Grunow
Model 902 - 1934


A radio like this would have cost around $100 in 1934.
Approximately $1300 in today's dollars

Technical Details
This is a 9 tube Superheterodyne with "Push-Pull" output.
Tube compliment: (3)78's, 37, 85, 6B7, (2)45's, 80
Power: AC (Transformer)
Bands: AM, SW (Police)

View the Schematic

More Pictures

What Was on the Radio in 1934

What Was happening in 1934

 

 
From a 1934 advertising brochure

What was done

1. New veneer around the legs of the cabinet.
2. Refinish sides and top of cabinet.
3. Re-capped.
5. Replaced out-of-spec resistors.
6. Rewound RF and OSC coils.
7. Replace audio interstage transformer.
8. Replace volume control.

 

The station identifier is part of the Si-Lec-Trol tuning aid.

CHASSIS - Front View
Notice that almost everything is shielded!

CHASSIS - Rear View
Notice the rear of the tuner; part of the "Si-lec-trol"
mechanism mentioned in the advertising brochure.