On Mon, 5 Mar 2018, Christian Corti wrote:
The EF50 has a Loctal base with eight pins. 5xx is Magnoval. 8x is Noval.
Correction: Loctal with nine pins ;-) How crazy...
Christian
On Sun, 4 Mar 2018, Nico de Jong wrote:
E = 6.3v filament
F = Pentode
5x = B9G base
.. also known as Noval base
No, absolutely not ;-)
The EF50 has a Loctal base with eight pins. 5xx is Magnoval. 8x is Noval.
Christian
> From: William Donzelli
> Germany often gets the short end of the stick when it come to radar
> tech in World War 2
For those who are interested in German radar, there's a good book:
David Pritchard, "The Radar War: Germany's Pioneering Achievement
1904-45", 1989
which
:> The high frequency power tubes were required for better spacial
resolution. My understanding was that major difference between the
German radar and allied was that the Germans had a single trace, like
a time domain reflectometer. The allies had a rotating image that is
similar to what we see on
via
cctalk
Sent: Sunday, March 4, 2018 7:23:13 AM
To: General Discussion: On-Topic and Off-Topic Posts
Subject: Re: EF50 was Re: radar history
Oh sh..l., It was a bit too quick
Apologies...
/Nico
- Original Message -
From: "ANDY HOLT via cctalk"
To: "General Discussion: O
Oh sh..l., It was a bit too quick
Apologies...
/Nico
- Original Message -
From: "ANDY HOLT via cctalk"
To: "General Discussion: On-Topic and Off-Topic Posts"
Sent: Sunday, March 04, 2018 3:52 PM
Subject: EF50 was Re: radar history
>E = 6.3v filament
> F
.. also known as Noval base
/Nico
- Original Message -
From: "ANDY HOLT via cctalk"
To: "General Discussion: On-Topic and Off-Topic Posts"
Sent: Sunday, March 04, 2018 3:52 PM
Subject: EF50 was Re: radar history
>E = 6.3v filament
> F = Pentode
> 5x
E = 6.3v filament
F = Pentode
5x = B9G base
Andy
