Preferred Series 7025 / 12AX7 Preamp Vacuum Tube
The Preferred Series 7025 preamp tube is a high quality 12AX7 vacuum tube type. This tube is a reproduction of the highly regarded and sought after Mullards from the 1960s.
This 7025 is a high quality and very rugged custom 12AX7 tube. The plates are manufactured out of a premium metal imported from Germany and supported with extra thick mica spacers to insure against microphonics. They are burned in and tested at the factory and then again on our digital high voltage equipment to make sure the tubes selected for you will provide outstanding tone and performance.
From our review: "A great sounding 12AX7 tube type that reminds me a little more of the ECC83 that Ei made in the old days. That's a pretty nice compliment. I compared this tube against an old Ei and Telefunken smooth plate and there was very little difference. Lots of gain with a rather low noise floor. No microphonics issues at all. Very good considering the large plate size. Spot welding may be better for microphonics than crimped plates. I tried it in all the standard guitar amp duties and it was fine. Fabulous in Blackface Fender amps. We tried this 7025 in a 66 Vibrolux reverb 2x10 combo and the tones were all there. Light and shimmering or really aggressive, it's all good."
Warranty: The Preferred Series 7025 tubes carry a 6 month extended warranty.
Other Preferred Series tubes
12AX7 TypesAdditional Information and Downloads
Reviews:
12AX7 Tube Review
Tube Matching Information:
Matched Sections Service
Downloads:
Preferred Series 7025 Datasheet (PDF)
Download Adobe Acrobat PDF reader
Warranty Information and Return Policy
Warranty Period: 6 monthsPreferred Series tubes have a 6 month warranty from date of purchase. (Any exceptions will be noted on that tube's Warranty tab)
If you receive a tube that does not perform to the manufacturer's specifications, please do the following:
- contact us to get a return authorization
- return it via regular mail within 180 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.
Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.
We can not accept returns that don't have an authorization, are past 6 months, or are returned improperly.
These guidelines may be updated without notice.
Ratings & Reviews
86 reviews
Preferred Series 7025 | Well worth the price!
by Travis -
Been playing for 25 years, heard a lot of different tubes. Some better, some worse, some bright, some dark, but this PS-7025 was the first tube that really made me say wow. Used it in the v1 of a Marshall 1987 "plexi' and in the v1 of a Mesa Lonestar. The distortion tones are great. Just a hair to the bright side with no fizz, just creamy overdrive. Quieter than the name brand tube I was using in the Lonestar. Only 12ax7 I plan to buy for now on.
Preferred Series 7025 | Surprisingly good tubes!
by Winston -
This tube came as a complete surprise to me. I bought a few sets of different 12AX7 tubes to try on my tube phono pre, and this was the cheapest set which I just added to my cart just for fun. The others were very well-regarded Genelax Gold Lions and Mullards.
After a lot of listening tests, this Preferred Series 7025 tube came out on top.... by a lot! It sounds very dynamic, with lots of bass and lot of sparkle. The music comes alive and makes you tap your feet.
Am very happy with my purchase.
Preferred Series 7025 | Not impressed in an AC15
by Clancy
I bought a re-tube set for my Vox AC15 as an "upgrade" to the stock Sino 12AX7B tubes, and I really don't rate the tone of these at all, at least in that amp. They PS-7025 sounded woolly and took away the clarity, sparkle and sensitivity of the amp compared to stock
Preferred Series 7025 | First impressions
by Dee
Just put this PS-7025 in v1 of an EVH 5153 50w 6l6. A very nice, clear sound through the channels. Seems to have nice gain to it too. But the one thing I noticed is the amp is much punchier. Ch.1 instantly punchy, ch.3 tightens up. Excellent, I'll order another next time.
Preferred Series 7025 | Honestly better than the NOS and JJ in a DRRI
by Andrew
I got these for my deluxe reverb reissue (DRRI) along with some nos and ehx 12AX7s. Initially I got the “preferred series“ for the less important locations in the amp but after back to back tests swapping them around with nos GE and RCA, ELectro harmonix, sovtek groove tubes and JJ’s there was a massive difference when the preferred series were in positions 1 or 2. Huge punchy sound that is just like a real ‘65 Deluxe Reverb I once played and have been chasing that tone. The JJ were a distant second and the others were no comparison. HIGHLY RECOMMEND OVER ANY OF THE OTHER BRANDS. Don’t let the low price overlook them as quality tubes.