Antique radios, Old Time Radios

PT2

ID = 3194

Country:

Great Britain (UK)

Brand:	Common type Great Britain tube/semicond.
Tube type:	Vacuum Pentode Power/Output
	Ca. 1925 up to 1945 rare.

Identical to

PT2 = KT24 = PT2K = VR118

Similar Tubes

Normally replaceable-slightly different:

KT2

First Source (s)

Nov.1931 : Wireless World (The), London (WW, 79) advertisement

Successor Tubes

KT2 NR39 ARP1

Base	Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Was used by	Radio/TV-reception etc.
Filament	Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Description	V_a=V_g2 <150; Typ i_a=9.5mA, I_g2=1.9, V_g1= -4.5, R_load=20k, P_out= 0.5W. Also made with 4 pin base+sidecontact.
Information source	Wireless World (The), London (WW, 79) Nov 1934 - - Manufacturers Literature Osram cat. 1936

PT2: LE
Leif Ekornrod

PT2: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

PT2: osram wireless guide 1931
Giuseppe Antonio Tusini

from Just Qvigstad

Usage in Models

1= 1929 ; 1= 1931 ; 5= 1932 ; 1= 1933?? ; 8= 1933 ; 10= 1934 ; 1= 1935? ; 3= 1935 ; 2= 1936? ; 4= 1936 ; 8= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):44

Collection of Patrice Zeissloff (F)

Collection of Leif Ekornrod (N)

Collection of Peter den Boer (NL)

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