via this auction"Univox Electronic Automatic Rhythm Instrument. There is no model number shown on the unit, however, from internet searches it appears to be a Univox SR-55 Super Rhythmer/Korg Mini Pops 3. The serial number of the unit is 730674 and it was made in Japan. Unit is in excellent condition except for the four plastic plugs on the top of the unit. These plugs are used to cover holes that were made to top mount the unit to an electronic organ... The unit is capable of 54 Rhythms - Foxtrot/Swing (36 variations), 4 Rock variations, Ballad, Western, 2 Bossanovas, Tango, Habanera, Rumba, Beguine, Mambo, Cha-Cha, Samba, Baion, and 2 Waltzes. Supplied with the unit is the instruction manual and a foot switch."
