Electro-Harmonix 6V6GT Vacuum Tube， Matched Pair<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Beam power tetrode with a specially developed cathode coating， careful alignment of the grid， tri-alloy plate material for flawless performance up to 475 volts. </span></li><li><span class="a-list-item"> Perfect for high plate voltage amplifiers like the Fender Deluxe Reverb. </span></li><li><span class="a-list-item"> Manufactured In Russia </span></li><li><span class="a-list-item"> Matched Pair </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/5167RKjSq-L.jpg" noproxy>