12AX7A / ECC83 RCA
These desirable 12AX7 are arguably the best sounding US made tubes available. If you are looking for the best tone for your gear, then the RCA 12AX7 is the tube to get. These are getting extremely hard to find. Our stock is guaranteed NOS - never used and in original boxes.Please Note: Our current stock is all older black plate versions. They are the best of the best and therefore cost more. We most likely won't see any more of these.