Tuning for max smoke with the Tune & Load controls while watching the grid
current always works for me, at least for triodes. A Pecker also works in
lieu of plain old key down saves the final and the exciter.
Bob W6TR
----- Original Message -----
From: "Gary Patterson" <gpatterson53@hotmail.com>
To: "Dave Weiss" <davidhweiss@gmail.com>; <dpipes@earthlink.net>
Cc: <amps@contesting.com>
Sent: Monday, October 29, 2007 12:46 PM
Subject: Re: [Amps] al 80B Need good tuning procedure.
Please don't take this the wrong way, but have you read the manual? There
is an extensive write up on tune up procedures.
> Date: Mon, 29 Oct 2007 13:28:54 +0000> From: davidhweiss@gmail.com> To:
> dpipes@earthlink.net> CC: Amps@contesting.com> Subject: Re: [Amps] al 80B
> Need good tuning procedure.> > Hello All:> > I think that I have the right
> group to ask this question:> > Being new to tube amps, can someone please
> tell me the right procedure to> tune an AL-80B? I am not new to ham radio,
> just the amp. I have it on a> 240VAC line. I have it connectes via ALC and
> send cables to my 756Pro III.> Should I use the rigs auto tuner on 15M
> when called for? I have a Force 12> C3SS qand an 40M wire dipole on a
> switch.> > I need the initial setup and band to band tweaking procedure. I
> used the> procedure that comes with the amp, but I do not see the results
> (1KW)> anywhere but around the 14,250 initial setting.> > Please help. I
> made it throughh CWSSB but I think I could do better.> > 73> > Dave K3FT>
> > On 10/28/07, D Pipes <dpipes@earthlink.net> wrote:> >> > When my tube
> broke on the 811H I also lost a grid resistor might check> > that> >
> before you kill a new tube. And for what it is worth I have replaced with>
> > a> > set of RF Parts Taylors seem to work great zero problems now that I
> tune> > it> > right <g>> >> > > [Original Message]> > > From: TROY D
> SINGLETON-N5ARK <N5ARK@COMCAST.NET>> > > To: Scott Manthe
> <scott.manthe@gmail.com>; <Amps@contesting.com>> > > Date: 10/28/2007
> 5:12:04 PM> > > Subject: Re: [Amps] al-811 Blowing fuses Like Crazy> > >>
> > > Yeah I was looking at them and they did not look bad and was cheaper>
> > than> > > anywhere else I looked. I was just not sure about Penta being
> that I> > have> > > not heard a lot about the company. But I also read
> that most of the> > tubes> > > are made at the same facotry in China but
> marketed under different names> > > Like RF Parts..> > >> > > I think I am
> going to order a set of the PENTAS and if there is some> > sort> > of> > >
> other problem and one blows at least I wont be out a lot of money.> > >> >
> > Thanks, Troy N5ARK> > >> > > ----- Original Message -----> > > From:
> "Scott Manthe" <scott.manthe@gmail.com>> > > To: "TROY D SINGLETON-N5ARK"
> <N5ARK@COMCAST.NET>> > > Sent: Sunday, October 28, 2007 4:17 PM> > >
> Subject: Re: [Amps] al-811 Blowing fuses Like Crazy> > >> > >> > > >
> Troy,> > > > Actually, I know I said eBay sucks, but the guy on eBay that
> sells> > Penta> > > > 811As is probably OK. RF parts seems pretty
> expensive compared to the> > > > Penta guy.I think he's a ham, too. I
> think you can get a matched set> > of> > 4> > > > for 69.00.> > > >> > > >
> I'm glad you found the problem.> > > >> > > > 73,> > > > Scott, N9AA> > >
> >> > > > TROY D SINGLETON-N5ARK wrote:> > > >> Well I got a broken tube.
