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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 = 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 = GX171A = 71A = CX371A
Similar Tubes
Normally replaceable-slightly different:
  21B ; 38071 ; D171AC ; EX171A ; J71A ; KH-6 ; PA171A ; PT-171A ; U171 ; UX71A_Champon
Other characteristic (electr. data):
  SX371B
Heater different:
  071H ; UX171
Other base and other heater:
  SY171C
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
Tube Lore (II)
uxsockel_7.png UX171A: KoBi
Konrad Birkner † 12.08.2014

Just Qvigstad 		ux171a_data_a.png
UX171A: RCA Receiving Tube Manual RC-10
Heinz Höger
More ...
Usage in Models 4= 1926? ; 29= 1926 ; 6= 1927? ; 48= 1927 ; 1= 1928?? ; 15= 1928? ; 89= 1928 ; 1= 1929?? ; 6= 1929? ; 48= 1929 ; 1= 1930?? ; 12= 1930 ; 1= 1931 ; 2= 1932??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):263

Collection of

Jay Vonderhey (USA)
Bruce Morgenstern (CDN)
Geri Meier (CH)
Pedro Prieto-Castro (E)
Etienne Flemal (B)
Collection of a member from FIN
Karlheinz Fischer (D)
 
ux-171arca_klein.jpg

UX171A
 
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