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6BN8

Information - Help 
ID = 3779
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Triode 
Identical to 6BN8
Similar Tubes
Other characteristic (electr. data):
  6BJ8
Heater different:
  8BN8
First Source (s)
24.Oct.1955 : Electron Tube Registration List

Base Noval, B9A (Codex=Ui)
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC
Description

The Noval TwinDiode-Triode 6BN8 has nothing to do w/ the Octal(K8A)TwinDiode-Pentode 6BN8G

 
Text in other languages (may differ)
Tube prices 3 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   
Taschenbuch zum Röhren-Codex 1948/49   
  6bn8.png
  6BN8: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Michael Schlör
 
6bn8_a.jpg
6BN8: scc
Christian Schaufelberger

 
no120_g_1.gif
6BN8: RTT Schwandt
Günther Stabe

 
6bn8_techdat01.png
6BN8: RCA Tube Manual
Peter Hoddow


Usage in Models 31= 1956? ; 1= 1958? ; 32= 1958 ; 45= 1959? ; 3= 1959 ; 6= 1960?? ; 22= 1960 ; 2= 1961? ; 5= 1961 ; 19= 1962? ; 7= 1962 ; 8= 1963? ; 3= 1963 ; 13= 1964? ; 2= 1964 ; 4= 1965?? ; 1= 1965? ; 6= 1965 ; 1= 1966?? ; 1= 1966? ; 3= 1966 ; 3= 1967?? ; 3= 1967 ; 1= 1968? ; 2= 1968 ; 1= 1969?? ; 1= 1970?? ; 1= 1970? ; 2= 1970 ; 1= 1973

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):230


Forum contributions about this tube
6BN8
Threads: 1 | Posts: 3
Hits: 1243     Replies: 2
testing 6BN8 with F W19
Bruno Gandolfo-Canepa
08.Mar.17
  1

Dear Members,

It can be possible test the 6BN8 with the Funke W19?

I have not been able to find the Karte to test the 6BN8 in my W19.

Thanks in advance,

Bruno.

Bernhard Nagel
10.Mar.17
  2

Bruno,

the 6BN8 can be tested with cards no. 1187 (triode section), 1188 (diode 1) and 1189 (diode 2). If you don't have these cards available you can plug the test condition by using the comprehensive book "Das Röhrenmessgerät Funke W19" by Mr. K.F. Müller. All known test cards have been listed there and checked for errors which often happened when Max Funke released cards for the W19 or W20 tube tester.

Please refer to the forum post Prüfkarten zum Röhrenprüfgerät Funke W19, W19S, W18, W20, the second post from Martin Renz has a protected and searchable pdf file for download available.

By typing the card no. or tube type designation in the Acrobat Readers search, you will see at page 340 the 3 needed configurations.

Just plug the pins in the numbered holes of your W19 as stated at the top, put the 6BN8 into the Noval holder. Two values for the anode current are shown: 1.2 and 1.8 mA. The first represents the 40%, the 2nd the 60% value when the "good" field just begins. So the calculated 100% value is 3 mA.

Please double-check your plugged configuration before switching on the W19 to avoid damaging of the tube or the tube tester!

Good luck!

Bruno Gandolfo-Canepa
10.Mar.17
  3

Hello Bernhard,

Thank you so very much for the complete and usefull answer.

Best regards, Bruno.

 
6BN8
End of forum contributions about this tube

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