTS OF; - ONE (1) PCB SET (Control and power boards.) - ONE (1) POWER TRANSFORMER - Tested for proper operation.

These transformer is generally the hardest to source, so we've made an effort to find some, as well as test them, to take that pain away. With the component market being polluted with fake or defective parts more and more, it's a pain the DIY'er can do without. AVAILABILITY OF THIS PROJECT IS SUBJECT TO MARKET SUPPLY AND COST. IF IT'S SOLD OUT, PLEASE DON'T SEND US REQUESTS FOR IT. IF WE HAVE IT IN STOCK, WE'LL LET EVERYONE KNOW AT OUR FACEBOOK PAGE.

SHIPPING NOTE! To ensure delivery status, as with our prior project kit releases, THIS WILL ONLY SHIP AS PARCEL POST WITH TRACKING! If you wish us to ship it without tracking at a reduced cost, as we do all our regular DEFX projects, then please contact us before hand for a quote and we can invoice you. But... if it gets lost... we will not be held responsible. It's your problem, and your dime.

WARNING!! THIS PROJECT GENERATES HAZARDOUS VOLTAGES!! NOT RECOMMENDED FOR BEGINNERS OR BUILDERS NOT FAMILIAR WITH HIGH VOLTAGES REQUIRED FOR TUBE AMPLIFICATION!! The power section can develop up to 190vdc. Enough to certainly give a decent jolt, and perhaps in some cases, cause death. We only recommend that experienced builders, especially those with high voltage protocol understanding tackle this project. YOU HAVE BEEN DULY WARNED!!

Schematic

The schematic is in the vendor's build document, page 15. 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
R1622ksch22k
R1722ksch22k
R1847ksch47k
R1947ksch47k
R20220rsch220
R2247ksch47k
R34k7sch4.7k
R41msch1M
R510ksch10k
R633ksch33k
R7470ksch470k
R210ksch10k
R3210ksch10k
R12k2ocr2.2k
R81k5ocr1.5k
R9220kocr220k
R10470kocr470k
R11470kocr470k
R121k5ocr1.5k
R13100kocr100k
R14270kocr270k
R15270kocr270k
R21220rocr220
R3320rocr20
Capacitors 30
C12100nsch100n
C134n7sch4.7n
C1447nsch47n
C1547nsch47n
C164n7sch4.7n
C17100nsch100n
C181nsch1n
C191nsch1n
C20100nsch100n
C21220psch220p
C22220psch220p
C23150psch150p
C24150psch150p
C254n7sch4.7n
C1100nsch100n
C2100nsch100n
C310nsch10n
C44n7sch4.7n
C6100psch100p
C722nsch22n
C947nsch47n
C102n2sch2.2n
C3847nsch47n
C54u7ocr4.7u
C822uocr22u
C114u7ocr4.7u
C3222uocr22u
C3322uocr22u
C342200uocr2.2m
C351000uocr1m
Transistors 1
Q12N3819ocr2N3819
Potentiometers 11
BrightA1MschA1MPotentiometer
BASS1A100KocrA100kPotentiometer
BASS2A100KocrA100kPotentiometer
GAIN1A1MocrA1MPotentiometer
GAIN2A1MocrA1MPotentiometer
MID1B10KocrB10kPotentiometer
MID2B10KocrB10kPotentiometer
TREB1B500KocrB500kPotentiometer
TREB2B500KocrB500kPotentiometer
VOLIA100KocrA100kPotentiometer
VOL2A100KocrA100kPotentiometer
Switches 2
Bypass3PDTocr3PDT
Channel4PDTocr4PDT
LEDs 1
D3LEDschLED