this old tape delay has just entered my world. and will be looking for a new home.  he’s all broke up and sad. already ive replaced the incomplete-parts-missing direct drive captain motor with a whole new bastard drive system.  the motor is from a radio station cart machine,  the flywheel/captain/bearing assembly is from a 1960 grundig tape recorder. a swiss german japanese kind of party. the electronics  work  and the functionality is there. i need to redesign the speed control circuit of course.  the ec-10 has had internet schtick because its replacement model – the first roland 201 space  echos  – had most all the ec-10 bugs ironed out. therefore they are a better catch ?.  i dont think so. im planning on making whatever mods i can to help it get right up hi fi and further.  even a new neever mixing equalizing output stage.  some record and playback amp fine tuning. a much improved power supply. and some tape path re engineering.