1971 Kenwood KR-6170: Two mic inputs, two guitar inputs, two hour mechanical timer, spring reverb and footswitch-controlled internal drum machine. : r/vintageaudio
UPGRADED 1971 TRIO KENWOOD KR 6170 JUMBO REVERB RHYTHM RECEIVER FOR SALE - Vintage Hi Fi
MATRIXSYNTH: Kenwood KR-6170 Stereo Receiver with Built In Drum / Rhythm Machine
Kenwood KR-6170 Solid State Stereo AM/FM Receiver with Electronic Rhythm Composer Manual | HiFi Engine