I have a 3-500Z tube at home that is labeled "Electrical Sample".
73
Jim W7RY
----- Original Message -----
From: "Steve Katz" <stevek@jmr.com>
To: "'2'" <2@vc.net>; <dhearn@ix.netcom.com>; "Richard" <AC5YV@hot.rr.com>;
"AMPS" <amps@contesting.com>
Sent: Friday, October 19, 2001 8:18 AM
Subject: RE: [AMPS] Eimac Mechanical Sample
>
> Could be anything, but in the semiconductor industry, of which I was a
part
> for about 20 years, it was very common to permanently mark anything of
> considerable value which was being carried around by salesmen as
"Mechanical
> Sample. Not for Sale" or something similar, so we could travel back and
> forth across international borders (even between the U.S. and Canada) and
> make it through customs without having to declare these items and fill out
a
> lot of forms. The products were new, right off the production line, and
as
> good as anything else. We were just short-cutting the customs agents.
>
> WB2WIK/6
>
> "Each success only buys an admission ticket to a more difficult
problem." --
> Henry Kissinger
>
> > -----Original Message-----
> > From: 2 [SMTP:2@vc.net]
> > Sent: Friday, October 19, 2001 8:17 AM
> > To: dhearn@ix.netcom.com; Richard; AMPS
> > Subject: Re: [AMPS] Eimac Mechanical Sample
> >
> >
> > >
> > >Hi Richard: I lived in Dallas until 3 years ago. A number of years back
> > >there was a guy there who built and sold a number of linears using 8877
> > >tubes, All of the tubes were marked Mechanical Sample. He told me that
> > >he was trading TI calculators to someone at Eimac for the tubes. He
> > >worked at TI.
> > > My next door neighbor in Fairview was and I believe still is a sales
> > >engineer for Varian. When the sales office in Keystone Park, near TI
> > >closed, he worked out of his home. One day he asked me if I was
> > >interested in some tubes which went to him when the office closed. He
> > >gave me a new 8877 with chimney and socket, and a 3-500z which was
> > >stamped mechanical sample. Inside the box was a set of test data and a
> > >note saying the tube was OK. I believe many tubes are in existence
> > >marked mechanical sample which are good tubes. I have not used the
3-500
> > >but am pretty sure it is a new, first class tube.
> >
> > // The Mechanical Sanples may have been tubes that were slightly out
of
> > spec. but still worked well enough.
> >
> > cheers, Dan
> > >
> > >> Richard wrote:
> > >>
> > >> All, need some help. I have a floor mount Harris amp, huge device
but
> > >> it has served me well. It uses a 4cx1500 of which I have several.
My
> > >> question is I have two 4cx1500A's that are brand new and marked
> > >> "Mechanical Sample" in the same "Red" screen as the words "Eimac
> > >> 4CX1500A".
> > >> Has anyone any knowledge of what these are? I am not going to put
> > >> them in the amp as I suspect they are dummy "Fitting type" tubes
> > >> produced for some reason.
> > >>
> > >> Any help would be appreciated, am I right about the dummy load, or
> > >> since they came from the Harris Factory are they good tubes?
> > >>
> > >> Thanks
> > >>
> > >> Richard
> > >> AC5YV
> > >
> > >--
> > >FAQ on WWW: http://www.contesting.com/FAQ/amps
> > >Submissions: amps@contesting.com
> > >Administrative requests: amps-REQUEST@contesting.com
> > >Problems: owner-amps@contesting.com
> > >
> > >
> >
> >
> > - R. L. Measures, 805.386.3734, AG6K, www.vcnet.com/measures.
> > end
> >
> >
> > --
> > FAQ on WWW: http://www.contesting.com/FAQ/amps
> > Submissions: amps@contesting.com
> > Administrative requests: amps-REQUEST@contesting.com
> > Problems: owner-amps@contesting.com
>
> --
> FAQ on WWW: http://www.contesting.com/FAQ/amps
> Submissions: amps@contesting.com
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>
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