I'm using them in my Unico, and I prefer them to the stock tubes and the other tubes I've tried(RCA Clear Tops, cryoed Radiotechnique, EH). I have not compared them to earlier Mullards. I bought them from Mr. Stereo here on Audiogon. Since tubes allow you to tailor the sound to suit your ears, why not try them?
Mullard 12au7 cv4003 tubes? any good?
anyone using the mullard 12au7 tubes that are from the late 70's early 80's? Many seem not to like them, but they are easily had at reasonable cost, so I was wondering if there are any more detailed opinions out there. It is for a Unison Unico integrated. Thanks,