What brand are these tubes? They're great!

Talk about tubes and their effect on your tone

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Markedman
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What brand are these tubes? They're great!

Post by Markedman » Wed Jun 22, 2016 6:45 pm

These tubes were far and above the loudest, had the most gain and put all other tubes I tried to shame, but what are they? I called the number listed on the tube, 1-888-2amplify, and it was a dead end. I googled all the terms and found nothing useful. I went on different tube store sites and found zip. I'd buy more if I could because they made a startling difference. Made in China.

https://www.flickr.com/photos/100168049 ... ed-public/

https://www.flickr.com/photos/100168049 ... ed-public/
JP2C, Mark llC++ DG, Mark IV-A/B.

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thunda1216
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Re: What brand are these tubes? They're great!

Post by thunda1216 » Wed Jun 22, 2016 9:07 pm

that's a standard Shuguang 12AX7. You can tell from the metal clip holding the paired triodes together along with the triple mica construction. Could be the A or B version. Some are marked A or B on the bottom of the tube, others are not.
When Gibsons are outlawed, only outlaws will have Gibsons

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Markedman
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Re: What brand are these tubes? They're great!

Post by Markedman » Wed Jun 22, 2016 9:42 pm

Thanks for that.
JP2C, Mark llC++ DG, Mark IV-A/B.

bandit2013
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Re: What brand are these tubes? They're great!

Post by bandit2013 » Sat Feb 04, 2017 8:59 am

Mesa used to use those back in the late 80's through the 90's. However, the tubes did not have a round halo getter, it was a square foil getter. Probably my favorite preamp tubes as I still have 10 of them that are in great condition. I use them once in a while.

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