DigiTech DSP128
Multi Effect Processor



About

DigiTech DSP128 is DigiTech's first digital multi-effector. It's virtually the first digital multi-effector that can cascade up-to-3 effects with multiple effect types.

DigiTech DSP128
DigiTech DSP128 (1987)

DSP128 Overview

16-bit, 20Hz-12kHz.
Stereo in/out.
It has MIDI SysEx and responds to CC.

Though it has no editing knobs, it's very easy to use because of its simple parameter structures. The sound is grungy because of 12kHz limitation, but it gives a unique digital lo-fi taste.

Effect Types

The "Filter" is just a hi-cut filter with coarse parameter settings (the highest is at 12kHz). The delay time is long (up to 1.8s).

Reverb-Delay-Filter
Gate/Reverse Reverb-Filter
Delay-Filter
Chorus-Delay-Filter
Delay-Reverse Reverb-Filter
Reverb-Delay-Chorus
Bounce (time-changing delay)
Stereo Image (sounds like early reflection)

Sound Examples

Here are some .mp3 examples of DSP128.
All sounds are processed with DSP128 only.

Below are examples of DSP128 used with ENSONIQ SQ-R plus 32 voice.

SQ-R Hammer piano (175KB)
Recorded through DSP128, dried (176KB)
DSP128: Bounce (202KB)
DSP128: Gate (176KB)
DSP128: Flanger+Delay (432KB)
DSP128: Chorus+Delay (321KB)
DSP128: Multi-tap Delay+Reverse Reverb (198KB)
DSP128: Stereo Image (175KB)

SQ-R Resonant Transwave (616KB)
DSP128: Reverb+Chorus+Delay (750KB)

Clavinet Recorded through DSP128, dried (399KB)
DSP128: Flanger+Delay (691KB)
DSP128: Gate (397KB)
DSP128: Multi-tap Delay+Reverse Reverb (422KB)

EP Recorded through DSP128, dried (506KB)
DSP128: Chorus+Delay (546KB)
DSP128: Multi-tap Delay+Reverse Reverb (510KB)
DSP128: Room Reverb (499KB)

Transwave Recorded through DSP128, dried (459KB)
DSP128: Delay (464KB)
DSP128: Chorus+Delay (544KB)
DSP128: Reverb (463KB)


Related Models

DigiTech DSP128 plus soon came out after DSP128 with up-to-4 effects cascading.
The competitors at that time might be Roland DEP-5 Chorus+Delay/Reverb unit, but DSP128 exceeded by 3 cascading effects.


Links

DigiTech DSP128 Manual download
DigiTech Turns 20 DSP 128 in DigiTech History
Harmony Central Review




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2. 7. 2006