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hcsunshine's picture
Last seen: 4 weeks 1 day ago
Joined: Nov 13 2011 - 4:06pm
akg k550 question

is anyone familiar with the akg k550 headphones? i was wondering how they terminate, in a 3.5mm end or one fourth inch end? it says something abour 3.5 mm to 6.3mm but i didn't know what to make of this. thanks, john 

absolutepitch's picture
Last seen: 2 months 9 hours ago
Joined: Jul 9 2006 - 8:58pm

The 6.3 mm is a rounded-off value in metric system for 1/4-inch in the English system. The conversion is 25.4 mm per inch. That would be 6.35 mm plug.

It's possible that the value is intentionally 6.3 mm instead of 6.35mm to provide some clearance for insertion into the jack. My AKG K140 (old!) headphones has the 1/4-in jack standard, and it measures 6.3 mm plug diameter.

Bill B
Bill B's picture
Last seen: 2 years 11 months ago
Joined: Jul 28 2012 - 1:59pm

The AKG has BOTH sizes.  there's an included adapter so you can use either jack size.

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