Antique radios, Old Time Radios

EF1

ID = 525

Country:

Netherlands

Brand:	Philips; Eindhoven (tubes international!); Miniwatt
Developer:	Philips; Eindhoven (tubes international!); Miniwatt
Tube type:	Vacuum Pentode Universal

Identical to

EF1 = TEF1 = VF1 = VEF1

Similar Tubes

Heater different:

CF1

First year

Mar.1934 Tube leaflet collection E.Erb Analysis by original leaflets (Bulletin D13)

First Source (s)

Mar.1934 : Philips Bulletin #D13

Successor Tubes

EF7

Base

Europe side contact P8A (Au P, 8SC) (Codex=Sf) Top contact with a cap.

Filament

Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC

Description

Erste Autoradio-Serie in Europa. Philips ab 1934 genannt (März, Philips Bulletin).

Tube prices

1 Tube prices (visible for members only)

Information source

Taschenbuch zum Röhren-Codex 1948/49

EF1: ficha de valvulas Getulio Jimenez-Gomez
EF1: Telefunken Werkstattbuch Wolfgang Bauer More ...	Just Qvigstad	EF1: Telefunken 1935 Robert Schmalstieg More ...

Usage in Models

3= 1934 ; 5= 1935 ; 2= 1936? ; 6= 1936 ; 2= 1938 ; 1= 1946 ; 1= 1947 ; 1= 1948

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21

Literature "Funk" Vol. 12 No. 8 | 1935-04

Collection of

Thomas Lebeth (A)

Wolfgang Bauer (A)

Christian Schaufelberger (CH)

Tomasz Szczesniak (PL)

Klaus Rüdiger (D)

Jacob Roschy (D)

Peter Pfeiffer (D)

EF1

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