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Re: [Amps] Matched Pairs of Tubes

To: amps@contesting.com
Subject: Re: [Amps] Matched Pairs of Tubes
From: Jim Barber <audioguy@charter.net>
Reply-to: audioguy@charter.net
Date: Thu, 18 Nov 2010 16:32:16 -0800
List-post: <amps@contesting.com">mailto:amps@contesting.com>
So does mine... I'm not quite that silly, tho. :-)

73,
Jim N7CXI

On 11/18/2010 7:54 PM, kb5gt@cableone.net wrote:
> I guess I just learned what makes a matched pair of tubes. A guy on fleabay 
> has two
> 4-250A tubes advertised as a matched pair. The ad says that only the 
> filaments have
> been checked. I sent him/her an email asking how they were determined to be a
> matched pair if only the filaments were checked. The reply was that they both 
> had
> the same date code, and that is what makes them a matched pair. Amazing. 
> His/her
> user name had the word audio in it.
>
>
>
> ---- Msg sent via CableONE.net MyMail - http://www.cableone.net
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