Amazon.com: Donner Delay Pedal, Echo Square Digital Multi Delay Guitar Pedal, 7 Effects Digital Analog Tape Mod Sweep Lofi Reverse for Electric Guitar Bass True Bypass : Musical Instruments
Exploration to the origin of the delay : the tape echo | Anasounds
Roland RE-201 Space Echo Tape Delay / Reverb | Reverb
Magnetic Echo tape-like delay and modulation chorus - Keeley