[Drake] L-75 output?

[Dave Edwards]

Like others have said..you're gonna kill that L75 running it like that.
I keep mine at about 550 watts output. The fan still comes on, but that
might have
something to do with my SWR!!
...Dave
----- Original Message ----- 
From: "Tony Sokol" <tonysokol at sbcglobal.net>
To: <Drake at mailman.qth.net>
Sent: Sunday, November 28, 2004 6:46 PM
Subject: [Drake] L-75 output?


> Hi Gang,
>     Recently I was fortunate enough to acquire a spotless L-75 amp which
> is one of neatest little amps out there.  This one is definitely a
> keeper.  (Unless I luck into an L-7)   :-)   I do have it wired for 120
> VAC on a very stiff dedicated line.  ( I can get well over 1500 out of
> my 30S-1 on the same line.)  In measuring the the power out of the L-75
> I am seeing almost exactly 1000 watts  on 75 and 40 and more like 750
> watts on 20.  From what I have been able to glean from looking at
> reports on other single 3-500ZG amps this looks pretty typical except
> maybe for the drop off on the 20 meter band.  I am using 100 watts to
> drive it and the plate voltage is a little over 2500 under full load.
>     I am tempted to pick up an RF Parts 3-500ZG to see if things improve
> since I really do not know how this one has been treated.  I know that
> the guy on the other end will never see the difference but I enjoy
> getting get things right up to snuff just for the fun of it.  Also, I
> think my 3-500ZG is a pull since the one pictured in the amp before I
> got it was an Eimac and this one has a graphite plate.   Anyone else
> have experience with single 3-500's along this line?
>
>         73
> Tony - W9JXN
>
>
>
>
> ______________________________________________________________
> Drake mailing list
> Home: http://mailman.qth.net/mailman/listinfo/drake
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:Drake at mailman.qth.net