Enclosure not stated · 3 knobs
Bloodstone Phase Shifter
Based on the Electro-Harmonix Bad Stone· 1 other board clones it
- Category
- Phaser
- Price
- $13.99in stock
From the vendor
A vintage model recreation of the EHX Bad Stone Phaser. The project includes true bypass switching, the auto/manual switch and of course the phase/vibrato switch of the old unit. We have added a clean boost on the output along with 2 individual internal trimmers so the volume of each mode (Phaser/Vibrato) can be tailored to preference.
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 87 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 55 | ||||
| R35 | 4k7 | 4.7k | ||
| R1 | 150R | 150 | ||
| R36 | 27k | 27k | ||
| R2 | 4k7 | 4.7k | ||
| R37 | 27k | 27k | ||
| R3 | 10k | 10k | ||
| R38 | 470R | 470 | ||
| R4 | 82R | 82 | ||
| R39 | 10k | 10k | ||
| R5 | 4k7 | 4.7k | ||
| R40 | 2k7 | 2.7k | ||
| R6 | 330R | 330 | ||
| R41 | 27k | 27k | ||
| R7 | 100k | 100k | ||
| R42 | 27k | 27k | ||
| R8 | 2k7 | 2.7k | ||
| R43 | 6k8 | 6.8k | ||
| R9 | 2k2 | 2.2k | ||
| R44 | 6k8 | 6.8k | ||
| R10 | 4k7 | 4.7k | ||
| R45 | 10k | 10k | ||
| R11 | 510R | 510 | ||
| R46 | 15k | 15k | ||
| R12 | 4k7 | 4.7k | ||
| R47 | 100k | 100k | ||
| R13 | 4k7 | 4.7k | ||
| R48 | 27k | 27k | ||
| R14 | 4k7 | 4.7k | ||
| R49 | 100k | 100k | ||
| R15 | 27k | 27k | ||
| R50 | 47R | 47 | ||
| R16 | 27k | 27k | ||
| R51 | 100k | 100k | ||
| R17 | 27k | 27k | ||
| R52 | 1M | 1M | ||
| R18 | 4k7 | 4.7k | ||
| R53 | 2M2 | 2.2M | ||
| R19 | 4k7 | 4.7k | ||
| R55 | 10k | 10k | ||
| R20 | 4k7 | 4.7k | ||
| R56 | 390R | 390 | ||
| R21 | 3k3 | 3.3k | ||
| R22 | 510R | 510 | ||
| R23 | 27k | 27k | ||
| R24 | 27k | 27k | ||
| R25 | 10k | 10k | ||
| R26 | 10k | 10k | ||
| R27 | 1k | 1k | ||
| R28 | 4k7 | 4.7k | ||
| R29 | 470R | 470 | ||
| R30 | 4k7 | 4.7k | ||
| R31 | 1k | 1k | ||
| R32 | 4k7 | 4.7k | ||
| R33 | 4k7 | 4.7k | ||
| R34 | 4k7 | 4.7k | ||
| Capacitors 17 | ||||
| C11 | 47n | 47n | ||
| C12 | 47n | 47n | ||
| C13 | 1u | 1u | ||
| C14 | 100n | 100n | ||
| C15 | 100n | 100n | ||
| C16 | 470u | 470u | ||
| C17 | 100n | 100n | ||
| C1 | 47n | 47n | ||
| C2 | 100n | 100n | ||
| C3 | 100u | 100u | ||
| C4 | 47n | 47n | ||
| C5 | 470n | 470n | ||
| C6 | 47n | 47n | ||
| C7 | 47n | 47n | ||
| C8 | 10u | 10u | ||
| C9 | 47n | 47n | ||
| C10 | 1u | 1u | ||
| Diodes 2 | ||||
| D1 | 1n914 | 1N914 | ||
| D3 | 1N5817 | 1N5817 | ||
| Transistors 2 | ||||
| Q1 | 2n5088 | 2N5088 | ||
| Q2 | 2n5088 | 2N5088 | ||
| ICs 6 | ||||
| IC1 | NJM4558 | NJM4558 | ||
| IC2 | NJM4558 | NJM4558 | ||
| IC3 | NJM4558 | NJM4558 | ||
| IC4 | NJM4558 | NJM4558 | ||
| IC5 | CD4009UBE* | CD4009UBE | ||
| IC6 | LM324 | LM324 | ||
| Potentiometers 3 | ||||
| RATE | 1MC | C1M | Potentiometer | |
| FDBK | 100KB | B100k | Potentiometer | |
| MANUAL | 100KB | B100k | Potentiometer | |
| Trimmers 2 | ||||
| TRIM1 | 100K | 100k | Trimmer | |
| TRIM2 | 100K | 100k | Trimmer | |
Other boards based on the Electro-Harmonix Bad Stone
- Electro Harmonix Bad Stone Dirtbox Layouts