Antique radios, Old Time Radios

AD148

ID = 33997

Country:

Germany

Brand:	Siemens; D (S.& Halske / S. Electrogeräte)
Tube type:	Transistor Power/Output

Identical to

AD148

Similar Tubes

Normally replaceable-slightly different:

GFT3108 ; GFT3408 ; GFT3708

Different maximum ratings:

AD139 ; GFT3008

First Source (s)

Mar.1964 : -- Collector info (Sammler)

Predecessor Tubes

TF80/30

Base	SPECIAL TUBEBASE in general
Filament	Solid State
Description	PNP germanium alloy transistor intended as power amplifier / switch in AF applications. - Text in other languages (may differ)
Dimensions (WHD) incl. pins / tip	19 x 31 x 10 mm / 0.75 x 1.22 x 0.39 inch
Weight	4 g / 0.14 oz
Information source	-- Collector info (Sammler) KTT 1969/70


	AD148: Funktechnik 4/66 Egon Strampe

AD148: Sammlung
Karlheinz Fischer

AD148: KTT 1969/70
Günther Stabe † 19.8.20

AD148: Siemens Halbleiter Datenbuch 1965/66
Thomas Günzel

Usage in Models

1= 1962?? ; 12= 1963 ; 1= 1964?? ; 18= 1964 ; 28= 1965 ; 25= 1966 ; 6= 1967?? ; 3= 1967? ; 20= 1967 ; 17= 1968 ; 1= 1969? ; 6= 1969 ; 1= 1970?? ; 8= 1970 ; 1= 1971? ; 1= 1973? ; 1= 1975?? ; 6= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):156

Collection of Günther Stabe † 19.8.20 (D)

Collection of Karlheinz Fischer (D)

Collection of Peter Roggenhofer † 25.4.18 (A)

Collection of Marcello Astolfi (I)

Collection of Glenn Moeller-Holst (DK)

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