Tung-Sol 7581A, Matched Pair (2 tubes)
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li><span class="a-list-item"> 
							This tube is an upgraded version of a 6L6GC
							
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							Has more clean headroom than 6L6GC
							
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							Very minimal noise and microphonics
							
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							Smooth and balanced sound
							
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<img src='http://ecx.images-amazon.com/images/I/411RdBp65qL.jpg'></br>