[Amps] 4CX250 MSDS SHEET

[Gary Smith]

I've got a beautiful 6166a/7007 RCA Pull which must weigh 8-10 pounds 
that has pink ceramic. A mere 12,000 watts for 95W drive; grid 
driven.

Definitely pink...

Gary
KA1J

> Pete,
>   The only tubes I have seen with pink ceramic is the russian ones
>   that I've bought off of Ebay and from friends.  I have to wonder if
>   the russian ones have BeO?
> 73,
> Mike
> 
> 
> 
> ----- Original Message ----
> From: Pete Smith <n4zr at contesting.com>
> To: mike kendall <ke6cvh at yahoo.com>
> Sent: Tuesday, December 11, 2007 10:04:21 PM
> Subject: Re: [Amps] 4CX250 MSDS SHEET
> 
> Isn't BeO ceramic pink?
> 
> 73, Pete N4ZR
> 
> At 05:26 AM 12/11/2007, you wrote:
> >Hello,
> >  We have a piece of equipment at work with quite a few 4CX250M  
> >  (Mobile 
> > version that is more rugged than the 4CX250R) tubes in the
> > equipment.   I was asked if the ceramic portion of the tube is
> > berrylium oxide or if there is any berrylium oxide in the tubes.  I
> > am fairly certain that is the case but could not find any hard data
> > on the internet to confirm so am asking the group if that is the
> > case.
> >73,
> >Mike
> >
> >
> > 
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