125B · 2 knobs
The Sentient Machine
- Category
- Wah / Envelope
- Controls
- Depth · Rate
- Price
- see vendor
From the vendor
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THE SENTIENT MACHINE
The Sentient Machine is a resonant lowpass filter modulated with an LFO.
It has a couple of different voice settings, a standard wah sound and a unique "jah" vowel sound. At slow speeds it makes a cool spacey sweeping sound reminiscent of a phaser, and at minimum depth and medium speed it almost sounds like a tremolo.
The Sentient Machine prototype
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Acceptera
• PCB available in the shop
• Build document PDF • Stripboard layout PDF (not verified)
DIY kits available from Das Musikding Smallbear Electronics
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 58 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 38 | ||||
| R1 | 1M | 1M | ||
| R28 | 4.7K | 4.7k | ||
| R2 | 1M | 1M | ||
| R29 | 680K | 680k | ||
| R3 | 10K | 10k | ||
| R30 | 100K | 100k | ||
| R4 | 220R | 220 | ||
| R31 | 100K | 100k | ||
| R5 | 10K | 10k | ||
| R32 | 100K | 100k | ||
| R6 | 10K | 10k | ||
| R33 | 68K | 68k | ||
| R7 | 10K | 10k | ||
| R34 | 100K | 100k | ||
| R8 | 10K | 10k | ||
| R35 | 10K | 10k | ||
| R9 | 10K | 10k | ||
| R36 | 10K | 10k | ||
| R10 | 10K | 10k | ||
| R37 | 10K | 10k | ||
| R11 | 10K | 10k | ||
| R38 | 10K | 10k | ||
| R12 | 10K | 10k | ||
| R13 | 220R | 220 | ||
| R14 | 10K | 10k | ||
| R15 | 10K | 10k | ||
| R16 | 10K | 10k | ||
| R17 | 1K | 1k | ||
| R18 | 1K | 1k | ||
| R19 | 10K | 10k | ||
| R20 | 8.2K | 8.2k | ||
| R21 | 47K | 47k | ||
| R22 | 1K | 1k | ||
| R23 | 1K | 1k | ||
| R24 | 10K | 10k | ||
| R25 | 10K | 10k | ||
| R26 | 47K | 47k | ||
| R27 | 33K | 33k | ||
| Capacitors 12 | ||||
| C1 | 47nF | 47n | ||
| C2 | 100nF | 100n | ||
| C3 | 47nF | 47n | ||
| C4 | 150nF | 150n | ||
| C5 | 47nF | 47n | ||
| C6 | 100pF | 100p | ||
| C7 | 100nF | 100n | ||
| C8 | 100uF | 100u | ||
| C9 | 47uF | 47u | ||
| C10 | 2.2uF | 2.2u | ||
| C11 | 100nF | 100n | ||
| C12 | 47uF | 47u | ||
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | ||
| ICs 5 | ||||
| IC1 | TL074 | TL074 | ||
| IC2 | TL074 | TL074 | ||
| IC3 | TLE2074** | TLE2074 | ||
| IC4 | TL062 | TL062 | ||
| U1 | CD4066 | CD4066 | ||
| Potentiometers 2 | ||||
| DEPTH | C5K | C5k | Potentiometer | |
| RATE | B100K | B100k | Potentiometer | |