ENTEX Electronics Electronic Singing Machine.
Karaoke Model No. 1820. Entex Electronics Inc. Made in Taiwan. Late
1970s early 1980s.
It incorporates an 8-Track Player and Cassette Tape Recorder.
It also uses the Bucket Brigade Device Echo (BBD ECHO) Power is supplied
by
AC 120 Volts. It also uses 10 D cell batteries, or alternatively 12-15
volts...