Antique radios, Old Time Radios

EF86

ID = 2011

Country:

Worldwide

Brand:

Common type Worldwide tube/semicond.

Common type Worldwide tube/semicond. Tesla; Praha, Bratislava etc. Röhrenwerk "Anna Seghers" Neuhaus a.R., VEB (RWN) RSD (Marke); Frankfurt Siemens (& Halske, -Schuckert Werke SSW, Electrogeräte); Berlin, München Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH Ultron-Elektronik GmbH; München Valvo GmbH, Radioröhrenfabrik; Hamburg Cifté, Oréga-Cifte (Belvu), Compagnie Industrielle Française des Tubes Électroniques; Courbevoie, Paris Thomson-CSF (matériel professionnel); Gennevilliers GEC, General Electric Co Ltd., GENALEX; London Haltron (brand) Mazda = Valve (Tube) brand GB (see also France) MO Valve Co. Ltd.; GB Mullard Radio Valve Co. Ltd.; Pinnacle Electronic Products Ltd.; London Philips; Eindhoven (tubes international!); Miniwatt International (tube brand)

Tube type:

Vacuum Pentode Audio Frequency

Identical to

EF86 = 6CF8 = 6Ж32П = 6267 = 6BK8 = CV2901 = Z729 = 6F22

Similar Tubes

Other class quality (otherwise equal):

CV4085 ; EF86s ; M8195

Heater different:

PF86 ; UF86

Other base and data slightly different:

5879

Multiple differences or of other kind:

CV4086

First year

1954 Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) Trader Sheet GB from June 1954.

First Source (s)

Jan.1954 : -- Original-techn. papers. Could be market introduction?

Aug.1953 : Wireless World (The), London (WW, 79) As possible announcement for manuf. for 1954?

Predecessor Tubes

EF40

Base

Noval, 9 pin miniature (USA pico-9) B9A

Was used by

Radio/TV-reception etc.

Filament

Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC

Description

Lineare (ungeregelte) NF-Pentode. Meistens in NF- Verstärkern eingesetzt. Ausnahme für Radios: (z.B.) Saba Meersburg Automatik 7 und Freiburg automatik 7 von 1956.

Tube prices

87 Tube prices (visible for members only)

EF86: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus †
EF86: RTT 1974 (Franzis) 13. Auflage Martin Renz More ...	Just Qvigstad	EF86: Valvo Dietrich Grötzer More ...

Usage in Models

1= 1954?? ; 5= 1954? ; 5= 1954 ; 35= 1955?? ; 11= 1955? ; 43= 1955 ; 28= 1956?? ; 24= 1956? ; 92= 1956 ; 8= 1957?? ; 28= 1957? ; 100= 1957 ; 25= 1958?? ; 52= 1958? ; 149= 1958 ; 16= 1959?? ; 54= 1959? ; 137= 1959 ; 80= 1960?? ; 29= 1960? ; 85= 1960 ; 7= 1961?? ; 24= 1961? ; 78= 1961 ; 18= 1962?? ; 32= 1962? ; 76= 1962 ; 10= 1963?? ; 16= 1963? ; 59= 1963 ; 8= 1964?? ; 8= 1964? ; 52= 1964 ; 31= 1965?? ; 14= 1965? ; 34= 1965 ; 6= 1966?? ; 4= 1966? ; 23= 1966 ; 4= 1967?? ; 3= 1967? ; 26= 1967 ; 6= 1968?? ; 3= 1968? ; 9= 1968 ; 1= 1969?? ; 7= 1969? ; 5= 1969 ; 18= 1970?? ; 1= 1970? ; 2= 1971 ; 2= 1972?? ; 1= 1972 ; 1= 1973 ; 1= 1975?? ; 1= 1975? ; 1= 1977?? ; 1= 1979?? ; 1= 1980?? ; 1= 1984 ; 1= 1990 ; 1= 9999?? ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1606

Collection of

Karlheinz Fischer (D)

Jacob Roschy (D)

Klaus Rüdiger (D)

Tom Antal (AUS)

Collection of a member from D

Collection of a member from USA

Jose Luis Villabona Horreo (E)

Marcello Astolfi (I)

Collection of a member from FIN

Christian Schaufelberger (CH)

Bekir Yurdakul (F)

Karl - Heinz Bossan (D)

Danko Tkalec (HR)

Jacky Parmentier (F)

Peter Löytynoja (FIN)

Karl-Heinz Entrich † 7.21 (D)

Collection of a member from D

Marco Lagendijk (NL)

David Erali (USA)

George Papaiz (CDN)

Götz Linss † 27.06.21 (D)

Hermann Fleischanderl (A)

Collection of a member from D

Patrice Zeissloff (F)

Georges Werts (B)

Stig Comstedt (S)

Tomasz Szczesniak (PL)

EF86

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