[Kenwood] ts 830s

Sat Feb 9 13:34:46 EST 2013

I should make a correction... That's what I have .. a ts-820. However, I just looked up the user manual forthe 830s and the final section is the same ... pair of 6146 finals. So, comment still stands ... use directkeying of the amplifier if your amp has tubes in it.
 > Date: Sat, 9 Feb 2013 13:23:47 -0500
> From: rbethman at comcast.net
> To: kenwood at mailman.qth.net
> Subject: Re: [Kenwood] ts 830s
>> Thanks Ray!
>> I've a TS-820S on shelf. Never dealt with a TS-830S. Memory does not 
> serve well where the changeover occurred.
>> Bob - N0DGN
>> On 2/9/2013 1:18 PM, RAY FRIESS wrote:
> > I have a TS 830. I use direct keying of a 30L-1 by just running a 
> > cable between the two.
> > It uses the 120 volt relay keying...
> >
> > As a general rule, any transmitter with tube finals will use direct 
> > keying. The newer rigs with
> > solid state final sections will require the intermediate relay keying 
> > of an amplifier that uses tubes.
> >
> >
> >
> > > Date: Sat, 9 Feb 2013 12:24:48 -0500
> > > From: rbethman at comcast.net
> > > To: kenwood at mailman.qth.net
> > > Subject: Re: [Kenwood] ts 830s
> > >
> > > How new is the Amplifier? If from the '80s it most likely has
> > > 120VDC/120VAC relay.
> > >
> > > Depends on whom made the amplifier.
> > >
> > > 1) Some have a 12VDC relay inside. That instance will not require such.
> > >
> > > 2) Many have 120VDC/120VAC relay. This indeed requires external relay
> > > with 12VDC/12VAC supply to key the Amplifier, thereby protecting the
> > > TS-830S. My TS-930S is in this category.
> > >
> > > Having said this, I have screwed up and keyed the Amp direct with the
> > > mini din jack. There has been no ill effects. I'm not going to push my
> > > luck! I'm bread-boarding up a Potter & Brumfield [sic} relay @ 12VDC
> > > with an old Rat-Shack transformer. Will use a pair of NO contacts to
> > > key the amplifier.
> > >
> > > Another method would be to build it IN the amplifier and reduce 
> > piles of
> > > extra junque on the bench.
> > >
> > > So many options, so little.....
> > >
> > > Bob - N0DGN
> > >
> > > On 2/9/2013 11:55 AM, w3bj at juno.com wrote:
> > > > Does the TS 830s need a buffer to for keying the newer amplifiers? 
> > I know the older Heathkits did but not sure of the 830.
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