ADMIRAL mod. 4B22

ADMIRAL mod. 4B22
    Characteristics: American radio (USA) year 1953 portable tube powered by batteries or from the network, ferrite antenna. In battery operation it uses a 7.5 volt battery for the filaments and a 67.5 volt battery for the anode. The electrolytic capacitors were replaced, however, inserting the new ones in the old empty container. The photo of the interior is shown below.


Factory Admiral
Model 4B22
Production USA 1953-54
Valves 1R5,1U4,1U5,3V4
Range AM
Supply with batteries and 110 volt (dc or ac) mains see the comment above.
The knobs