Roland Space echo RE 301

Repair and maintenance

Japan 1974

echo tape
spring reverb
chorus
3 playback heads
continuously adjustable speed
Input sensitivity -20 dB 100 mV 56 kOhms
Input sensitivity -35 dB 17.8 mV 56 kOhms
Input sensitivity -50 dB 3.2 mV 3 kOhms
Output level H -15 dB 88 mV 5 kOhms
Output level M -25 dB 27 mV 1.5 kOhms
Output level L -35 dB 9 mV 0.5 kOhms
Bass tone control at 3.2 mV input 7 - 270 mV at 600 Hz
Treble control at 3.2mV input 7 - 150mV at 6kHz
Echo Mode 1 delay time 40 - 60 - 130 mS
Echo Mode 2 delay time 80 - 120 - 260 mS
Echo Mode 3 delay time 210 - 320 - 720 mS
Echo sound on sound delay time 10 - 15- 35 s
Chorus delay time 2 - 12 ms