A matched pair of NOS 1965 Amperex USN-CEP 6922 vacuum tubes. These have been burned in for 20 hours and play tested in a Schiit Lyr, they sound fantastic! These are rare, fantastic sounding tubes! $190.00 plus $10 shipping to 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.