JJ Electronics T-E34L-JJ-MP Vacuum Tube Pentode Matched Pair<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Octal power tube (Max Plate Watts = 25W)， </span></li><li><span class="a-list-item"> The E34L has a slightly higher grid voltage rating (-13.5 to-16.5 vs -10 to -13.5 volts) than the traditional EL34 vacuum tube. </span></li><li><span class="a-list-item"> For the same idle plate current value， the E34L is typically biased with a more negative grid voltage than the EL34 </span></li><li><span class="a-list-item"> This allows the E34L to offer more headroom (later breakup) than the traditional EL34. Available in Singles， Matched Pairs or Matched Quads - please select from list. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DtbnFeL9L.jpg" noproxy>