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74-AW 2A5 output (6 pin)

74-AW ; Patterson Radio Corp (ID = 1269733) Radio
74-AW ; Patterson Radio Corp (ID = 2138882) Radio 74-AW ; Patterson Radio Corp (ID = 1269618) Radio
74-AW ; Patterson Radio Corp (ID = 1269619) Radio 74-AW ; Patterson Radio Corp (ID = 1269620) Radio
74-AW ; Patterson Radio Corp (ID = 1269621) Radio 74-AW ; Patterson Radio Corp (ID = 1269622) Radio
74-AW ; Patterson Radio Corp (ID = 1269623) Radio
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74-AW ; Patterson Radio Corp (ID = 2138882) Radio
Patterson Radio Corp: 74-AW [Radio] ID = 2138882 1341x1486
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For model 74-AW 2A5 output (6 pin), Patterson Radio Corp.; Los Angeles
 
Country:  United States of America (USA)
Manufacturer / Brand:  Patterson Radio Corp.; Los Angeles
Year: 1933 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 57 56 58 58 55 2A5 80
Main principle Superheterodyne (common); ZF/IF 262 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 or 220; 250 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Radiomuseum.org Model: 74-AW [2A5 output ] - Patterson Radio Corp.; Los
Material Wooden case
Shape Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
Dimensions (WHD) 13.5 x 18 x 10.5 inch / 343 x 457 x 267 mm
Notes

Covers 575 to 15 meters in 4 bands.  Shortwave bands are labeled in meters on the bandswitch, but shown on the dial only as a 0-100 logging scale.

Band Label Frequency
BC Broadcast 550 - 1500 kHz
SW1 75-200 1.5 - 4 MHz
SW2 30-75 4 - 10 MHz
SW3 15-33 9 - 20 MHz

 

There is also a version using a 59 output tube (7 pins).

Mentioned in Rider's Perpetual, Volume 4 = ca. 1934 and before (Patterson 4-1)

Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.



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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