Ruby 12AX7AC7 HG


Availability: In stock

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Warm tones, sweet overdrive. Back in stock!

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Ruby 12AX7 AC7 High Grade

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  • Ruby 12AX7 AC7 High Grade


The Ruby 12AX7AC7 HG High Grade is a sino chinese tube made in the Shuguang factory. It's very warm and sweet, with great overdrive. This tube has Mullard style plates, also marketed as the TAD 7025-S and the "Preferred Series 7025". They're back!! Same as TAD 7025-S, Preferred Series 7025 and Gold Lion Standard pin 12AX7.

Customer Reviews

Mesa Boogie Mini Rectifier Review by Lyle
The tubes sound killer! I put them in a couple days ago and have been playing on them non stop. Great website man, and good suggestions on tubes! This was my 1st time changing tubes in an amp and everything went smooth. I will recommend your site to others! (Posted on 6/23/18)
Marshall JCM800 (2203x) Review by Mike

Hi Doug,

I finally got around to placing an order for these – actually just the PREs – I wanted to try just those first to see what affect they had by themselves. All I can say is, “Wow,” what a difference they made! My 2203x absolutely nails older Def Leppard (Pyromania), vintage Judas Priest, ACDC, etc. I didn’t think just new PREs would have this much of an affect, but they did.

Once again, thanks a ton for the great advice. It’s one of the many reasons why I do business with you and will continue to do business with you. You and your company are top notch.


Mike M
New Lenox, IL (Posted on 10/3/17)
Replaced Fender Groove Tubes in Fender Pro Junior Review by David
I bought this to put in my V2 spot, along with a Ruby 12AX7AC7 HG+ for V1-
I also bought Sovtek EL84's for my power tubes.
What a GREAT combination,
My amp came back to life! The stock tubes were at least 5 years old,
they still worked, but rattled like mad and had an ugly edge to the overdrive.
These tubes, especially with the Ruby 12AX7AC7 HG+ in V1,
really gave my amp much need warmth, clean, sparkle, and gain.
I have increased clarity, better response, higher gain, more crunch,
more headroom, more warmth, and more sparkle!
Oh and last but not least, no more tube rattle!
Fast shipping and great price-
Highly recommended (Posted on 8/4/16)
Zinky Mofo 66 Review by Lance
V1 aTung Sol re issue, V-2 the SS , V3 ac-7 , really dialed my amp in with lots of gain , I'm getting nice harmonics and warm tone , I will say this new Jensen Jet speaker is damn nice also better than the many other speakers I've tried , as usual Doug's tubes get the order out Really quick , I was stoked ,I'm going to play around with the tubes when I get a few extra hours to dial it in even better. (Posted on 6/23/15)
Blackface Pro Reverb Review by Shane
This tube is magic in my 66 Pro Reverb. I usually lean towards the Tung-Sol Reissue in Fenders, but I wanted to try something a little different and thought I'd try this in V1 (not wanting to part with the Tung-Sol in V2). I noticed in this arrangement both channels had good blackface tones. When I swapped and put the AC7 HG in V2 it was warmer but retained the highs when pushed on the Vibrato channel with great blackface tones, but the Normal channel almost had a Bassman vibe (or dare I say a Marshall vibe) going on. It's great! I've gone from only using the Vibrato channel to using both for different applications. Ordered this when I also picked up a set of TAD 6L6STR from Doug. They came perfectly matched and no issues as always. (Posted on 2/8/13)

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