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12AX7 tube alternatives for Jolida JD-100

After using Mullard, Telefunken and Amperex 12AX7s, I've substituted 5751 command series blackplate, 12AU7WA, GE5814 and 6414 Raytheon blackplate, a 12AT7 variant.

I thought the 5751 was nice with lower gain and warmth, but still had grain that smears sound.

The AU7 and its variant was too sterile.

I'm impressed with the 6414. Focused sound, holographic, good bottom to top presentation without being too edgy.

Anyone else tried something like this?
128x128wharfy
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wharfy OP
323 posts
 
Abucktwoeighty-

For $70 and postage I took the plunge. I'll start looking in the mail next week. It's nice getting something other than bills and junk mail.
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abucktwoeighty
1,079 posts
 
I think you'll like these. The Svetlanas I was using lacked good bottom end, so I put down some serious money for the Sylvanias, which really improved pretty much everything. But they brought along some serious bottom end, a little too much for my liking, so I went back to the Svetlanas. I read a post here on A'gon about the TJ Full Musics, and did what you did. I feel they are just as good as the Sylvanias, if not better. They are balanced from top to bottom and sound great! If I remember correctly, they didn't take a real long time to break in. Keep us posted.
jimmymac
98 posts
 
I recently bought a pair of the TJ Full Music 12ax7's for my McIntosh C220 preamp. A significant improvement over the stock tubes. I have about 50 hours on them and they are not coming out of my preamp any time soon. I had tried a pair of Telefunkens and I prefer the TJ Full Music tubes. Very smooth, full-bodied and balanced across the audio spectrum. I have no affiliation with the company and I don't know how they will sound on other equipment but on my McIntosh they sound great.
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