2A5, Tube 2A5; Röhre 2A5 (2A5)

Antique radios, Old Time Radios

2A5

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Vacuum Pentode Power/Output

Tube ID = 2649


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Identical to	2A5 = UZ-2A5 = UZ2A5
Similar Tubes	Normally replaceable-slightly different: 2A5E; 38215 Heater different: 42 Other base and other base diagram: 6F6G
First Series	1932 -- Collector info (Sammler)
First Source (s)	Jun.1933 : -- Collector info (Sammler) 1932 : Communication Receivers
Predecessor Tubes	47 PZ

Base	6-Pin-Base U6A, old, USA (Codex=Kdo)
Filament	Vf 2.5 Volts / If: 1.75 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	The RME 9 Comms receiver is from 1932 and makes use of the 2A5. see Moore, Comm's. Receivers.
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus

M.Sei
Michael Seiffert

Telefunken Werkstattbuch
Wolfgang Bauer

Cunningham Radiotron Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	11= 1931? ; 1= 1931 ; 1= 1932?? ; 19= 1932? ; 14= 1932 ; 12= 1933?? ; 34= 1933? ; 166= 1933 ; 34= 1934?? ; 35= 1934? ; 174= 1934 ; 12= 1935?? ; 10= 1935? ; 83= 1935 ; 4= 1936?? ; 11= 1936? ; 19= 1936 ; 2= 1937?? ; 1= 1937 ; 2= 1938?? ; 4= 1938 ; 1= 1939?? ; 5= 1939 ; 2= 1940?? ; 2= 1940 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 659

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2A5

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