HOME ENTERTAINMENT -  MODEL UM-66 

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Type: 4 tube, superheterodyne receiver.
Frequency range: Broadcast band plus two shortwave bands.
Tube lineup: 12BE6  12BA6   12AV6    50B5
Input power:  110 - 125 volts AC or DC
Circa: Mid 1950s
Colours: Available in white or brown cabinets.

Comments:
1) The rear panel is marked 0M  25M and 50 M. This might mean  25 and 50 meter bands.
2) This radio is NOT a Canadian Marconi product. It was made by  Marconi Española S.A. (Telmar); Villaverde of Spain. This was the only place to catalogue this receiver at this time.
3) A half wave, solid state diode, is used in the power supply.
 

UM-66 front view

UM-66 rear view

All photos via Etsy.com

UM66 schematic. Click on thumbnail to enlarge.

 
Contributors or References:

1) Etsy.com

Nov 26/25