[1000mp] SB-220 with Mark V

Sun, 2 Feb 2003 20:44:48 -0800

George:

>     It sounds like you have to retune the input circuit(s) on your SB-220.
> I know it is a pain, but I had mine at 1.5:1 or less on 5 bands

I was thinking about that - many people have written - but I'm wondering if
that would preclude 17 and 12 meters?

> By the way I would use a KD9SV front end saver with the larger relay for
> keying the SB-220.

What is that?  Thanks for your reply.  Tom W6EIJ

----- Original Message -----
From: George & Marijke Guerin <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Sunday, February 02, 2003 7:01 PM
Subject: Re: [1000mp] SB-220 with Mark V

> Dear Tom:
>     It sounds like you have to retune the input circuit(s) on your SB-220.
> I know it is a pain, but I had mine at 1.5:1 or less on 5 bands before I
> sold it an went with an Alpha.  Just a matter of tweaking the cores and
> checking to make sure the capacitors are close to original values.
>     By the way I would use a KD9SV front end saver with the larger relay
for
> keying the SB-220.
>     Good luck,        George        K8GG
>
> ----- Original Message -----
> From: "Thomas Beltran" <[email protected]>
> To: <[email protected]>
> Sent: Sunday, February 02, 2003 6:09 PM
> Subject: [1000mp] SB-220 with Mark V
>
>
> > Late last year, there was a discussion on using older tube linears with
> the
> > MP.  Finally, I installed the Harbach mod - it works fine.  The problem
is
> > with the transceiver - the SWR - is so high that it folds back to 50
> watts -
> > with the antenna tuner in use.  Is anyone successfully using the
> SB-220/221
> > with an MP?  Tom W6EIJ
> >
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