DigiTech DSP-256XL (documented 1991–1992)
Not much information on the DigiTech DSP-256XL survives. What does exist describes a sturdy, 19-inch rack-width digital effects processor from the early 1990s. A directory listing in DB-Magazine (September 1991, p.64) said it had 21 studio-quality effects, up to four at once, and called it built tough enough for road use. The same listing gave dimensions of 1.75 × 19 × 8.5 inches, a weight of 5.5 lbs, and a price of $439.95.
A review in Recording Engineer (June 1992, p.44) looked at the 256's delay and modulation effects. It called the delays clean, straightforward, and flexible, and said delay combinations are available inside other algorithms. Chorus and flanging work by modulating one leg of a split signal with variable delay and regeneration. Related presets, including "Love Leslie" and "Rotary Organ," give rotating-speaker sounds.
Past those two period sources, almost nothing else is documented. No production dates, service literature, or later collector write-ups have turned up. How the XL fit among DigiTech's other DSP-series processors isn't recorded.
- Type: digital effects processor, 19-inch rack width
- Effects: 21 types, up to 4 simultaneous
- Dimensions: 1.75 × 19 × 8.5 in
- Weight: 5.5 lbs
- Price: $439.95 (1991)
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