1590BBS · 5 knobs
Spectrum
Based on the Holmes H-X6 Spectrum· 1 other board clones it
- Category
- EQ / Filter· Eq
- Price
- $15.00in stock
From the vendor
Clone of the Holmes H-X6 Spectrum filter pedal (The whaaaaat??). These were also sold under the Coron, Asama, and Sanox labels. Household names in the pedal industry, we know. Another fantastically handy, yet obscure Japanese circuit. This is a tone shaper. 3 band EQ, with added HP and BP filtering, and a resonance control added in for good measure. Use it at the beginning of the chain to set the tone, or after a particular pedal to shape it's sound. If you're looking for the perfect cocked wah sound, it'll do that too. One of the nicest circuits that no one has heard of.
Schematic
The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 46 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
ocr read from an image · sch paired from the schematic · fixed corrected by hand. Check marked values against the build document.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 25 | ||||
| R1 | 1K21sch | 1.21k | ||
| R2 | 3K9sch | 3.9k | ||
| R6 | 1Ksch | 1k | ||
| R7 | 10Ksch | 10k | ||
| R10 | 100Ksch | 100k | ||
| R11 | 100Ksch | 100k | ||
| R12 | 100Ksch | 100k | ||
| R13 | 4K7sch | 4.7k | ||
| R16 | 22Ksch | 22k | ||
| R17 | 22Ksch | 22k | ||
| R18 | 100Ksch | 100k | ||
| R19 | 100Ksch | 100k | ||
| R20 | 56Ksch | 56k | ||
| R21 | 1Ksch | 1k | ||
| R22 | 10Ksch | 10k | ||
| R24 | 220Ksch | 220k | ||
| R25 | 51Ksch | 51k | ||
| R26 | 220Ksch | 220k | ||
| R27 | 10Ksch | 10k | ||
| R29 | 10Ksch | 10k | ||
| R30 | 2K2sch | 2.2k | ||
| R31 | 10Ksch | 10k | ||
| R32 | 1Ksch | 1k | ||
| R33 | 1Ksch | 1k | ||
| R34 | 10Ksch | 10k | ||
| Capacitors 9 | ||||
| C2 | 680nsch | 680n | ||
| C3 | 2u2sch | 2.2u | ||
| C7 | 10usch | 10u | ||
| C9 | 22nsch | 22n | ||
| C13 | 30psch | 30p | ||
| C14 | 22nsch | 22n | ||
| C16 | 10usch | 10u | ||
| C17 | 220nsch | 220n | ||
| C8 | 2u2ocr | 2.2u | ||
| Diodes 3 | ||||
| D1 | 1N914sch | 1N914 | ||
| D2 | 1N914sch | 1N914 | ||
| D3 | 1N4148sch | 1N4148 | ||
| ICs 3 | ||||
| IC1 | LM4558ocr | LM4558 | ||
| IC2 | LM4558ocr | LM4558 | ||
| IC3 | LM4558ocr | LM4558 | ||
| Potentiometers 5 | ||||
| Low | B100Ksch | B100k | Potentiometer | |
| Mid | B100Ksch | B100k | Potentiometer | |
| Res | B10Ksch | B10k | Potentiometer | |
| Vol | A10Ksch | A10k | Potentiometer | |
| BAND | C100Kocr | C100k | Potentiometer | |
| Switches 1 | ||||
| SW1 | DPDTocr | DPDT | ||
Other boards based on the Holmes H-X6 Spectrum
- Holmes H-X6 Spectrum Dirtbox Layouts