[ARC5] ATA/ARA?ARC5 compatablity

[WA5CAB at cs.com]

As far as I can recall without re-studying the two manuals, there are only 
two significant differences between the ATA/ARA and the SCR-274-N.  The 
audio in the ATA/ARA is only Lo-Z whereas in the SCR-274-N the early sets were 
only Ho-Z and the later ones were both.  And the Signal Corps didn't buy the 
1.5-3.0 MC receiver or the 2.1-3.0 MC transmitter.

Besides the connector differences, so long as you properly cross-wire the 
12 and 18 wire cables, should work fine so long as you don't want to use a 
remote RF Ammeter.  The series instead of shunt fed B+ to the finals shouldn't 
matter.  If you were going to tie SCR-274-N receivers into the setup, you 
would need to use B-models as the MD07 has only Lo-Z audio.

In a message dated 04/02/2017 20:43:01 PM Central Daylight Time, 
arc5 at mailman.qth.net writes: 
> As far as I know the ATA/ARA stuff is more like or compatible to SCR274 
> than ARC 5.
> There is a guy on Ebay parting out a cobbled together system that uses an 
> MD-7 hooked up to a CBY-52212 tx rack.
>  How's that gonna work?
> I guess it didn't, and that's why he's selling- or the tx units were 
> modified.?
> To paraphrase Forrest Gump: Ebay is like a box of chocolates-you never 
> know what you're going to get...!
> 
> 
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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