1590B · 2 knobs
Fuzz Dog· RMPlus
Range Master Plus Si/Ge
Based on the Dallas Arbiter Rangemaster· 36 other boards clone it
- Category
- Boost
- 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
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| R1 | 470K | 470k | ||
| R2 | 3K9 | 3.9k | ||
| R3 | 2M2 | 2.2M | ||
| Capacitors 6 | ||||
| C1 | 220p | 220p | ||
| C2 | 4n7 | 4.7n | ||
| C3 | 10n | 10n | ||
| C4 | 10n | 10n | ||
| C5 | 47u | 47u | Electrolytic capacitor | |
| C16 | 47u | 47u | Electrolytic capacitor | |
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | ||
| Transistors 2 | ||||
| Q1 | AC176* | AC176 | ||
| Q2 | 2N2222** | 2N2222 | ||
| Potentiometers 2 | ||||
| BOOST | 10KA | A10k | Potentiometer | |
| BIAS | 250KB | B250k | Potentiometer | |
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