>
>I acquired a HeathKit SB230 amp at the Windsor Hamfest this past weekend.
>Seems to make advertised power (~500 watts into load at 29 mHz). Of course,
>there is a minor problem:
>
>It uses a pair of DowKey relays (-120Vdc) on the back of it for switching.
>I would like to replace these monsters with an internal relay, either an
>oper frame type or I may have to break down and put in a RJ1A and a reed.
>
>Where could I find a 12 volt relay that could handle switching this amp? I
>may butcher the 10 meter position and put it on 6 at some later date so
>comments on this aspect of operation would be welcome as well.
>
We sell a high speed switching parts kit that consists of one Matsushita
RSD-12v RF reed relay and all of the parts for a 3a optoisolator-operated
ECBS. The price is $20 plus one dollar for postage. The RJ1A can be
obtained from Fair Radio for $35. The HSS diagram is on my
Web site.
>
- later, John
- Rich..., 805.386.3734, www.vcnet.com/measures.
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