[TenTec] Argosy 525/525D mixers and serial numbers revisited

[wa3fiy at radioadv.com]

On 26 Sep 2007 at 15:04, Kevin Purcell wrote:
> 
> So the list of mixers versus serial numbers in now includes yours.
> 
> 525  00721 1496     VE7BGP
> 525  ????? PN ring  KW7CD
> 525  01188 mixer?   WA3FIY
> 525D 01611 ND487C1  N7WIM  (with Argosy front panel)
> 525D 01810 ND487C1? WA3FIY
> 525D 02497 ND487C1  N7WIM  (with Argosy II front panel)
> 
> But we're missing the mixer type in your 525. It would (help) confirm  
> the theory that the 1496 was dropped after S/N 00823 and that the  
> later 525 used a PN diode ring as mentioned in Dretea's article in  
> Ham Radio on Argosymods.
> 
Ok.......here's what I have.  Sorry I did not make it more clear earlier.

525   1096    4 diode mixer (diodes not marked)
525    1188    4 diode mixer MBD101 (I think) diodes
525D   1810    ND487C1 (Argosy II front panel)
525D    2591    ND487C1 (Argosy II front panel)

Hope that helps.  Maybe Kent, N3KB will chime in with the S/N of his Argosy 
II which has an Argosy front panel.

BTW I don't use all those Argosy's.  Two of the 525D's belong to my two 
daughters.  I'm currently updating them with identical mods.   :-)   One of the 
525's is my "beater" rig.  It is all beat up, bent, dinged, scratched, you name 
it.  Really ugly.  No, I didn't that to it.  Bought it that way for about the price of 
a cup of coffee and donut.   But it works just fine.  That's my "throw it in the 
back of the truck" rig.   :-)


73,

-Lee-


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