[Boatanchors] more DX-100 questions for Dummies

[James M. Walker]

Hi Bob,
when you changed the "PA" tubes did you reset the Clamper setting?
That always need touching up when swapping tubes around and the
values for the tubes you put in are different than the 6146s that were
originals. FWIW
Jim
WB2FCN
http://eshop1.chem.buffalo.edu


----- Original Message ----- 
From: "Bob Young" <youngbob53 at msn.com>
To: <boatanchors at mailman.qth.net>; <heathkit at mailman.qth.net>
Sent: Wednesday, February 28, 2007 9:47 PM
Subject: [Boatanchors] more DX-100 questions for Dummies


>I got new power tubes, 6293's which most people seem to think are better 
>6146's and new 1625's and rectifiers, it seems everything was OK except the 
>old power tubes were 6146B's (6146W's). I still can't seem to get over 
>about 100 ma of plate current, I'm wondering if I'm following the manual 
>correctly or misreading it or something. Can someone give me minute 
>directions on the stuff on page 49-51 of the manual especially the grid 
>current and driver plate current. The book is not clear on which scale to 
>use and when, for me anyway. I need the "DX-100 Transmitter Set up for 
>Dummies" I think, probably out of print now though. Everything seems to 
>work well enough on both CW and mic. light bulb seems bright enough 
>especially on voice peaks. I'm getting over 800V plate voltage. When I dip 
>it I always get about 100 ma plate current. I have not used the driver 
>plate current part of the meter for anyhting, the way I read it is to use 
>the final grid current part of the meter to set up the drive as is written 
>in the middle of page 50 as it says to leave it in grid on the preceding 
>page and never says when to use the driver plate current meter. I upgraded 
>to general tonight.
>
> Bob Young
> Millbury, Ma
> KB1OKL/AG
>
>
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