The MXR Model 113 Digital Delay was one of the very first digital delays to be put into production in the mid 1970's. It is a pretty gnarly sounding early digital delay sounding more like a dirty tape delay.
The dmx15-80s is a true stereo microprocessor controlled digital delay line. Originally designed to meet specifications laid down by the British Broadcasting Corporation for equipment to be supplied to them, it offers two completely independently delayed channels with precisely controlled delay times.
The PCM 42 especially shines on vocals. If you push the input, the limiters on the input really add a distinct character and if you engage the x2 button, this lowers the bandwidth and makes it almost sound like a tape echo.
The Lexicon Model 97 "Super Prime Time" is a major advancement in digital audio equipment. With it you can create, store and recall an unlimited variety of effects which you have programmed, in any sequence you like.
The Boss DE-200 uses analog logarithmic compression and 12 bit quantising system to obtain higher single to noise ratio. It is also provided with three output jacks, two kinds of stereo effects ate selectable.
The DPS-D7 is a digital delay unit equipped entirely with Sony's digital and audio technology at its highest level of sophistication which was released before with the Digital Reverberator, DRE-2000 and MU-R201 and has received much praise.
Designed to meet and exceed the needs of the recording, broadcast, installation and live sound industries, the Klark Teknik DN 7204 Programmable Delay Line is a high quality, 2-input, 4-output configurable audio delay line.