[R-390] A tale of two IF decks.

[Tom M.]

You didn't comment on the sheet metal differences.

EAC applied for and got approval to re-design certain decks so that they could
be wired easier.

73 Tom N5OFF
--- Philip B Atchley <ko6bb@juno.com> wrote:
> Hello one more.
> Just pulled the IF deck from Dons R-390A.  Even before pulling it I
> "suspected" it was an "older" unit.  It is, it's an early Collins IF
> deck.    
> 
> So, out of curiosity, I put it next to the '67 EAC IF deck from my
> receiver.  There are many observable differences.  
> 
> They are...
> 
> 1.  Most noticeable is the lack of filter trimmers on the Collins unit.
> 
> 2.  The Collins appears to be "neater" in it's construction.  I.E.  The
> cable harness is much neater, point to point wiring is neater also.
> 
> 3.  The Collins has everything coated with that MFP crap which is going
> to make re-capping a tougher job.
> 
> 4.  The EAC deck had nearly all capacitors of the newer type, I.E. Yellow
> Aerovox and metal/glass.  Only one "Brown beauty".  The Collins is full
> of the BBOD's  
> 
> I believe this is an example where I'd take the EAC over the Collins
> every time as it has all the updates.
> 
> 73 de Phil  KO6BB
> Loving home provided for wayward Boatanchor Receivers
> ko6bb@juno.com
> Merced, Central California
> 37.18N  120.29W  CM97sh
> 
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