[Amps] SB220

[on4kj]

Hey Pete,

Just explain them what's a cold solder joint, and how it looks like.
To much plasterers and plumbers at work in electronic gear build  with
discrete elements........hi hi.

73's jos on4kj

----- Original Message -----
From: "Pete Smith" <n4zr at contesting.com>
To: "R.Measures" <r at somis.org>; <ka1xo at juno.com>; <zl2aaa at paradise.net.nz>
Cc: "AMPS" <amps at contesting.com>
Sent: Wednesday, November 05, 2003 2:15 PM
Subject: Re: [Amps] SB220


> At 04:57 AM 11/5/03 -0800, R.Measures wrote:
> >***  "This ship is unsinkable".   "This amplifier is unconditionally
> >stable".
> >--  Wait 'till Pete installs a  new pair of tubes.
>
>
> Been there, done that, NOS Eimacs.  No change.  I agree with Rich that
> unconditionally stable is an overstatement -- I probably should have said
> "I've never made it oscillate, and I have tried."
>
> I do think that initial build quality probably has a lot to do with
> people's experience with these amps -- a couple of cold solder joints in
> the wrong places could make a big difference.
>
>
> 73, Pete N4ZR
> The World HF Contest Station Database was updated October 29.
> 2469 stations are listed -- 29 new and over 100 updated.
> Are you current? www.pvrc.org/wcsd/wcsdsearch.htm
>
>
>
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