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Re: QMX 80m-20m, frustration. #qmx


 

Yup, I'd seen the Ruiwaer parts previously but haven't ordered any.
Good to know they work well.
Additional discussion here:? /g/QRPLabs/message/132397
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Jerry,? ?KE7ER
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On Wed, Jan 22, 2025 at 11:50 AM, Greg McCain wrote:

I can vouch for locking screw-ons of 2.5 mm jacks and plugs.

Switchcraft jacks are not TOO pricey but lordy their plugs cost a bunch.

Found some decent 4 pack screw together 2.5mm jack/plug combos on Amazon for about $10 per set. Enter this in the Amazon Search box:

Ruiwaer 4Sets 5.5mm x 2.5mm Male DC Power Plug Connector with Screw Lock Female Panel Socket Mount Adapter Soldering Power Jack Connector and Screw Lock Female Panel Socket Mount AdapterRuiwaer 4Sets 5.5mm x 2.5mm Male DC Power Plug Connector with Screw Lock Female Panel Sockets?

The jacks are panel mounts so had to fiddle those into place and run insulated, short jumpers to the existing barrel connector pads (after removing the OEMs). Also had to enlarge the through holes in the end panels.?
And have to remember to remove the holding nut before removing the applicable end panels on my QMX HB and QDX LB units. I'll be retro fitting my QMX+ soon too.?

I soldered the plugs onto shortish, flexible wire runs with 12 and 9 volt USB C trigger adapters hard wired on the other ends. Pic attached.?
I put BIG '9' or '12'? labels on the cases of the Q's to remind me which adapter to use, but generally just leave the correct power-in cables screwed onto? the Q's.?

Reasonable bumping or jiggling has not caused any? glitches (or worse) so far.?

GREG KI4NVX?

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