[CQ-Contest] Repairing Dunestar 600 Filter

iain macdonnell - N6ML ar at dseven.org
Wed Jun 26 14:51:52 EDT 2013

Hi Al,

I blew up a 10m DuneStar a while back. It's pretty obvious where the
failure occurred:


I haven't gotten around to ordering replacement caps yet, so if you do
find a recommended upgrade, please share....


    ~iain / N6ML

On Wed, Jun 26, 2013 at 9:54 AM, Alan Dewey <aldewey at aol.com> wrote:
> Has anyone had experience repairing Dunestar 600 filters?  I have a couple of them and occassionally a band will go out during or after a contest.
> I have sent them back for repair and that works fine but it gets a little costly and inconvenient.
> I suspect the problem is blown caps on particular bands but I can't seem to find the specs for replacement capacitors.
> Specifically, I am wondering if anyone knows the values of the capacitors used in the Dunestar 600 (value, type, and voltage rating) and where I might find them.
> I vaguely recall that there was an upgrade to these caps recommended somewhere.
> Please respond either on or off the list.
> Thanks!
> 73,
> Al, K0AD
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