The Ibanez DE-7 is a pedalboard-friendly digital delay from the Ibanez Tone-Lok series.
A special feature about this, otherwise rather unimpressive appearing, mono pedal is the analog filtering of the echo sound. For a long time, this feature has been absolutely unique.
Apart from that, you will have to forego many things. It does not provide true bypass, no inputs for expression pedal or midi and it also lacks modulation.
Today, the 9V pedal is only available in used condition, but the price is pretty low.
For the analog warmth in the otherwise clear digital sound, the Ibanez DE-7 gets 7 of 10 points on my cult-factor-scale.