Antique radios, Old Time Radios

EF15


			Tube type:	Vacuum Pentode RF/IF-Stage Controlling (mu)

Tube ID = 328


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Identical to	EF15
Similar Tubes	Heater different: UF15 Other base: EF175
First Series	1950 Tube leaflet collection E.Erb Analysis by original leaflets
Successor Tubes	EF175

Base	German Steel Y8A, 1938
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.45 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	Ua: 250V; Ug2: 100V; Ug1: -2V; Rk: 130 Ohm; Ia: 12 mA; Ig2: 3 mA; S: 6 mA/V; Ri: 500 kOhm Text in other languages (may differ)
Tube prices	1 Tube prices (visible for members only)
Literature	Röhren-Taschen-Tabelle 14.A, (Franzis RTT)


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

MS
Martin Steyer

RTT 1974 (Franzis) 13. Auflage
Martin Renz

Hönger, Röhrentaschenbuch, 1952
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	21= 1950 ; 1= 1951? ; 17= 1951 ; 2= 1952 ; 1= 1956? ; 1= 1956 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 43

No further Information for

EF15

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