[Amps] al 80B Need good tuning procedure.

[Gary Patterson]

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 at gmail.com> To: dpipes at earthlink.net> CC: Amps at 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 at 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 at COMCAST.NET>> > > To: Scott Manthe <scott.manthe at gmail.com>; <Amps at 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 at gmail.com>> > > To: "TROY D SINGLETON-N5ARK" <N5ARK at 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 at gmail.com>> > > >> To: "TROY D SINGLETON-N5ARK" <N5ARK at 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 at 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 at 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 at contesting.com> > > http://lists.contesting.com/mailman/listinfo/amps> > >> > > __________ NOD32 2622 (20071028) Information __________> > >> > > This message was checked by NOD32 antivirus system.> > > http://www.eset.com> > >> >> >> > _______________________________________________> > Amps mailing list> > Amps at contesting.com> > http://lists.contesting.com/mailman/listinfo/amps> >> _______________________________________________> Amps mailing list> Amps at contesting.com> http://lists.contesting.com/mailman/listinfo/amps
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