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107 Chassis Only

107 Chassis Only; Patterson Radio Corp (ID = 1630587) Radio
 
107 Chassis Only; Patterson Radio Corp (ID = 1630589) Radio
107 Chassis Only; Patterson Radio Corp (ID = 1630307) Radio
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107 Chassis Only; Patterson Radio Corp (ID = 1630307) Radio
Patterson Radio Corp: 107 Chassis Only [Radio] ID = 1630307 719x933
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For model 107 Chassis Only, Patterson Radio Corp.; Los Angeles
 
Country:  United States of America (USA)
Manufacturer / Brand:  Patterson Radio Corp.; Los Angeles
Year: 1937 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 10: 6K7 6L7 6K7 6K7 6G5 6K7 6Q7 6F6 6F6 5X3
Main principle Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
Tuned circuits 9 AM circuit(s)
Wave bands Broadcast plus more than 2 Short Wave bands.
Details
Power type and voltage Alternating Current supply (AC) / 110-125; 220-250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out 6 W (unknown quality)
from Radiomuseum.org Model: 107 Chassis Only - Patterson Radio Corp.; Los
Material Metal case
Shape Chassis only or for «building in»
Notes

This model is a chassis and 8" speaker sold without a cabinet. It was also installed in Patterson models 108 and 109.  It had three bands covering 15 to 550 meters, with an optional band covering 750 to 2300 meters. It is equipped with a tuning eye tube. It as advertised as being "climate proof," with all transformers, coils, and condensers (capacitors) vacuum impregnated. A high fidelity switch broadens the response curves of the intermediate frequency transformers.

This chassis is the same as the 107A chassis except that this chassis has an 8" speaker while the 107A chassis has a 12" speaker.

There is a tube lineup conflict between Riders and a Patterson advertising brochure, with the  Riders showing the rectifier tube as a 4 pin 5X3 while the brochure showing an octal 5Y4G.  Also, the brochure states that all tubes are the new "G" type tubes (6K7G, 6A8G, etc..) while Riders does not show the G tubes in the schematic. The model reflects the Riders tube lineup.

Price in first year of sale 74.50 USD
External source of data Ernst Erb
Source of data Radio Collector`s Guide 1921-1932
Circuit diagram reference Rider's Perpetual, Volume 8 = 1937 and before
Mentioned in The Radio Collector's Directory and Price Guide 1921 - 1965 (Rider's 8-7, 8-8)


All listed radios etc. from Patterson Radio Corp.; Los Angeles
Here you find 111 models, 43 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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