Is the gigavac GH1 the clone of the Jennings RJ1a or kilovac HC1? if
so, either of those would be an acceptable and possibly superior
substitute. The bigger question is why you have had to replace them
every three years. Properly sequenced so as to avoid hot switching,
they should last many years. I have had Jennings RJ1a relays last
decades in my QSK homebrew amplifiers. I haven't tested the clones,
but the Jennings relay switches in about 2 ms and has no contact
bounce.
Sent from my iPhone
> On Nov 9, 2013, at 3:00 PM, Robert Morris <robrk@nidhog.net> wrote:
>
> Gigavac ? Thought they had Ham pricing.
>
> http://www.gigavac.com/catalog/amateur-radio.html
>
>
>
> On Nov 8, 2013, at 3:41 PM, John wrote:
>
> Need to change out my amp's vacuum T/R relay. QSK and typically lasts three
> years. The OEM is the Gigavac GH-1. Maxgain has them for 79 bucks, new.
> They're not open again till Monday due to Montgomery Hamfest. Anyone else
> have them cheaper?
>
> 73 John W4II
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