Yes, you can deaden the noise somewhat.
I removed the bracket, enlarged the mounting hole, and added a
rubber grommet. Just make sure the grommet is a tight fit on the
relay. This did not eliminate the noise, but it did substantially
reduce it.
Tom - W4BQF
----- Original Message -----
From: "Ken Brown" <ken.d.brown@verizon.net>
To: <tentec@contesting.com>
Sent: Wednesday, March 02, 2005 11:16 PM
Subject: [TenTec] Comparisons of Relay noise in Ten-Tec Amplifiers
> Hi all,
>
> There has been a lot of discussion about the relative noise levels
> of
> relays in Orions and Omni VIs. Some complain that the relays are
> too
> noisy and others say they can barely hear the relay noise in their
> rig.
>
> I am interested in opinions on vacuum relay noise in Ten-Tec
> amplifiers.
> I own two Ten-Tec amplifiers, a Titan 425 and a Hercules II 420.
> They
> both have vacuum relays which appear to be the same type, and the
> vacuum
> relays switch in both amplifiers when operating QSK. My Hercules
> II
> vacuum relay is very quiet, and the Titan vacuum relay is quite
> loud.
> Since the relays appear to be very similar, if not identical, I
> wonder
> if I could quiet the Titan relay down to a noise level similar to
> that
> of the Hercules II, by mounting it differently. Are all Titan 425
> vacuum
> relays loud? I usually wear headphones anyway. When running the
> Hercules
> II I don't have to wear phones. When running the Titan 425 I have
> to
> wear them.
>
> Thanks,
>
> DE N6KB
>
>
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
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