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 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 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 = FY224 = T-24 = PH224A = 124 = MY224 = NU-24A

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 / Parallel, (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: A A
Alberto Ammendola

24A: Telefunken Werkstattbuch
Wolfgang Bauer

24A: Sylvania Technical Manual
Peter Hoddow

from Just Qvigstad

Usage in Models

4= 1929? ; 21= 1929 ; 2= 1930?? ; 8= 1930? ; 53= 1930 ; 12= 1931?? ; 12= 1931? ; 69= 1931 ; 1= 1932?? ; 12= 1932? ; 26= 1932 ; 4= 1933?? ; 1= 1933? ; 6= 1933 ; 1= 1934?? ; 2= 1934? ; 2= 1934 ; 2= 1935 ; 1= 1936 ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):241

Collection of Christian Schaufelberger (CH)

Collection of Enrico Puccini (I)

Collection of Otto Frosinn (D)

Collection of Karlheinz Fischer (D)

Collection of Valery Gromov (RUS)

Collection of Vitor Oliveira (P)

Collection of Aldo Patriarca (CH)

Collection of Manfred Fries (CH)

Collection of Ottmar Rollmann (D)

Collection of Giuseppe Antonio Tusini (I)

Collection of Heriberto Tavella (RA)

Collection of Emilio Ciardiello (I)

Collection of Georges Werts (B)

Collection of Danko Tkalec (HR)

Collection of Cristian Wolkenstein (RA)

Collection of George Papaiz (CDN)

Collection of Alberto Ammendola (I)

Collection of Peter den Boer (NL)

Collection of Jean-Jacques Pontigny (F)

Collection of Geri Meier (CH)

Collection of Bruce Morgenstern (CDN)

Collection of Fin Stewart (AUS)

Collection of Michael Gnaedig-Fischer (MEX)

Collection of David Erali (USA)

Collection of Robert Meszaros (H)

Collection of Tor Steinnes (N)

Collection of Benedetto Pirani (I)

Collection of Robert Gillespie (USA)

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