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X (10) Arrow knobs

X ; Crosley Radio Corp.; (ID = 840462) Radio X ; Crosley Radio Corp.; (ID = 769130) Radio
X ; Crosley Radio Corp.; (ID = 769132) Radio X ; Crosley Radio Corp.; (ID = 769125) Radio
X ; Crosley Radio Corp.; (ID = 769127) Radio X ; Crosley Radio Corp.; (ID = 769128) Radio
X ; Crosley Radio Corp.; (ID = 769129) Radio X ; Crosley Radio Corp.; (ID = 990354) Radio
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X ; Crosley Radio Corp.; (ID = 840462) Radio
Crosley Radio Corp.;: X [Radio] ID = 840462 933x523
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For model X (10) Arrow knobs, Crosley Radio Corp.; Cincinnati (OH)
Country:  United States of America (USA)
Manufacturer / Brand:  Crosley Radio Corp.; Cincinnati (OH)
Year: 1922 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 4: UV201 UV200 or UV201 UV201 UV201
Main principle TRF without regeneration
Tuned circuits 2 AM circuit(s)
Wave bands Broadcast only (MW).
Power type and voltage Storage and/or dry batteries
Loudspeaker - This model requires external speaker(s).
Power out
from Model: X [Arrow knobs] - Crosley Radio Corp.;
Material Wooden case
Shape Tablemodel, Box - most often with Lid (NOT slant panel).
Dimensions (WHD) 550 x 160 x 220 mm / 21.7 x 6.3 x 8.7 inch
Notes Two dials (primary tuning control knobs). 6 ohm rheos point to the use of UV201s. For UV201As (0.25 A) a higher resistance would be more suitable. This is actually a combination of "Harko Sr." plus "R.F.T.A." plus "Two-Step Amplifier". The model X costs in 1922 only one $ less than if somebody would have bought the three single units. That was a good argument to keep such parts and to buy one or two units more to achieve a better result instead of giving back a unit because of the diffigulties in this time of high sunspot interference when sets without regeneration had poor and only local reception.
Price in first year of sale 55.00 $
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Mentioned in Collector's Guide to Antique Radios 4. Edition

All listed radios etc. from Crosley Radio Corp.; Cincinnati (OH)
Here you find 1672 models, 1004 with images and 1150 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.