Digest for sci.electronics.repair@googlegroups.com - 4 updates in 2 topics

Jon Elson <elson@pico-systems.com>: Apr 26 01:45PM -0500

On Wed, 25 Apr 2018 23:41:18 -0500, Fox's Mercantile wrote:
 
> And because I have way too much free time, I'm configuring five Cisco
> 7940G two-line phones.
 
Well, reading some Asterisk forum messages, I decided to steer away from
any Cisco gear, worried about license issues. There are TONS of other
phone makes that don't want licenses to use gear you have BOUGHT. I'm
using Snom phones, very basic, but do all I need them to do.
 
Jon
Fox's Mercantile <jdangus@att.net>: Apr 26 02:33PM -0500

On 4/26/18 1:45 PM, Jon Elson wrote:
> phone makes that don't want licenses to use gear you have BOUGHT. I'm
> using Snom phones, very basic, but do all I need them to do.
 
> Jon
 
These are the same forums where some self appointed asshole will
tell you that Cisco phones are shit because THEY don't know how
to set them up.
 
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
Jon Elson <elson@pico-systems.com>: Apr 26 09:43PM -0500

Fox's Mercantile wrote:
 
 
> These are the same forums where some self appointed asshole will
> tell you that Cisco phones are shit because THEY don't know how
> to set them up.
 
Well, ANYTHING you read on the internet can be the result of ignorance, or
even a hidden agenda! You have to take that for granted!
 
But, I can usually find useful info on how to get almost anything working
after just a few articles.
 
Jon
"Gareth Magennis" <soundserviceleeds@outlook.com>: Apr 26 08:07PM +0100

"pfjw@aol.com" wrote in message
news:723dd4df-56ae-480d-8492-b353ee8ac80d@googlegroups.com...
 
On Wednesday, April 25, 2018 at 2:21:55 PM UTC-4, Gareth Magennis wrote:
 
> What is it?
 
> Gareth.
 
It is a 'mistake' - pure and simple, nothing exotic at all.
 
"National" as distinct from National Union (NU, later, Philco) was a
rebrander of tubes, and once upon a time, the house brand for a number of
retail tube sellers including Richardson Electronics. Much of their stock
came from surplus, pulls and culls from the actual manufacturers and in
point of-fact sold with no further testing than fitting in the appropriate
box after relabeling.
 
What you have is a tube getting mixed into a lot, scrubbed, painted and
boxed, and sent off into the world with no further thought.
 
Peter Wieck
Melrose Park, PA
 
 
 
************************************
 
 
That starts to make sense.
 
If I have a tube marked 12AT7 in a glass envelope much bigger than any
12A()7 I have ever seen, and that tube produces curves with double the
current expected at all voltages/bias points, then that tube cannot be a
12AT7.
 
 
I didn't know that about the National brand.
Thanks.
 
 
 
Gareth.
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