The PL-55 is indeed a phone plug. However, a stock LS-3 has the 3 circuit mic jack installed, hence the requirement for a PL-68.  I believe the BC-342 and 312 have both jacks and one must be careful how the 3 circuit output plugs are wired. The SCR-299 and 399 have interconnects that utilize this "non-standard" configuration.  It all depends how the referenced "WW2 setup" is configured and, indeed, which receiver.. the 312/342 or the R-388.  Anyway.......
Jeep K3HVG

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From: [email protected] <[email protected]> on behalf of MARK DORNEY via MRCA <[email protected]>
Sent: Wednesday, August 28, 2024 7:38:43 PM
To: Doran Platt <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: [MRCA] Cord CD-267 for speaker LS-3
 
       PL-55 is a speaker plug, not a mic plug. PL-68 is the mic plug. They are not interchangeable. Make sure you get a Pl-55 speaker plug, or its equivalent.  

73
Mark D. 
WW2RDO

“In matters of style, float with the current. In matters of Principle, stand like a rock. “.   -   Thomas Jefferson 

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On Aug 28, 2024, at 4:18 PM, Doran Platt via MRCA <[email protected]> wrote:


That cord is a PL-55 (PJ-055B) and a PL-68 3-cond mic plug.  Any 2 conductor rubber covered cable will meet the mark. Might be easier make than to find the nomenclatured cable. If no joy, be glad to put one together for you.  Note that the PL-68 end needs to be confirmed as some LS-3 spkrs have been modified as to connections.
K3HVG Jeep
On 08/28/2024 3:05 PM EDT David Craine <[email protected]> wrote:
 
 
Folks, I’m looking for a cord CD-267 for my WWII display. Does anyone have the cable and willing to sell it?
 
 
73, David Craine
KF0RKT
7853319515 cell
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