Antique radios, Old Time Radios

71A

ID = 3600

Country:

United States of America (USA)

Brand:

Common type USA tube/semicond.

Common type USA tube/semicond. Air Castle - tubes Bond Electric Corp.; Jersey City, NJ Champion Radio Works; Danvers, Massachusetts National Union Radio Corp.; Orange (NJ) Norelco, North American Philips Co. Inc.; Dobbs Ferry and New York, NY Raytheon Mfg. Co.; Cambridge, MA Speed (Cable Radio Tube) Triad Television & Mfg. Co.; Pawtucket, RI Zenith Radio Corp.; Chicago, IL

Tube type:

Triode, vacuum Power/Output

Identical to

71A = UX171A = CX371A = CX71A = UX-71A = ER71A = ER171A = AC4 = X-171A = DX-171A = VX171A = AX-171A = 471A = T-71A = MX171A = NX-71A = 171A = SX171A = JX-171A = SLX171A = RayX-171A = TC171A

Similar Tubes

Other shape (e.g. bulb type):

M71A

Normally replaceable-slightly different:

38071 ; AC-116

First year

Nov.1926 Saga of the Vacuum Tube, Tyne page 316: replaced the UX171

First Source (s)

1927 : -- Collector info (Sammler)

Successor Tubes

45 TC171A

Base	UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by	Radio/TV-reception etc.
Filament	Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Tube prices	4 Tube prices (visible for members only)
Information source	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49

71A: K.H.Fischer
Karlheinz Fischer

71A: Telefunken Werkstattbuch
Wolfgang Bauer

71A: Sylvania Technical Manual
Peter Hoddow

from Just Qvigstad

Usage in Models

1= 1926? ; 3= 1926 ; 65= 1927 ; 1= 1928?? ; 3= 1928? ; 99= 1928 ; 6= 1929? ; 51= 1929 ; 9= 1930?? ; 5= 1930? ; 40= 1930 ; 9= 1931?? ; 1= 1931? ; 16= 1931 ; 4= 1932?? ; 6= 1932? ; 9= 1932 ; 1= 1933?? ; 2= 1933? ; 2= 1934?? ; 1= 1935?? ; 1= 1935? ; 1= 1936?? ; 1= 1938?? ; 1= 1939 ; 1= 1940?? ; 1= 1947 ; 1= 1950?? ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):343

Collection of Christian Schaufelberger (CH)

Collection of Carlos A. Pieroni-García (ROU)

Collection of Otto Frosinn (D)

Collection of Karlheinz Fischer (D)

Collection of Hans-Peter Ladwig (D)

Collection of Jose Antonio Gonzalez-Ruiz (E)

Collection of Massimo Pedrina (I)

Collection of George Papaiz (CDN)

Collection of Klaus Rüdiger (D)

Collection of a member from USA

Collection of Bruce Morgenstern (CDN)

Collection of Fin Stewart (AUS)

Collection of Dillon Heh (USA)

Collection of David Erali (USA)

Collection of Robert Gillespie (USA)

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