[Hallicrafters] Solid state rectifier and matching 6V6s

Edward B Richards zuu6k at juno.com
Sat Sep 8 17:15:07 EDT 2007


A better way yet is to make a simple voltage reducer for under $20. See
the one on BAMA's home page by K6UUZ.  Thank you.  Ed
 
On Sat, 8 Sep 2007 15:54:34 -0400 "jeremy-ca" <km1h at jeremy.mv.com>
writes:
> Variacs can be pricy especially when you have radios in several 
> rooms. A 
> cheaper alternative is to get a 250' coil of #18 or #20 zip cord and 
> let 
> Isquared R do the work. Getting the input down around 105-108V does 
> wonders 
> for heat reduction.
> 
> Carl
> KM1H
> 
> 
> ----- Original Message ----- 
> From: <lrlayton at cox.net>
> To: "Douglas" <iluznst at yahoo.com>
> Cc: <hallicrafters at mailman.qth.net>
> Sent: Saturday, September 08, 2007 2:32 PM
> Subject: Re: [Hallicrafters] Solid state rectifier and matching 
> 6V6s
> 
> 
> > The Russian made 6V6s (Electro Harmonics  brand) are relatively 
> cheap and 
> > work very well. I have been using a pair in my SX-42 for several 
> years. 
> > They are available from Antique Electronic Supply and others.
> >
> > As for replacing the 5Z3, I prefer to leave things as original and 
> to use 
> > a variac to lower the line voltage. The AC line at my location is 
> around 
> > 123 volts and this is much higher than what these radios were 
> designed 
> > for.
> >
> > If a solid state replacement for the 5Z3 is used, the Radio Daze 
> version 
> > looks like a a good choice because of the current in-rush limiter 
> and 
> > voltage dropping resistance that it comes with.
> >
> > Les Layton
> > Las Vegas, NV
> >
> >
> >
> > ---- Douglas <iluznst at yahoo.com> wrote:
> >> Howdy!
> >>
> >> I've been thinking about replacing the 5Z3 rectifier
> >> with a solid state one from Radio Daze for use in my
> >> SX-16. Anybody have any comments? My main reason for
> >> going this route is to take some load off of the
> >> transformer.
> >>
> >> I also need to get two newer sets of 6V6s, one for the
> >> SX-16 and one for the SX-62. What's the collective
> >> brains best advice on this one. I've looked at AES,
> >> but they seem more suited to high-end amps.
> >>
> >> 73,
> >>
> >> Douglas
> >>
> >>
> >>
> >>
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