Antique radios, Old Time Radios
EF86
Country:
Worldwide
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Brand:
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Tube type: |
Vacuum Pentode Audio Frequency |
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Identical to |
EF86
= 6CF8
= 6Ж32П
= 6267
= 6BK8
= Z729
= 6F22
= CV2901
|
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?
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Predecessor Tubes |
EF40
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Base |
Noval, 9 pin miniature (USA pico-9) B9A
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series 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.
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Tube prices |
87 Tube prices (visible for members
only)
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EF86: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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 |
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EF86: Collection JR
Jacob Roschy
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EF86: RTT 1974 (Franzis) 13. Auflage
Martin Renz
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EF86: Valvo
Dietrich Grötzer
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from Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1530
Collection of a member from D
Collection of a member from D
Collection of a member from FIN
Collection of a member from USA
Collection of a member from D
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