[Hallicrafters] What's the differnce?

[Brent Seres]

Thanks

I found the schematic. Mine has the audio transformer above the chassis, 
attatched to the speaker...but...has the green dial. So...I'm not sure. 
I'll have to look at the other differnces people have mentioned and try 
to figure it out. The radio seems to work great though...and I havnt 
even re-capped it yet. There is some AC noticeable on CW on 15 Meters on 
band 4...maybe the re-capping will help with that. If any one else has 
any ideas, Id be glad to hear them.

Thanks again

Brent
VE3CUS

Wj5mh at aol.com wrote:

>In a message dated 2/21/2005 10:49:15 AM Central Standard Time,  
>bseres at hpedsb.on.ca writes:
>My S40 howerver uses a #80 rectifier...
>__________
> 
>Brent...  I've been looking at the different schematics, too.  I  have an 
>S-40A, and it happens to have an 80 rectifier like the S-40, and not the  5Y3.  I 
>also noticed in my S-40A that someone had tried to fix the BFO  (new parts), 
>but it wasn't working very well.  That's when I discovered  that the BFO was 
>wired like the S-40.  I rewired the circuit as shown  in the S-40A schematic 
>and wow, what a difference.
> 
>At first I thought that my S-40A really wasn't, but the other changes are  
>all there.  Mounting of the audio transformer under the chassis; minor  changes 
>around the 6H6, cathode resistor change at V4; some fixed coupling caps  in 
>the VFO replacing variables, etc.
> 
>I've been able to find all the schematics including the S-40 on Bama.
> 
>73,
>Joe
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