Antique radios, Old Time Radios

24A

ID = 2657

Country:

United States of America (USA)

Brand:

Common type USA tube/semicond.

Common type USA tube/semicond. Amalgamated Wireless Valve Co. Ltd. (AWV); Sydney, NSW Mullard Radio Company (Australia) Ltd.; Sydney Philips Australia Canadian Marconi Co. Ltd. (CMC, Esterline), Marconi's Wireless; Montreal, QC Philips; Eindhoven (tubes international!); Miniwatt Airline, Super-Airline, Wards (tubes) - see also Montgomery Ward; Chicago, IL American Appliance Corporation; Albany, NY Brunswick-Balke-Collender Co. Emperor; (Where ?) Gold Seal Electrical Co., Inc.; New York Greylock Electronics; New York, NY Norelco, North American Philips Co. Inc.; Dobbs Ferry and New York, NY Nu Star Tube Co; Pawtucket, RI (USA) Philco, Philadelphia Stg. Batt. Co.; USA Rad-Tel Tube Company; Newark, NJ Sylvania (Hygrade, GTE, Nilco); Emporium (PA) Triad Television & Mfg. Co.; Pawtucket, RI Van Dyke Laboratories; Newark, NJ

Tube type:

Screen-grid Tetrode RF/IF-Stage

Identical to

24A = UY-24B_Japan = UY24B = 224 = NY224 = UY224A = 424A = 224A = 124 = NU-24A = FY224 = T-24 = PH224A = MY224

Similar Tubes

Other shape (e.g. bulb type):

M24A

Normally replaceable-slightly different:

22AC ; 24 ; 24E ; 38024 ; AC22 ; ASX2240 ; EY624 ; RENS324 ; UY224 ; VT-28

Other class quality (otherwise equal):

CV936

First year

1929 Radios von gestern, 2. Auflage

First Source (s)

1930 : -- Collector info (Sammler)

Predecessor Tubes

Successor Tubes

Base

UY-Base, 5 Pins (USA, April 1927) (Codex=Ha) Top contact with a cap.

Was used by

Radio/TV-reception etc.

Filament

Vf 2.5 Volts / If 1.75 Ampere / Indirect / Specified voltage AC/DC

Tube prices

1 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49

24A: Manuale delle valvole Giuseppe Antonio Tusini
24A: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	24A: Sylvania Technical Manual Peter Hoddow More ...

Usage in Models

4= 1929? ; 21= 1929 ; 3= 1930?? ; 7= 1930? ; 59= 1930 ; 14= 1931?? ; 14= 1931? ; 69= 1931 ; 1= 1932?? ; 13= 1932? ; 27= 1932 ; 2= 1933?? ; 1= 1933? ; 6= 1933 ; 1= 1934?? ; 3= 1934? ; 2= 1934 ; 2= 1935 ; 1= 1936 ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):252

Collection of

24A

Variants

Metal coated cylindrical glass version. Complete name: M24A. The letter "M" appears only on the boxes and enclosed paperwork, not on the tubes. Please klick here: M24A

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