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Author Topic: Need MFJ-1312 AC adapter (wall wart) for MFJ-486 Grandmaster II Keyer  (Read 1291 times)
AA4MI
Member

Posts: 5




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« on: December 19, 2013, 10:37:13 AM »

Need an AC adapter (wall wart) MFJ-1312 for my MFJ Grandmaster II
Model MFJ-486 keyer.

Have tried all kinds of adapters but nothing will fit into the very small
power jack.  The manual calls for a 2.5mm subminiature plug
where the tip is positive and the sleeve is negative.

Forever grateful for help.

Carl, AA4MI
aa4mi@arrl.net
 
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KQ6Q
Member

Posts: 988




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« Reply #1 on: December 20, 2013, 01:08:36 PM »

Check your local Radio Shack store - they have a series of plugs in many sizes - take your keyer in and find out which plug fits, and use one of the wall warts you already have, just replace the connector. Or connect the keyer to one of your 12V power supplies, skip the wall wart.
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