JJ Electronics T-12AX7-S-JJ Amplifier Tube

Works exactly as it should! My amp now sounds brighter, clearer and is more responsive to my playing technique. Excellent tube! Considering 6L6 JJ's for the power amp tubes now!

GREAT sellers!!!! Fine product!!!! Tubes still rock in guitar-amps!

I have a bass preamp that came with a fairly generic tube. That tube seemed to distort and sound farty when pushed. This tube has a much more even tone and sounds way more smooth. Theresa nice warmth and fatness to it. I don’t have a huge budget and if you’re like me, definitely buy it. Well worth the small price tag.

Spot on!!! My Genz Benz Bass Amp sounds wonderful again. Thank You so much! Definitely will spread the word to all my Musician friends!

Great tube choice for the V2 and V3 spots in a Fender Blues Jr. or similar amp. This tube is articulate, well-balanced, and provides pleasant, round low midrange response. In the V1 spot, it's a bit dry and can get shrill in the treble frequencies, yet not as much as similar Tung-Sol or Groove Tube alternatives. Overdrive is soft and natural with decent harmonics, yet it sounds a bit "boxy." Great and reliable option, though better alternatives are available for the V1 slot.

No problems works well

Hot rod deluxe 97 still had the factory fender marked tubes. It's clean sound and the overdrive was too Icepickky. I just didn't like the sound it was making anymore. Tried changing the knobs but it was not where I wanted to be sound wise. I bought this tube for the overdrive channel because some forum blogs said their over driven channel sounded much better to them with this tube in v2 . Also bought 2 other tube to try a selection of tubes some people gave positive comment on . I put JJ 12DW7 in v2 and put a 12AX7EH in V1 I wasn't that impressed. It was better. Still a little sharp on both channels little chimey. They didn't really help the clean channel that much. Tried a t-12AX7-S-JJ in V1 hmmm better..but the clean channel was blaa not a clean sound yet . overdrive sound bearable. Just for grins I put the dw7 in V1 and the 7EH in V2 and Wow my clean channel was super nice now!!!! overdrive ho hum . Put in the 12AX7 JJ tube in V2. Got a warmer sound and steady tone in the Overdrive. The clean sounded a little sweeter. Move tubes around a few more time in v1 v2 v3 . Best combination was JJ12DW7 in V1 JJ 12AX7 in V2 & V3 I left the stock tube in it as i felt the 12AX7EH electro harmex tube made a change in sound although negligible and maybe I was just imagining it but I put the stock tube back into A3 I will keep the 12ax7EH as a spare. It sounded a little chimey to me. Some people maybe able to make this sound into their own. I just wasn't in to it. I almost want to try another DW7 in v-2 . I am looking into finding what would be best in to the V3 socket. The loudness stayed the same. The volume setting sensitive stayed about the same or more touchy. But I'm happy now that the clean is sounding like an acoustic guitar instead of just too busy. Hard to explain maybe some overdrive in the clean. Maybe what they call microphonic. The overdrive is usable ,still undecided. maybe i think it need to sound by my effect processor and not the raw overdriven barky sound. But in a pinch I can make it work. I don,t like a lot of cords and electronic under my feet if I don't need it. The jj t-12ax7-s-jj is a great tube. Sounds better than the stock one and in some tube combination and amp it probably sounds fantastic

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