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I received a pair of these yesterday. $68 shipped from China. Took about a week to get to Florida. They are still settling in. I'm using them in a TRK3488 single ended pentode amp with Electron Valve/Shuguang ST shape 6550's. I have a good collection of old production tubes and these 12AX7's are not embarrassed at all. The box is marked Shu Guang 12AX7-T. Matching data was supplied in the box dated 12/13. I'm not sure if they are the same as the Psvane 12AX7's. I don't have those at this time.I do have both versions of the Psvane 12AT7's which are also excellent.
The II version is a little more lively than the first.Yes, old production can be better and it should be due to the sheer number of variations that were made over the last 60 years. However, these are certainly premium tubes and will not break the bank.
The pic is from the auction site. I saw no need to photograph my box.
Edits: 04/08/14 04/08/14 04/08/14 04/08/14Follow Ups:
have a good collection of old production tubes and these 12AX7's are not embarrassed at all. The box is marked Shu Guang 12AX7-T. Matching data was supplied in the box dated 12/13. I'm not sure if they are the same as the Psvane 12AX7's. I don't have those at this time.
I would imagine they wouldn't be embarrassed knowing the reputation of Shuggie..Those are triple Mica as well.
Honest amplification is better than excessive 2nd order distortion anytime.
I do wonder what is going on with the split between Shuggie and Psvane. Where and on what equipment will Psvane produce tubes?
This is the info we have..
Honest amplification is better than excessive 2nd order distortion anytime.
Thanks. I've seen that and think I understand what's going on but Chinese businesses can be tough to figure out.
...and the prices of new tubes are not at all reasonable any longer, some are even impertinent. meanwhile you better go for old stock tubes, enjoy their performance, relability and stable value...N.
The times, they are changing...
Edits: 04/08/14
I have plenty of old stock Nunki. These tubes are better than many of them.
Edits: 04/08/14
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