Antique radios, Old Time Radios

112A

ID = 3747

Country:

United States of America (USA)

Brand:	Common type USA tube/semicond. Common type USA tube/semicond. CeCo (tubes), C.E. Mfg. Co. Inc.; Providence, RI Kelly Tube Co.; New York, NY Lafayette Radio & TV Corp; New York (NY) Legion (Tube brand); (Where ?) Paramount Radio Tube Co.; Brooklyn, NY Roytron (tubes) - see also Triad Television & Mfg. Co.; Pawtucket, RI Sparton-Cardon Tubes; Jackson MI Speed (Cable Radio Tube) Van Dyke Laboratories; Newark, NJ
Developer:	Westinghouse El. & Mfg. Co. - see also Canadian W.
Tube type:	Triode, vacuum Power/Output

Identical to

112A = UX112A = CX112A = 12A = NX112A = CV1774 = X112A = C-112A = PA112A = DX112A = NU-12A = P112A = GX112A = SLX112A = T-12A_Triad

Similar Tubes

Normally replaceable-slightly different:

C508

Heater different:

112 ; UX112

Predecessor Tubes

UX112

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 =
Description	USA
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	2 Tube prices (visible for members only)
Information source	Taschenbuch zum Röhren-Codex 1948/49


	112A: MK-Röhrentabelle Daniel Consales

112A: Len Arzoomanian collection
Fin Stewart
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112A: Telefunken Werkstattbuch
Wolfgang Bauer

112A: Cunningham Radiotron Manual
Peter Hoddow
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from Just Qvigstad

Usage in Models

2= 1925? ; 1= 1925 ; 5= 1926 ; 5= 1927 ; 2= 1928?? ; 1= 1928? ; 24= 1928 ; 3= 1929?? ; 7= 1929? ; 10= 1929 ; 3= 1930?? ; 4= 1930? ; 6= 1930 ; 2= 1931?? ; 1= 1931 ; 1= 1932?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):77

Literature "Electronics" Vol. 2 No. 5 | 1931-05

Collection of Patrice Zeissloff (F)

Collection of Nikolaus Löwe (D)

Collection of Bruce Morgenstern (CDN)

Collection of Alexander Hofer (A)

Collection of Robert Gillespie (USA)

Forum contributions about this tube

112A

Threads: 1 | Posts: 2

Hits: 2435 Replies: 1 112A (112A)
Hans-Peter Ladwig 27.Apr.06	1 112A (112A) Ein Bild der Röhre ist unter dem Radiomodell 67 des Geräteherstellers Atwater Kent, USA abgelegt. Es handelt sich dabei um die Röhrentype CX 112-A von Cunningham.
Konrad Birkner † 12.08.2014 27.Apr.06	2 112A etc. Hallo Herr Ladwig, Diese Röhre hat etliche Paralleltypen. Bitte bei der Röhre nachsehen, Röhrenbild wurde zur CX112A verschoben Danke.

112A
End of forum contributions about this tube

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112A

Common type USA tube/semicond.