Akashic Guitar effects PCB lookup
BIAS

1590B · 1 knobs

Fuzz Dog· RMPlus

Range Master Plus Si/Ge

Based on the Strange Master

Category
Boost
Controls
Bias
Difficulty
Easy-Medium
Price
£33.60
Tags
boost

From the vendor

Everyone loves a Range Master, right? That gritty treble push is real sweet.

How about a bunch of Range Masters in one little box? Well, technically two - one silicon, one germanium - but with an external bias control the world is your tonal oyster. What's more, this babe is all NPN/Negative Ground so will play nicely on your chain, no messing.

Everything board-mounted for super-simple build and solid seating in the enclosure.

The kit is supplied with vertical-mount pots which have round shafts, so you'll need set-screw fitting knobs.

If you want the PCB without parts there's a link for that at the bottom of the page.

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 will take a battery. Knobs are not included.

Builds are only available with full kits including enclosure and vertical-mount pots. Please choose appropriate knobs.

Inspired by: Strange Master

Difficulty: Easy-Medium

PCB size: 31 x 50mm

Knobs required: 1

Enclosure: 1590B

Direct-Connect compatible (4-way)

Check Specials for powder-coated enclosure availability.

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 14 rows

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RefValueNormalizedTypeNotes
Resistors 3
R1470K470k
R23K93.9k
R32M22.2M
Capacitors 6
C1220p220p
C24n74.7n
C310n10n
C410n10n
C547u47uelec
C1647u47uelec
Diodes 1
D11N40011N4001
Transistors 2
Q1AC176*AC176
Q22N2222**2N2222
Potentiometers 1
BIAS250KBB250kPotentiometer
Switches 1
SW1DPDTDPDT