[Top] [All Lists]

Re: [Amps] PA efficiency

To: "Glen Zook" <>, <>
Subject: Re: [Amps] PA efficiency
From: "Carey Lockhart, KC5GTT" <>
Date: Wed, 18 May 2011 17:22:19 -0500
List-post: <">>
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" <>
To: <>; "KC5GTTCarey Lockhart" <>
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:
> --- On Wed, 5/18/11, Carey Lockhart, KC5GTT <> 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? 

Amps mailing list

<Prev in Thread] Current Thread [Next in Thread>