Thanks Carey,
That's good to know, before throwing money away on a spare that won't fit my
heatsink. The previously posted misinformation has been spread on other forums
and should be corrected.
I'm working on building a GS-35b 160m amplifier into a Heath SB-220 cabinet.
It's my "SB-160" project. I'm slowly getting closer. I have the plate xfmr
rewound (http://www.tinyurl.com/big-xfmr). The transformer should run 3KW
input all day with power to spare. I have plenty of cooling airflow available
as well... 120cfm @ 0.4" SP.
73,
Bryan WA7PRC
On Wed, 18 May 2011, Carey KC5GTT wrote:
> there is a little more difference than that. the heatsink
> on the gs35 is a
> wedge fit with a washer and a nut. while the gs-31 simply
> has a stud and a
> nut. but from there down the are identical. it would be
> handy if the coolers
> would iterchange.
>
> Carey, KC5GTT
>
>
> > The GS-31b and the GS-35b are the same tube except for
> the heat sink which
> > "screws" on. You can remove the heat sink from
> the GS-35b and put it on
> > the GS-31b and then the GS-31b will have 1500 watts
> dissipation instead of
> > 1000 watts.
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