Matchstikman
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I am in the middle of a ZP3 war of my own.
And, I saw this post.
And, apparently, Jackson Mark is a bot.
So, I took the OP query and fed it to an AI agent.
This is the AI reply:
Here's what many ZP3 owners have reported:
NOS 12AX7s (RCA black plate, Telefunken smooth plate, Mullard, Amperex Bugle Boy)
Generally provide the biggest sonic differences.
Telefunken: very detailed, quiet, excellent imaging.
Mullard: warmer, richer midrange with fuller bass.
Amperex: open and airy, great soundstage.
RCA black plate: smooth, natural, slightly romantic presentation.
5751 substitutions
Some owners experiment with a 5751 in place of a 12AX7.
It has about 70% of the gain of a 12AX7, so the output level drops a bit.
Some listeners prefer the smoother presentation, while others miss the dynamics.
12AU7 output tube
Rolling this tube tends to make subtler changes than the 12AX7s.
Clear Top RCAs and Mullards are common favorites.
A few tips:
Give the ZP3 time. Many owners say it continues to improve over the first 100–200 hours.
Buy tested NOS tubes from reputable dealers. The ZP3 is quiet enough that noisy tubes are immediately noticeable.
Change one tube at a time. That makes it much easier to hear what each change contributes.
Interesting response.
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Zp3 tube rolling (Read 3243 times)
