PT2399 FX
PT2399 FX
This is a stereo delay audio processor with dual PT2399's per channel and analog switching logic so it can perform delay, reverb, echo, and chorus effects.
It's based on the Electrosmash Time Manipulator design;
this version is controllable via MIDI with manual override dials on the front panel.
See the PT2399 Datasheet for details about the PT2399 Echo Processor IC.
Features:
- Eurorack panel format
- 3.5mm MIDI control input (optional)
- 3.5mm stereo audio line level input
- 3.5mm stereo audio line level output
Design Documents
| Schematic Diagram | Stereo PT2399 Schematic.pdf |
| PCB Gerbers | PT2399_gerbers.zip |
| Mechanical | Reverb PT2399 V2.stl |
| Arduino Code | Arduino.ino |
MIDI control The module responds to MIDI channel 13.
| Control Number | Description |
| 90 | Mode (see below) |
| 91 | FX mix |
| 92 | Echo amount |
| 93 | VCO |
| Mode Number | Description |
| 0 | Off - Outout is muted |
| 1 | Passthru - Original voice is passed through |
| 2 | Delay - audio mixed with delayed audio |
| 3 | Long delay - delay through both chips |
| 4 | Reverb - a mix of original audio and both delay taps |
| 5 | Echo - similar to reverb |
| 6 | Chorus - mixed varying delays |
Build Pictures
