[email protected] wrote:
> (Snip)
> 
> 
> The knobs in the bad batch will crack/split with just a slight 
> tightening of their set screws.  That's what I encountered.  I've 
> installed many equipment knobs over the years and was careful to not 
> over tighten the sets screws per Elecraft's instructions.   
> Never-the-less the old ones cracked.  Elecraft replaced them and so far 
> all is well.
> END quote:
> 
> Amazing, does anyone know the serial number range that these brittle knobs 
> were shipped?
> 
> Are we talking about the four identical knobs but not the VFO's?

No, we're talking about the AF/RF gain knobs. The "four identical"
ones don't have set-screws.

     ~Iain / N6ML



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