HF tuneing

K4KGW k4kgw at MINDSPRING.COM
Thu Apr 13 17:20:48 EDT 2000


Bob, I can't stand it any longer.  Who on earth taught you to spell?  Or
did anyone?

Keith

Bob Meyer wrote:

> I have noticed on my home made AMP using 4 6MJ6tubes,when tunning with
> a dip in plate current.which some one told here ,I got a little more
> grid current.but not to much.when tunning for a peek in output,it
> worksfine.AM using peek for mod.very close to that tunning is a dip in
> grid current.so I tuned for a dip in grid current and AM was even
> betterand had plenty of foward swing. Did any one here use PRO_TEK
> 811A tubes inheath kit?I found them for $15 each from D&C electronics
> in FL. I did try to get SVETLANA 811A but no longer made.There 572B
> tubes are $235 matched quad.OUCH! Working on heath kit Warrior
> now.just rebult power supply.I only have china 811A tubes left.work
> great for testing but not very good tubes. 73'sRobert
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