[ARC5] Why is the ARC-5 Tx rack so hard to find?

[Michael Hanz]

On 3/13/2016 12:55 PM, J Mcvey via ARC5 wrote:
> Uh-oh I ASS-U-med that the MT 71 used the same connectors as the 
> FT-226 but may be wired differently. no?

Nope.  Only the antenna relay connector on the rack is interchangeable 
with the 274N connector.  The big 9377 and 9589 12 pin connectors are 
unique to the ARC-5 and has a different pattern than the PL-154.  See 
http://www.ebay.com/itm/221292263013 and 
http://www.ebay.com/itm/141393507749

> I also thought that the BC-451 and cable/plug  config might work with 
> both the BC-456 and the MD-7.

Nope.  Again, the MD-7 and MT-71 use the same 12 pin connector above, 
_and_ the MD-7 also uses a unique 18 pin (9585) connector that has one 
pin in a different location than the PL-153 274N connector.  You can get 
the BC-451 to work with the MD-7 assuming you have the correct 
connectors, but I think you'll need to trace out the wiring a bit to 
make sure the corresponding circuits are correctly supported in that 
non-stock case.

> Got lucky and Ebay steve even had those local operation shorting plugs 
> for the receiver rack.

He is a wonderful resource.

> If I'm wrong please educate me! I have most of the ARC-5 items 
> collected, but I haven't got down to the nitty-gritty yet.
> Do I need to start hunting for more obscure stuff?

It depends on what kind of set you are trying to assemble and how much 
of a hybrid you are satisfied with.  Can you give us an idea?

73,
Mike  KC4TOS

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