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JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube 

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The JJ 12AU7 is built in the same fashion as the legendary 12AX7 JJ. Solid construction and extreme attention to detail make this tube one of the bes...Click To Read More About This Product

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Low noise, sturdy construction, and great tone.

The JJ 12AU7 is built in the same fashion as the legendary 12AX7 JJ. Solid construction and extreme attention to detail make this tube one of the best preamp tubes in production today.


Reviews
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Review Snapshot

by PowerReviews
JJ Electronics12AU7 / ECC82 Preamp Vacuum Tube
 
4.9

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good quality (6)
  • Improves sound (5)
  • Easy to use (3)

Cons

No Cons

Best Uses

No Best Uses
    • Reviewer Profile:
    • Experienced (5)

Reviewed by 8 customers

Displaying reviews 1-8

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(12 of 12 customers found this review helpful)

 
5.0

Decent smooth response

By Rhythmjunkie

from Omaha, NE

See all my reviews

Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

I purchased this tube to swap out the stock tube that was in a Behringer VT999 tube guitar preamp. The stock tube was pretty good but I couldn't get rid of the grit. This JJ tube cleaned it up nice while giving me plenty of bite when I want it.

(6 of 6 customers found this review helpful)

 
5.0

Warmer Sound Than 12AX7

By DHerb

from San Diego

About Me Experienced

See all my reviews

Pros

  • Good Quality
  • Improves Sound

Cons

    Best Uses

    • Concerts
    • Practicing

    Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

    Bought this tube for my BK Butler Tube Driver. Gilmourish site recommended the tube as the standard 12AX7 tube was too strong. This is a warm tube and works great!

    Let it break in for a few weeks and it will reward you with warm, rich tones.

    I'd recommend this to anyone and JJ Electronics is the best out there. Enjoy!

    (1 of 1 customers found this review helpful)

     
    5.0

    Good Tube for Cool Tube Pre-Amp

    By Jesse Allen

    from Palm Coast, Fl

    About Me Experienced

    See all my reviews

    Ask me a question

    Verified Reviewer

    Pros

    • Easy To Use
    • Functional
    • Good Quality
    • Improves Sound

    Cons

      Best Uses

        Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

        I have two Takamine guitars which use the Cool Tube pre-amp. I have a Takamine EF-360SC which I put the cool tube pre-amp in myself and a Takamine TAN-16C which already had one. The TAN-16C guitar was a lot louder than the EF360SC for some reason. Thinking it might be the tubes I replaced both pre-amps with new JJ 12AU7's and behold that was the problem. The TAN16C had an Electro-Harmonix 12AU7 tube in it that evidently is a lot hotter than the JJ's. It wasn't a bad sounding tube but I'd rather have the smoother fidelity of the JJ. I use JJ's exclusively in my Classic 30 and Delta Blues 1-15" along with an ancient Peavey Classic 50 which uses two 6L6's that I have loaded with two Celestion Vintage 30's. So, once again I am going exclusively with the JJ's for all my tube needs.

        As a side note to Takamine players....It is a whole lot easier to completely remove the Cool Tube pre-amp to change out the 12AU7's, they are really tight fitting in the tube socket.

         
        5.0

        Excellent Tube!

        By tech guy

        from nashville tn

        About Me Experienced

        Verified Buyer

        Pros

        • Good Quality
        • Improves Sound

        Cons

          Best Uses

            Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

            Great tube! I purchased this based upon reviews of people more experienced that myself and everything they said was true. I replaced the 12ax7 in my Behringer ultra-gain 200 mic preamp and this little tube did add a touch more warmth as well as more headroom and usable range to the ultra-gain.

             
            5.0

            Good Tube, Good price

            By Bodydouble

            from East Brunswick, NJ

            About Me Experienced

            Verified Buyer

            Pros

            • Easy To Use
            • Functional
            • Good Quality
            • Improves Sound

            Cons

              Best Uses

                Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

                Modding a Fender 65 Twin Reverb,

                 
                5.0

                Great in a Bellari pre amp

                By George

                from undisclosed

                Verified Buyer

                Comments about 12AU7 / ECC82 Preamp Vacuum Tube:

                I bought this to replace an ECC83 tube in my Bellari phono pre amp. The volume through my Frenzel tube amp was way to loud at low settings. Using milder tubes in the amp and pre amp stages allowed me to have a volume control that was useful throughout the entire range of the volume control. I was also able to match all of the tunes in my amp/pre amp stages to the same type and manufacture. The sound is now quite nice, at least to my aging ears. The artists seem like they are in the room with me when I play my vinyl.

                (0 of 2 customers found this review helpful)

                 
                4.0

                jj ECC82

                By Richard

                from undisclosed

                About Me Experienced

                See all my reviews

                Verified Buyer

                Pros

                • Good Quality

                Cons

                  Best Uses

                  • Practicing

                  Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

                  perfect in my Epiphone Valve JR . makes the amp nice and clean for practicing at home

                   
                  5.0

                  Did the trick!

                  By Studio B

                  from Columbus, Ohio

                  About Me Professional Musician

                  See all my reviews

                  Ask me a question

                  Verified Buyer

                  Pros

                  • Easy To Use
                  • Good Quality
                  • Improves Sound

                  Cons

                    Best Uses

                    • Improving tube amps

                    Comments about JJ Electronics 12AU7 / ECC82 Preamp Vacuum Tube:

                    I replaced the preamp tubes in a Peavey Windsor with these, and it gave it more head room before distortion. It made the amp more responsive and functional for me.

                    Displaying reviews 1-8

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