1590B · 3 knobs
From the vendor
Bringing you all the sweet characteristics of the glorious Marshall 18W EL-84 combo.
There really isn't much more to say. It nails it.
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 not take a battery. Knobs are not included.
Inspired by: BB-74X
Difficulty: Medium
PCB size: 50 x 30mm
Knobs required: 3
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 25 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| R1 | 1M | 1M | ||
| R2 | 470K | 470k | ||
| R3 | 100R | 100 | ||
| R4 | 100R | 100 | ||
| R5 | 4K7 | 4.7k | ||
| R6 | 100R | 100 | ||
| R7 | 1K | 1k | ||
| R8 | 100R | 100 | ||
| R9 | 51K | 51k | ||
| R10 | 51K | 51k | ||
| Capacitors 8 | ||||
| C1 | 1u | 1u | ||
| C2 | 1u | 1u | ||
| C3 | 1u | 1u | ||
| C4 | 1n | 1n | ||
| C5 | 10n | 10n | ||
| C6 | 10u | 10u | elec | |
| C7 | 10u | 10u | elec | |
| C8 | 1u | 1u | elec | |
| Diodes 3 | ||||
| D2 | 1N4148 | 1N4148 | ||
| D3 | 1N4148 | 1N4148 | ||
| D1 | 1N5817 | 1N5817 | ||
| ICs 1 | ||||
| IC1 | 4558 | 4558 | ||
| Potentiometers 3 | ||||
| MAST | 50KB | B50k | Potentiometer | |
| TONE | 50KB | B50k | Potentiometer | |
| VOL | 50KB | B50k | Potentiometer | |