125B · 5 knobs
PedalPCB· PCB024
Abyss
Based on the EarthQuaker Devices The Depths· 9 other boards clone it
- Category
- Vibrato / Chorus· Modulation
- Price
- $10.00in stock
- Tags
- 125B
From the vendor
Overview
The Abyss is a five knob optical vibe unit capable of subtle warble to out right nuttiness. Now you don’t need to be Ed Harris to breathe in the pink goo and hit the deepest parts of the ocean. Just plug in and jam, maybe the glowing creatures will come to you.
Controls
• Voice – Adjusts the midrange focus
• Throb – Controls the low end thump
• Intensity – Controls how subtle or intense the effect is
• Rate – Controls the speed of the effect
• Level – Adjusts the output volume
Details
• Designed for a 125B enclosure with top-mounted jacks
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 52 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 27 | ||||
| R1 | 1M | 1M | ||
| R20 | 3K3 | 3.3k | ||
| R2 | 1M | 1M | ||
| R21 | 2M2 | 2.2M | ||
| R3 | 47K | 47k | ||
| R22 | 15K | 15k | ||
| R4 | 47K | 47k | ||
| R23 | 4K7 | 4.7k | ||
| R5 | 47K | 47k | ||
| R24 | 100K | 100k | ||
| R6 | 22K | 22k | ||
| R25 | 47K | 47k | ||
| R7 | 47K | 47k | ||
| R26 | 100R | 100 | ||
| R8 | 47K | 47k | ||
| R27 | 4K7 | 4.7k | ||
| R9 | 47K | 47k | ||
| R10 | 47K | 47k | ||
| R11 | 100K | 100k | ||
| R12 | 56K | 56k | ||
| R13 | 10K | 10k | ||
| R14 | 100K | 100k | ||
| R15 | 10K | 10k | ||
| R16 | 10K | 10k | ||
| R17 | 220K | 220k | ||
| R18 | 220K | 220k | ||
| R19 | 3K3 | 3.3k | ||
| Capacitors 15 | ||||
| C1 | 100nF | 100n | ||
| C2 | 15nF | 15n | ||
| C3 | 220nF | 220n | ||
| C4 | 100pF | 100p | ||
| C5 | 4.7nF | 4.7n | ||
| C6 | 470pF | 470p | ||
| C7 | 1uF | 1u | ||
| C8 | 1uF | 1u | ||
| C9 | 100uF | 100u | ||
| C10 | 10uF | 10u | ||
| C11 | 1uF | 1u | ||
| C12 | 1uF | 1u | ||
| C13 | 1uF | 1u | ||
| C14 | 47uF | 47u | ||
| C15 | 47uF | 47u | ||
| Diodes 2 | ||||
| D1 | 1N5817 | 1N5817 | ||
| D2 | 5mm | 5MM | ||
| Transistors 2 | ||||
| Q1 | MPSA18 | MPSA18 | ||
| Q2 | MPSA18 | MPSA18 | ||
| ICs 2 | ||||
| IC1 | TL072 | TL072 | ||
| IC2 | TL074 | TL074 | ||
| Potentiometers 4 | ||||
| RATE | B100K | B100k | Potentiometer | |
| THROB | B25K | B25k | Potentiometer | |
| VOICE | B10K | B10k | Potentiometer | |
| LEVEL | A100K | A100k | Potentiometer | |
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