[Amps] SB220 T/R relay substitution

[Gary Ferdinand W2CS]

Tony,

Do the QSK mod anyway.  Rich Measures' one is excellent.  You don't have to
run QSK when you use it...Just run in VOX mode the way you normally do.
But, I guarantee the relays will be quiet!

Gary W2CS



> -----Original Message-----
> From: amps-admin@contesting.com [mailto:amps-admin@contesting.com]On
> Behalf Of Tony Wanschura
> Sent: Thursday, November 14, 2002 11:07 AM
> To: amps@contesting.com
> Subject: [Amps] SB220 T/R relay substitution
>
>
> I own a Heath SB220 which I have modified and improved in many
> ways over the years, but I have never dealt with the slow, noisy
> T/R relay. Does anyone have any experience substituting a relay
> that is quieter and faster than the original?  I know about the
> QSK mods, but I do not want to go that route (I just don't like QSK).
>
> Can anyone recommend a suitable relay? I remember hearing
> somewhere about substituting Matsushita Type "S" or "ST" relays.
> Does anyone know anything about these, and where to get them?
>
> Thanks and 73
>
> Tony
>
>
>
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