DIFFERENCE of GAIN 12AU7 vs 12AT7 vs 12AX7 Preamp Tube comparison shootout

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=zTw_1eTzKiI

In this video I show the difference of gain structures in 3 types of preamp tubes, 12AX7, 12AT7 and 12AU7. There is a difference for sure. I sell tubes on ebay, check out https://www.ebay.com/sch/fadedgypsy/m... • I am using a Crate TV-60 all tube amp and my Turser JT-690 with GFS Hot Vintage pickups.

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