HW-12 tips?

[Randy & Cara Randall]

Hi Eddy,

I forgot in the days of solid state about that little trick of the 100W light bulb.
I used it years ago on my old DX-60A and it worked wonderfully.  I wonder why the
manual did not suggest it?

Thanks,
Randy.

Eddy Swynar wrote:

> Hi Randy...
>
> With a good pair of 6GE5's in the final cage, & everything properly lined
> up, when you speak into the mic (normal level) with a 100-watt light bulb
> dummy load (crude, but effective), the lamp should become SO bright on peaks
> that it makes you believe it'll "pop" at any time...
>
> At least that's the way it is with my HW-12A here...
>
> ~73~ Eddy VE3CUI - VE3XZ
>
> ----- Original Message -----
> From: "Randy & Cara Randall" <crrandal at SEIDATA.COM>
> To: <HEATH at LISTSERV.TEMPE.GOV>
> Sent: Thursday, May 31, 2001 6:30 PM
> Subject: Re: HW-12 tips?
>
> > Hello all and thanks for all the replies.  The consensus is that the
> carrier balance pot
> > is
> > bad ( And from the comments it is a real looser! ) with other parts in the
> balanced
> > modulator a close 2nd.  Most recommend replacing it with a a ten turn pot.
> I have a copy
> > of the alignment
> > section of the manual and a copy of the schematic.  My 2nd question is how
> much power
> > output
> > should I expect with good output tubes realistically?  How much in the
> tune mode?  Also
> > how many
> > microvolts will equal an S-9 on this set?  I know 50 is the usual value,
> but it seems to
> > be off on the low
> > side.  The alignment has been done and the tubes checked and all are
> better than 80%.
> > 73,
> > Randy.
> >
> > Randy & Cara Randall wrote:
> >
> > > Hello.  I have just aquired a HW-12 at the Dayton Hamvention and I
> > > am trying to restore it.  I have a couple of questions.
> > >
> > > Any tricks to aligning the set or the balanced modulator?
> > > What is the usual position of the carrier balance pot?  Mine is full cw
> > > to get the null.  Any common to fail parts?
> > >
> > > Thanks,
> > > Randy KB8ASO
> > >
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