[Heathkit] Screen dropping resistors (was DX-100B on Phone - bad audio distortion /oscillation)

[Rick Poole]

At 12:01 AM 12/16/2011, Don Cunningham wrote:

 >>>>>
>On Heathkit stuff, especially early ones, you just HAVE to remember 
>what everyone is telling you.  Heath bought up TONS of surplus parts 
>in the 40's and 50's and used them in the kits.  The engineers often 
>put odd values, and series'd or paralleled parts to make a circuit work.
<<<<<

Sure, they happened to have a jillion 10K 10W resistors lying around, 
I get it.  But running 11 watts through a 10 watt resistor, 
especially doing it essentially continuously (it's there whenever the 
transmitter is in transmit, including during long, Long, LONG AM 
monologues), and doing it in an environment where there isn't any air 
movement to cool things down (underside of the PA section, very small 
volume and completely closed in with no ventilation), is just plain 
crappy engineering!  I thought Heathkit engineers were better than that.

Rick WA1RKT