I trust that you are a CW operator.
Carl
KM1H
----- Original Message -----
From: "Van K7VS" <wa7fab@cdsnet.net>
To: "Hsu" <hsu4qro@gmail.com>; "Frank T Brady" <franktbrady@comcast.net>
Cc: <amps@contesting.com>
Sent: Monday, April 05, 2010 7:16 PM
Subject: Re: [Amps] Matched set 8122's needed
>I don't know, but can tell you that I had to to eventually replace a bad
> tube in each of the ncl-2000's I was running at the time and I simply
> bought
> a pair for each amplifier at somewhat different times. They certainly
> were
> not matched and they ran hard in the two amps for several years back in
> the
> early seventies and finally sold them with full output according to what
> National said.
>
> I am sure some purist will tell you they must be matched. And lots of
> gobblygook about why, but over the years, I have run a lot of amplifiers
> without worrying about "matching" tubes including the two Alpha's that I
> have now.
> Van K7VS
>
>
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