> The center tube i am able to rotate about 5> > > >> degrees with it still
> in the holes...Where is the best place to bu a> > set> > > >> of these
> tubes?> > > >>> > > >> Troy> > > >> ----- Original Message -----> > > >>
> From: "Scott Manthe" <scott.manthe@gmail.com>> > > >> To: "TROY D
> SINGLETON-N5ARK" <N5ARK@COMCAST.NET>> > > >> Sent: Friday, October 26,
> 2007 1:31 PM> > > >> Subject: Re: [Amps] al-811 Blowing fuses Like Crazy>
> > > >>> > > >>> > > >>> > > >>> eBay generally sucks. If the guy told you
> it was working, tell him> > you> > > >>> want your money back.> > > >>>> >
> > >>> It sounds like you've either got a short in the tubes, or one of
> the> > > >>> caps/resistors is shorted. Tom Rauch, who used to design amps
> for> > > >>> Ameritron, or one of the other guys who know more than me,
> can tell> > you> > > >>> a little more about exactly what the trouble is.>
> > > >>>> > > >>> If I remember correctly, this shouldn't be too difficult
> a repair.> > > >>>> > > >>> 73,> > > >>> Scott, N9AA> > > >>>> > > >>>
> TROY D SINGLETON-N5ARK wrote:> > > >>>> > > >>>> Greetings All,> > > >>>>>
> > > >>>> I bought a AL-811 on ebay. Nice looking Amp. Well it arrived in
> the> > > >>>> mail and I pluged it in and the first thing happens is fuses
> go to> > > >>>> blowing. (He sent the amp with the tubes still in place
> ;() ..I> > open> > > >>>> the cover and look at the tubes and connectors
> again and everything> > > >>>> seems to be in place. A little up so I
> pushed the tues ack down and> > put> > > >>>> new fuses in. Still blows
> them everytime within about a second. I> > look> > > >>>> over the amp and
> I have never worked on them before. There is a> > little> > > >>>> green
> wire at the back of the amp that has come un-soldiered and is> > > >>>>
> free in the air as in not touching anything...seems the amp is> > arcing>
> > > >>>> right under the middle tue somewhere. Can anyone lead me in the>
> > right> > > >>>> direction.> > > >>>>> > > >>>> Not getting off to a good
> start on amps. this is the 2nd bad one I> > have> > > >>>> got....> > >
> >>>>> > > >>>> 73's> > > >>>> N5ARK> > > >>>>> > > >>>>
> _______________________________________________> > > >>>> Amps mailing
> list> > > >>>> Amps@contesting.com> > > >>>>
> http://lists.contesting.com/mailman/listinfo/amps> > > >>>>> > > >>>>> > >
> >>>>> > > >>> --> > > >>> "If someone has a gun and is trying to kill you,
> it would be> > reasonable> > > >>> to shoot back with your own gun."> > >
> >>>> > > >>> The Dalai Lama, (May 15, 2001, The Seattle Times) speaking at
> the> > > >>> "Educating Heart Summit" in Portland, Oregon, when asked by a
> girl> > how> > > >>> to react when a shooter takes aim at a classmate.> >
> > >>>> > > >>>> > > >>>> > > >>> > > >>> > > >>
> _______________________________________________> > > >> Amps mailing list>
> > > >> Amps@contesting.com> > > >>
> http://lists.contesting.com/mailman/listinfo/amps> > > >>> > > >>> > > >>
> > > > --> > > > "If someone has a gun and is trying to kill you, it would
> be> > reasonable> > to> > > > shoot back with your own gun."> > > >> > > >
> The Dalai Lama, (May 15, 2001, The Seattle Times) speaking at the> > > >
> "Educating Heart Summit" in Portland, Oregon, when asked by a girl how> >
> to> > > > react when a shooter takes aim at a classmate.> > > >> > > >> >
> >> > >> > > _______________________________________________> > > Amps
> mailing list> > > Amps@contesting.com> > >
> http://lists.contesting.com/mailman/listinfo/amps> > >> > > __________
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