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RORQ

RORQ ; Grebe, A.H. & Co.; (ID = 232578) RF-Ampl.
RORQ ; Grebe, A.H. & Co.; (ID = 823775) RF-Ampl. RORQ ; Grebe, A.H. & Co.; (ID = 823776) RF-Ampl.
RORQ ; Grebe, A.H. & Co.; (ID = 823777) RF-Ampl. RORQ ; Grebe, A.H. & Co.; (ID = 823778) RF-Ampl.
RORQ ; Grebe, A.H. & Co.; (ID = 823779) RF-Ampl. RORQ ; Grebe, A.H. & Co.; (ID = 823780) RF-Ampl.
RORQ ; Grebe, A.H. & Co.; (ID = 823781) RF-Ampl. RORQ ; Grebe, A.H. & Co.; (ID = 823782) RF-Ampl.
RORQ ; Grebe, A.H. & Co.; (ID = 823783) RF-Ampl. RORQ ; Grebe, A.H. & Co.; (ID = 875612) RF-Ampl.
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RORQ ; Grebe, A.H. & Co.; (ID = 823775) RF-Ampl.
Grebe, A.H. & Co.;: RORQ [RF-Ampl.] ID = 823775 873x933
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For model RORQ, Grebe, A.H. & Co.; Richmond Hill (NY):
1924 Grebe "Clarifier" Grebe developed this RF amp to isolate the regenerative receivers from the antennae system helping to eliminate the feedback circuit from radiating back into the antennae and causing interference in neighboring receivers.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Grebe, A.H. & Co.; Richmond Hill (NY)
Brand
 
Synchrophase
Year: 1924 Category: RF (Radio Frequency-) Amplifier
Valves / Tubes 1: UV201A
Main principle Tuner pre 1926 (not a wave trap)
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage and/or dry batteries
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: RORQ - Grebe, A.H. & Co.; Richmond
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Notes Tuned RF Amplifier.
Price in first year of sale 30.00 $
Collectors' prices  
External source of data Ernst Erb
Source of data Radio Manufacturers of the 1920's, Vol. 2
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
Mentioned in Radio Manufacturers of the 1920s, Vol 1
Literature/Schematics (1) Radio Collector`s Guide 1921-1932


All listed radios etc. from Grebe, A.H. & Co.; Richmond Hill (NY)
Here you find 186 models, 115 with images and 59 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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