Akashic Guitar effects PCB lookup
INTVOL

1590B · 2 knobs

Fuzz Dog· Rooby

Rooby

Based on the Ruby / 90 / Hound's Tooth

Category
Fuzz
Controls
Int · Vol
Difficulty
Easy
Price
£21.60
Tags
fuzz

From the vendor

You like your fuzz extreme and wild? (Who doesn't?) - This is for you. Sonic output as tumultuous as the history of the stable it originates from, this splatter-fest is a very simple build with spectacularly nasty results. The designer famously used the same few building blocks to create a huge variety of circuit variations, but often connected in different ways, making a catch-all PCB more bother than it's worth, so.... this board gives you one 100% accurate circuit - the Rooby. There are extra pads to add more transistors to give you something close to a couple of others, but that's up to you. If you want them exactly as per the originals, look away. If you want them more useful than the originals, keep reading. You can make two other variants with one main difference between this version and the originals - the Gain pot on ours, and indeed the Rooby, comes between the two building block circuits. On the originals you have the full output of the first block hitting the second, with the gain pot right at the front of the circuit, essentially emulating the guitar volume pot. But you can do that with the guitar volume, right? So, you can get an approximation of either a Nine-T or a Dog's Tooth if you want to head that way. Partial kit: PCB, all board-mounted components, pots. Full kit: As above, plus footswitch and appropriate daughterboard/components for your selected bypass type (see Downloads section for details of those), jack sockets, DC socket, battery snap, hook-up wire, LED. Enclosure (pre-drilled) is available as an option with full kits, and can take a battery if desired with footswitch positioned 22mm higher, closer to the controls. Knobs are not included. Builds are only available with full kits including enclosures. Please choose appropriate knobs. Inspired by: Ruby / 90 / Hound's Tooth Difficulty: Easy PCB size: 50 x 20mm Knobs required: 2 Enclosure: 1590B Direct Connect compatible (4-way) Download the INSTRUCTION PDF

Schematic

The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 18 rows

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RefValueNormalizedTypeNotes
Resistors 6
R11M1M
R22M22.2M
R310K10k
R41K1k
R52M22.2M
R610K10k
Capacitors 5
C110n10n
C210n10n
C3100n100n
C4100n100n
C5100u100uElectrolytic capacitor
Diodes 1
D11N40011N4001
Transistors 4
Q1MPSA18MPSA18
Q2MPSA18MPSA18
Q32N2907A2N2907A
Q42N2907A2N2907A
Potentiometers 2
INT100KBB100k
VOL100KAA100k