Originally Posted by RiverRatt

You really need to throw a couple of RCA 12AX7As into the mix. For my money, they are magic in a Marshall. If black plates are out of your price range, the early '60s ones with the side getter are great, too. I'm running a couple of them in V1 and V2 and they are superb. These were pulls from an old hi-fi set that I picked up for $20, and were labeled as Sonotone ECC83s.