Power Amp Tubes

 I'm not sure what these items are supposed to do, but it's a good bet that hey enhance the sound through your amps.  The  power amp tubes  are made available at the website, listed under the link above.  Shopping for your accessories, in the music stores, is quite a trip.  You can find everything by just going online, to this website, and looking at their wide array of merchandise.  Check them out for all your needs.