[Hallicrafters] SX28 hot & blue 6V6s

[Paul Daulton]

Guido also check your line voltage these days the utilities run the 
line at 125 or higher in some locations. 
110 was the standard when these old receivers were designed. I like to 
run my "oldies" on a variac. All of the comments were approiate. 

Paul k5wms

Quoting Guido <laffitte at prtc.net>:
> The responses indicate that a complete 6V6s circuit component checkup is
> coming up. The monster must come out of the cage yet again. Let me see if I
> have enough time this weekend. I will report the findings. Thanks guys!
>
> 73s
>
> Guido KP4FAR
>
> -----Original Message-----
> From: Carl
> Sent: Thursday, August 25, 2011 9:22 PM
> To: Guido ; hallicrafters at mailman.qth.net
> Subject: Re: [Hallicrafters] SX28 hot & blue 6V6s
>
> Likely leaky input coupling caps putting some positive bias on the grids. 
> That will also take out the transformer. 
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "Guido" <laffitte at prtc.net>
> To: <hallicrafters at mailman.qth.net>
> Sent: Thursday, August 25, 2011 8:40 PM
> Subject: [Hallicrafters] SX28 hot & blue 6V6s
>
>
> > Gents,
> >
> >  It has been a while since my last post but I keep a daily track of this
> > list. My SX28 had its first audio transformer replacement about two years
> > ago with two new audio tubes. These are running hot and with a clear all
> > around bluish glow. They run too hot and I don’t think this is normal
> > although we know that 6V6s tend to run with some extra heat but not this
> > much. I am sure that this has been discussed before but either I missed it
> > or my almost 59 years neurons are being depleted. Opinions will be
> > appreciated. 
> >
> > Best 73s
> >
> > Guido KP4FAR
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Paul Daulton K5WMS
beacon WMS 185.302 khz qrss30/slow 24/7
Jacksonville,Ar 72076
em34wu