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>
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> 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.> > > >>>> > >
> >>>> > > >>>> > > >>> > > >>> > > >>
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> 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.> > > >> > > >> > >> > >>
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