I would love some pics ... I'm sure the Ebay'r that i bought from used a
generic pic, mabey from the same lot he has .. but not the one i bought --
which is ok, but i sure don't want one that was used 3X its rated life !!!
Mike
KC7NOA
> From: david***net
> To: patriot****com; amps@contesting.com
> Subject: Re: [Amps] Used tubes
> Date: Tue, 12 Jan 2010 19:02:52 -0500
>
>
> Mike,
>
> I bought 2 supposedly NOS GS35b tubes- they were toast, grids audible
> bouncing around when shook. I didn't have to do that to tell though- the
> USSR radar units used finger-stock to contact the filament & grid rings.
> Both these supposed "NOS" tubes have visable finger-stock marks on them. If
> you like I'll send you photos... it is obvious regardless of how clean the
> anode cooler is. My guess is that these were in for a long time so not sure
> if a short time in use would reveal the same, but there it is FWIW.
>
> 73 Dave N3DB / 8R1DB
>
> ----- Original Message -----
> From: "MIKE DURKIN" <patriot*****com>
> To: "amps fourm" <amps@contesting.com>
> Sent: Tuesday, January 12, 2010 6:51 PM
> Subject: [Amps] Used tubes
>
>
> >
> > Is there a way to tell externally if a tube has been used ... Im guessing
> > not unless it was abused.
> >
> > I just bought a GS-35B.
> >
> > Mike
> > KC7NOA
> >
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