Its about 1/4 inch exposed below the fret board.
I just plug in the cord with 1/4 inch jacks on both ends and plug it into the AMP.
Sounds very good.
I have one of these blenders so I may decide to install that aling with a volum control.
BOB LECH
http://www.guitarfetish.com/GFS-EAP-510-Internal-Microphone-Blender-System_p_6417.html#
Former member of the 12:00 Oclock Skydiving Team 
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