The Musician Network ®

GUITAR SHOP ® - Changing a Faulty 12Ax7 Preamp Tube

Friday, January 13, 2017

In this episode of GUITAR SHOP ®, JC shows us how to do a basic test of what-could-be a faulty 12Ax7 preamp tube & how to change it, if it is "bad" or needing replacement. Take it away, JC! (NOTE: Do NOT attempt this with your amp plugged in! TMN does NOT assume any liability for damages caused from this video! Perform at your own risk!)