Emission Labs 300B XLS. 2 matched quads.

Bought these beauties new a few years ago. Put six hours on all 8 tubes in an Allnic A6000 to hear their sound. That was for an evening, right at six hours total. Then I listened to 2 of them in Coincident Frankensteins for an additional 2 hours. That is all the time these tubes have on them.  They are amazingingly powerful and deliver so much more top and bottom information than the Chinese or Russian tubes I know. My system was never meant for low power amps so they didn't get any real use. They were always meant for resale. Since I sold the Allnic gear, I figured I needed to hear what these tubes did for the Allnic's sound. That is why there is so little time on them. I thought I could sell them with the last pair of A6000's I sold but I was too weak a salesman. I will consider selling a quad or even pairs but the listed price is for four pairs. All matched. As always, please call with any questions. 208-860-9559 .  Steve 

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