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JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube  

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This 12AX7/ECC83 preamp tube has a well-balanced, colorful tone with strongly defined lows and mids and smooth highs. It allows for more clean headro...Read More

  • MSRP:
    $15.00
  • Your Savings:
    - $0.01
  • Shipping (48 Contiguous U.S. States)
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  • Your Price:
    $1499

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This 12AX7/ECC83 preamp tube has a well-balanced, colorful tone with strongly defined lows and mids and smooth highs. It allows for more clean headroom than higher gain 12AX7s.


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Review Snapshot®

by PowerReviews
JJ Electronics12AX7 / ECC83 Preamp Vacuum Tube
 
4.4

(based on 34 reviews)

Ratings Distribution

  • 5 Stars

     

    (24)

  • 4 Stars

     

    (6)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (2)

97%

of respondents would recommend this to a friend.

Pros

  • Good quality (24)
  • Improves sound (24)
  • Easy to use (14)
  • Functional (14)

Cons

No Cons

Best Uses

  • Practicing (15)
  • Concerts (13)
  • Back-up (8)
    • Reviewer Profile:
    • Experienced (17), Professional musician (10)

Most Liked Positive Review

 

My tone has been reborn!

I am a bass player and its hard to decide on which tube to choose when you buy your first tube amp. I have had this amp 4 yrs and never needed a tube...Read complete review

I am a bass player and its hard to decide on which tube to choose when you buy your first tube amp. I have had this amp 4 yrs and never needed a tube until now. I originally purchased a tube of another brand and chose solely on the reviews and ratings and cost a few dollars more. It took away all the characteristics that made my favorite amp what it is. So I blindly bought these JJ tubes on the advice of a friend and I am completely happy. Owners manual called for a Groove Tube but I wanted something else and a Mesa tube was in my amp but I wanted to order from MF and I didnt see any Mesa tubes here. I am very happy!

My low ends are back!! My lo mids are back and my attack is all there again. I love the way the gain can make the sound flow or growl. I have a hot set up in my bass and the other tube I put in, it took all of what I loved about bass amp away. It took out all my lower freqs. And my tone was tinnier with a slight ring to it. But after some major eq tweeks I was able to get it almost acceptable. But this JJ tube brought my eq settings back into the ballpark and gave me more of what I have been missing for a couple years now.

VS

Most Liked Negative Review

 

made my amp sound awful

As we all know, different tubes sound good in different amps. I would just personally not recommend this tube for a Mesa Dual Rec. I changed out all my preamp tubes with the...Read complete review

As we all know, different tubes sound good in different amps. I would just personally not recommend this tube for a Mesa Dual Rec. I changed out all my preamp tubes with the jj's and it made the amp sound extremely noisy, fizzy and thin. I switched back to some mesa tubes and problem solved. Maybe I just got a bad set or something because jj's are supposed to be pretty good from what I hear. Also, Musiciansfriend really needs to change how they ship tubes. One of the tubes came to me already broken.

Reviewed by 34 customers

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Displaying reviews 1-10

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4.0

Good value

By rudie

from western mass

About Me Experienced

Ask me a question

Verified Buyer

Pros

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

Cons

    Best Uses

    • Practicing

    Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

    I bought this tube to replace the stock Bugara tube in my Behringer Vintage OD pedal. It definately provided a nice creamy, musical sound although gain was much lower which wasn't a real issue, I just had to turn up the drive to match the amp. It was a nice improvement in overall sound for not much $$$$$.

    Comment on this review

     
    5.0

    Great Tubes!

    By RetroTeleRod

    from Oklahoma

    About Me Experienced

    Pros

    • Good Quality
    • Improves Sound

    Cons

      Best Uses

        Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

        I put a complete set of JJs in my Vox AC-15 last week and they really opened up the sound of this amp. They are a great value considering the significant improvement they will make to your tone.

        Comment on this review

         
        5.0

        Great sounding tubes

        By nateh107

        from Northern New England

        About Me Experienced

        Ask me a question

        Pros

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

        Cons

          Best Uses

          • Backup

          Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

          Originally from another store I bought this tube in high and mid gain for my Marshall DSL50 but did not work out . Ordered these from MF sounds much better to my ears amazing what a new set of tubes can do for your tone !

          Comment on this review

           
          4.0

          JJ 12AX7

          By Jojo

          from Ohio Valley

          About Me Experienced

          Pros

          • Good Quality

          Cons

            Best Uses

              Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

              Bought the JJ and a TungSol 12ax7. They replaced an old Hot Rods tube in a Crate TD50c. Both tubes do the job. The JJ seems to have more soul (creamy?) than the TS. The TS seems to have more crispness\clarity. I'm gonna stick with the Tungsol for the moment but have no qualms about using the JJ in my amp. Keep on rockin!

              Comment on this review

               
              5.0

              Great tubes!

              By Scott-.TZ4t

              from Florida

              About Me Experienced

              Pros

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

              Cons

                Best Uses

                • Backup
                • Concerts
                • Practicing

                Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

                Looked at tubes for awhile before buying them. Wanted a good solid sound but was on a budget. These brought my sound alive again. Super crisp and great presence. Price vs quality is awesome

                Comment on this review

                 
                5.0

                JJ Tubes

                By Super Rat

                from USA

                About Me Experienced

                Ask me a question

                Pros

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

                Cons

                  Best Uses

                    Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

                    I'm always happy with JJ's...these tubes have great tone and aren't ridiculously over-priced.

                    Comment on this review

                     
                    5.0

                    12AX7 / ECC83 Preamp Vacuum Tube

                    By organ king

                    from Pittsfeid,Me

                    About Me Experienced

                    Pros

                    • Functional
                    • Good Quality
                    • Improves Sound

                    Cons

                      Best Uses

                      • Concerts

                      Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

                      They brought life back my 1950's Hammond organ

                      Comment on this review

                       
                      5.0

                      Marshall preamp tubes

                      By Marshall Rocks

                      from Rockford, Il.

                      About Me Professional Musician

                      Pros

                      • Good Quality
                      • Improves Sound
                      • Nice Breakup

                      Cons

                        Best Uses

                          Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

                          I had these tubes installed in my Marshall MA50 and it sounds awesome! Good quality and price. If you own a tube amp and play a lot, tubes need replacing from time to time. My amp sounds better than it ever did.

                          Comment on this review

                           
                          5.0

                          Great Sounding Tubes!!!

                          By jetflyr

                          from Cincinnati, OH

                          About Me Experienced

                          Ask me a question

                          Pros

                          • Good Quality
                          • Great price
                          • Improves Sound

                          Cons

                            Best Uses

                            • Concerts
                            • Practicing

                            Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

                            To my ear these sound every bit as good as the GTs. All for a lot less cost. JJ will certainly get more of my business in the future.

                            Comment on this review

                             
                            5.0

                            works

                            By wozz

                            from wisconsin woods

                            About Me Professional Musician

                            Ask me a question

                            Pros

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

                            Cons

                              Best Uses

                              • Concerts
                              • Practicing

                              Comments about JJ Electronics 12AX7 / ECC83 Preamp Vacuum Tube:

                              Put one of these in my Super Champ XD and it sounds good,,I went all JJ's in the SC and it sounds good,,made the amp sound a bit different,,but in a good way

                              Comment on this review

                              Displaying reviews 1-10

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