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UX171A

Information - Help 
ID = 3833
       
Country:
United States of America (USA)
Brand:
Developer: General Electric for Brand RCA-Radiotron; Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Power/Output 
Identical to UX171A = 71A = CX371A = T-171A = CX71A = C603_UX = 471A = 57T171A = 4616_WLS = ER71A = 071A = ER171A = AC4 = X-171A = RYB171A = DX-171A = VX171A = AX-171A = T-71A = LS171A = MX171A = JX-171A = SLX171A = RX171A = RayX-171A = TC171A = PR61
Similar Tubes
Normally replaceable-slightly different:
  D171AC ; J71A ; KH-6 ; PA171A
Heater different:
  071H ; UX171
First year 1926 Radios von gestern, 2. Auflage page 244
Predecessor Tubes UX171   71  
Successor Tubes TC171A  

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Description

This tube replaced the UX171 late in 1926, following some developmental work in the previous months.. It has an oxide coated filament. It was originally designed for use in the Brunswick electric phonograph.    

USA: Tube available from November 1926 (0,7 W output). Literature: Tyne, Saga, page 316. Later called 71Aand with an ST14 bulb from 1932

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
x 108 x 45 mm / x 4.25 x 1.77 inch
Weight 47 g / 1.66 oz
Tube prices 1 Tube prices (visible for members only)
Information source Saga of the Vacuum Tube, Tyne   Page 316
- - Manufacturers Literature   The Story of Electronics Development at the GE Co
 
ux-171arca_klein.jpg
UX171A
Geri Meier

 
uxsockel_7.png
UX171A: KoBi
Konrad Birkner † 12.08.2014

 
ux171a_data_a.png
UX171A: RCA Receiving Tube Manual RC-10
Heinz Höger


from Just Qvigstad

Usage in Models 6= 1926? ; 28= 1926 ; 4= 1927? ; 48= 1927 ; 1= 1928?? ; 13= 1928? ; 88= 1928 ; 1= 1929?? ; 5= 1929? ; 45= 1929 ; 12= 1930 ; 1= 1931 ; 2= 1932??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):254


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