>Would it be ok then to just isolate the stock relay from the chassis with
>silicone?
** Yes, but stock relays are too slow for modern radios, because they
cause hot-switching.
>I assume it would still have to be grounded to the chassis in some
>way though.
Yes, through a thin Cu ribbon to prevent sound conduction.
>
cheerz, Don
>
>
>----- Original Message -----
>From: "R. Measures" <r@somis.org>
>To: "Don Knight" <n4dek@triad.rr.com>; "AMPS" <amps@contesting.com>
>Sent: Saturday, December 13, 2003 5:21 AM
>Subject: Re: [Amps] MLA-2500 Relay too loud!
>
>
>> ** A vacuum-relay makes a noticable noise when mounted direct to the
>> chassis due to sound conduction - sort of like the sound-bridge on a
>> violin.
>> - For quieter vacuum-relay mounting see:
>> http://www.somis.org/relay.mtg.html
>> also see:
>> http://www.somis.org/D.a.07B.GIF
>> - Circuitoperation is explained in:
>> http://www.somis.org/QSK922.html
>>
>> >Is it possiable to change out the loud antenna relay in the MLA-2500?
>This
>> >thing just makes way too much noise! Maybe a vacuum relay that would be a
>> >simple replacement?
>> >
>> > Thanks,Don
>> >_______________________________________________
>> >Amps mailing list
>> >Amps@contesting.com
>> >http://lists.contesting.com/mailman/listinfo/amps
>> >
>>
>
>
>
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