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
----- Original Message -----
From: "Glen Zook" <gzook@yahoo.com>
To: <amps@contesting.com>; "KC5GTTCarey Lockhart" <kc5gtt@gmail.com>
Sent: Wednesday, May 18, 2011 2:01 PM
Subject: Re: [Amps] PA efficiency
> 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.
>
> Glen, K9STH
>
> Website: http://k9sth.com
>
>
> --- On Wed, 5/18/11, Carey Lockhart, KC5GTT <kc5gtt@gmail.com> wrote:
>
> i was affraid of that. 58.3%. my gs31 2 meter amplifier i use for a
> standby isnt much more efficent than my gs-35 that just croaked. i have
> been using these yu1aw designs. have yet to get the rated operating
> paramters listed. i dont even have a clue where to start. i am wondering
> if there is a more proven design better suited to my skill level. any
> suggestions?
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