125B · 14 knobs
Spatialist Reverb
From the vendor
The PedalPCB Spatialist is an FV-1 based digital reverb effect. Select between eight reverb modes.
This project includes the required Arachnid PCB and pre-programmed EEPROM.
Spin FV-1 IC sold separately.
Reverb Modes
• Room
• Hall
• Chamber
• Cavern
• Modulated
• Shimmer
• Pitch Verb
• Touch Reverb
Controls
• Parameter 1
• Parameter 2
• Parameter 3
• Mode – Selects reverb mode
• Mix – Sets the Wet/Dry mix
• Volume – Controls overall output volume
Mode Parameter 1 Parameter 2 Parameter 3
Room Dwell Pre-Delay Dampen
Hall Dwell Pre-Delay Dampen
Chamber Dwell Low High
Cavern Dwell Low High
Modulated Dwell Mod Depth Mod Rate
Shimmer Dwell Shimmer Pitch Shimmer Level
Pitch Verb Dwell Octave Down Octave Up
Touch Reverb Dwell Ducking Sensitivity
Details
• Includes pre-programmed 24LC32A EEPROM
• 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 58 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 22 | ||||
| R1 | 1M | 1M | ||
| R2 | 1M | 1M | ||
| R3 | 1K | 1k | ||
| R4 | 15K | 15k | ||
| R5 | 10K | 10k | ||
| R6 | 100K | 100k | ||
| R7 | 100K | 100k | ||
| R8 | 100R | 100 | ||
| R9 | 15K | 15k | ||
| R10 | 15K | 15k | ||
| R11 | 100K | 100k | ||
| R12 | 100R | 100 | ||
| R13 | 4K7 | 4.7k | ||
| R14 | 10K | 10k | ||
| R15 | 10K | 10k | ||
| R16 | 100K | 100k | ||
| R17 | 100K | 100k | ||
| R18 | 1K | 1k | ||
| R19 | 15K | 15k | ||
| R20 | 15K | 15k | ||
| R21 | 15K | 15k | ||
| R22 | 1K | 1k | ||
| Capacitors 16 | ||||
| C1 | 100n | 100n | ||
| C2 | 470p | 470p | ||
| C3 | 1u | 1u | ||
| C4 | 1n | 1n | ||
| C5 | 10u | 10u | ||
| C6 | 1u | 1u | ||
| C7 | 15p | 15p | ||
| C8 | 1u | 1u | ||
| C10 | 1u | 1u | ||
| C11 | 1u | 1u | ||
| C12 | 2n2 | 2.2n | ||
| C14 | 220p | 220p | ||
| C15 | 1u | 1u | ||
| C16 | 100u | 100u | ||
| C17 | 47u | 47u | ||
| C18 | 47u | 47u | ||
| Diodes 10 | ||||
| D1 | 1N5817 | 1N5817 | ||
| D2 | 1N914 | 1N914 | ||
| D3 | 1N914 | 1N914 | ||
| D4 | 1N914 | 1N914 | ||
| D5 | 1N914 | 1N914 | ||
| D6 | 1N914 | 1N914 | ||
| D7 | 1N914 | 1N914 | ||
| D8 | 1N914 | 1N914 | ||
| D9 | 1N914 | 1N914 | ||
| D10 | 1N914 | 1N914 | ||
| ICs 4 | ||||
| IC1 | TL074 | TL074 | ||
| IC2 | 24LC32A | 24LC32A | ||
| IC3 | FV1 | FV1 | ||
| IC6 | L78L33 | L78L33 | ||
| Crystals 1 | ||||
| X1 | AB38T-32.768KHZ | AB38T-32.768KHZ | ||
| Potentiometers 5 | ||||
| CTRL1 | B100K | B100k | Potentiometer | |
| CTRL2 | B100K | B100k | Potentiometer | |
| CTRL3 | B100K | B100k | Potentiometer | |
| MIX | B10K | B10k | Potentiometer | |
| VOLUME | B100K | B100k | Potentiometer | |