125B · 1 knobs
Effects Layouts· PEQ052023
Prismatic EQ
Based on the Boss GE-7· 1 other board clones it
- Category
- EQ / Filter
- Controls
- Level
- Price
- $10.00in stock
From the vendor
Based on the Boss GE-7, the PRISMATIC EQ is a 7-band EQ with a master volume control. Instead of slider pots (which are hard to mount) I’ve opted for 9mm pots to keep this circuit in a 125B enclosure. The bass version (GE-7B) can also be built on this board.
The company and product names used in this web site are for identification purposes only and are not affiliated with EFFECTS LAYOUTS, LLC in any way. All trademarks and registered trademarks are the property of their respective owners.
Based on the Boss GE-7
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 64 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 31 | ||||
| R1 | 1M | 1M | ||
| R2 | 10k | 10k | ||
| R3 | 470k | 470k | ||
| R4 | 470Ω | 470 | ||
| R5 | 4.7k | 4.7k | ||
| R6 | 10k | 10k | ||
| R7 | 2.2k | 2.2k | ||
| R8 | 10k | 10k | ||
| R9 | 3.3k | 3.3k | ||
| R10 | 3.3k | 3.3k | ||
| R11 | 1M | 1M | ||
| R12 | 4.7k | 4.7k | ||
| R13 | 470Ω | 470 | ||
| R14 | 1M | 1M | ||
| R15 | 1k | 1k | ||
| R16 | 100k | 100k | ||
| R17 | 820Ω | 820 | ||
| R18 | 82k | 82k | ||
| R19 | 330Ω | 330 | ||
| R20 | 330Ω | 330 | ||
| R21 | 82k | 82k | ||
| R22 | 330Ω | 330 | ||
| R23 | 100k | 100k | ||
| R24 | 330Ω | 330 | ||
| R25 | 100k | 100k | ||
| R26 | 330Ω | 330 | ||
| R27 | 82k | 82k | ||
| R28 | 330Ω | 330 | ||
| R29 | 100k | 100k | ||
| R30 | 33k | 33k | ||
| R31 | 33k | 33k | ||
| Capacitors 26 | ||||
| C6 | 1µ | 1u | ||
| C7 | 15n | 15n | ||
| C8 | 47n | 47n | ||
| C9 | 1µ | 1u | ||
| C10 | 47n | 47n | ||
| C11 | 39n | 39n | ||
| C12 | 2.2n | 2.2n | ||
| C13 | 100n | 100n | ||
| C14 | 3.9n | 3.9n | ||
| C15 | 150n | 150n | ||
| C16 | 8.2n | 8.2n | ||
| C17 | 330n | 330n | ||
| C18 | 15n | 15n | ||
| C19 | 680n | 680n | ||
| C20 | 33n | 33n | ||
| C21 | 1.5µ | 1.5u | ||
| C22 | 56n | 56n | ||
| C23 | 100µ | 100u | ||
| C24 | 100n | 100n | ||
| C25 | 100n | 100n | ||
| C26 | 10µ | 10u | ||
| C1 | 10p | 10p | ||
| C2 | 47n | 47n | ||
| C3 | 15n | 15n | ||
| C4 | 10µ | 10u | ||
| C5 | 220p | 220p | ||
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | ||
| ICs 5 | ||||
| IC1 | 5532 | 5532 | ||
| IC2 | 4558 | 4558 | ||
| IC3 | TL072 | TL072 | ||
| IC4 | TL072 | TL072 | ||
| IC5 | TL072 | TL072 | ||
| Potentiometers 1 | ||||
| LEVEL | B10K | B10k | Potentiometer | |
Other boards based on the Boss GE-7
- BOSS GE-7 Experimentalists Anonymous