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HiQ-30 Battery

Country:  United States of America (USA)
Manufacturer / Brand:  Hammarlund-Roberts, Inc., 1182 Broadway, New York, NY
Year: 1929 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 22 22 22 12A 12A 71A 71A
Main principle TRF without regeneration; Screengrid 1926-1935
Tuned circuits 6 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker - For headphones or amp.
Power out
from Model: HiQ-30 [Battery] - Hammarlund-Roberts, Inc., 1182
Material Metal case
Shape Chassis only or for «building in»
Notes One dial (primary tuning control knob)
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

All listed radios etc. from Hammarlund-Roberts, Inc., 1182 Broadway, New York, NY
Here you find 11 models, 4 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.