Two pairs of NOS La Radiotechnique E188CC vacuum tubes. Both pairs have been burned in for 20 hours and have been play tested in a Schiit Lyr. They both sound awesome! These are extremely rare, fantastic sounding tubes! Price is $190 per pair plus $10 shipping in the US or Canada. Shipping outside US or Canada at cost. Must be shipped via a method that provides tracking, no USPS, no exceptions. Paypal only.