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JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube 

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JJ preamp tube with low noise and low microphonics. Great for phase inverters, reverb circuits, or any application which calls for 12AT7 tubes....Click To Read More About This Product

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JJ preamp tube with low noise and low microphonics. Great for phase inverters, reverb circuits, or any application which calls for 12AT7 tubes.


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Review Snapshot

by PowerReviews
JJ Electronics12AT7 / ECC81 Preamp Vacuum Tube
 
4.8

(based on 12 reviews)

Ratings Distribution

  • 5 Stars

     

    (9)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Improves sound (10)
  • Good quality (7)
  • Easy to use (6)
  • Functional (4)

Cons

No Cons

Best Uses

  • Practicing (7)
  • Concerts (5)
  • Back-up (4)
    • Reviewer Profile:
    • Experienced (6), Professional musician (4)

Reviewed by 12 customers

Displaying reviews 1-10

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(3 of 3 customers found this review helpful)

 
5.0

Tone,Tone,Tone

By Buck

from The Swamplands of Louisiana

About Me Professional Musician

See all my reviews

Ask me a question

Verified Buyer

Pros

  • Functional
  • Good Quality
  • Improves Sound

Cons

  • None

Best Uses

  • Backup
  • Concerts
  • Practicing

Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

Once again if U can't find em in NOS try em out I have used them all as in them all. The pins are always straight and the tone is always dead on. These are all that go in all of my gear. I would stack em up with the Mullards anyday. And the price here is a good as any I've found including the tube depot..

(2 of 2 customers found this review helpful)

 
5.0

I would buy this product again and again

By Randy T

from Beaumont TX

About Me Professional Musician

Verified Buyer

Pros

  • Improves Sound
  • Mid's Seem To Hit

Cons

  • None

Best Uses

  • Tube Sounds Amazing

Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

I put this tube in my MXL mic and WOW what a difference in the sound . The mid's seem to come alive with a nice round punch. Very nice upgrade from factory tube. Ive tried a few vintage tubes RCA & GE these tubes really were the best in there time. Finding The right tube makes all the difference in all your audio gear. JJ'S would have to be right up there with the best!

(2 of 2 customers found this review helpful)

 
4.0

So far so good

By worshipguy

from Vancouver WA

About Me Experienced

Verified Buyer

Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

I have a Vox AC4 and I replaced my stock 12ax7 with one of these tubes. It definitely gave me more clean headroom which is what I was looking for but it's not quite as thick as I was hoping. Overall a good tube though. It accomplished my purposes

(1 of 1 customers found this review helpful)

 
5.0

nice tone

By jorge

from New Mexico

About Me Professional Musician

See all my reviews

Pros

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

Cons

    Best Uses

    • Backup
    • Concerts
    • Practicing

    Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

    It tamed the overdrive channel on a Champ 12

    (1 of 2 customers found this review helpful)

     
    5.0

    Great preamp tubes

    By Jeddy Boy

    from Lebanon, OR

    About Me Experienced

    See all my reviews

    Verified Buyer

    Pros

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

    Cons

      Best Uses

      • Concerts
      • Practicing

      Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

      These tubes were very cost effective for me.

       
      4.0

      Reliable, consistent preamp tubes

      By David

      from Arlington, VA

      About Me Experienced

      See all my reviews

      Ask me a question

      Verified Buyer

      Pros

      • Improves Sound

      Cons

        Best Uses

          Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

          Decent tubes, i've used them several times over the years. I've found them to be consistent.

           
          5.0

          Tamed my Fender Hot Rod Deluxe

          By Denyrunner

          from Prescott

          About Me Experienced

          Verified Buyer

          Pros

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

          Cons

            Best Uses

            • Concerts
            • Practicing

            Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

            I wanted to be able to use my Fender Hot Rod Deluxe at lower settings at home. Stock the amp is very loud when dialing in the volume - almost impossible to set reasonably for home use. Changed one preamp tube 12AX7 (farthest on the right when looking from the rear of amp) for the new 12AT7 and cut the gain. Amp is now awesome to use at home as it can be turned down to decent volume. The tube lowers the gain by about 40% but the amp is still a beast and easily can be still used on stage. If more volume is needed in the room, mic and run to PA for additional volume..... Sweet and easy fix.

             
            5.0

            Phase Inverter

            By mv

            from Moore, OK

            About Me Experienced

            See all my reviews

            Ask me a question

            Verified Buyer

            Pros

            • Easy To Use
            • Good Quality
            • Improves Sound

            Cons

              Best Uses

                Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

                I should have tried this in my phase inverter position years ago... It sounds so much better. I'm am using in my Bugera 333XL.

                 
                5.0

                Made a huge difference in tone!

                By Kentucky

                from Chippewa Falls

                About Me Experienced

                See all my reviews

                Verified Buyer

                Pros

                • Easy To Use
                • Improves Sound

                Cons

                  Best Uses

                    Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

                    I bought this to put in a Marshall DSL 15c. I was not really happy with the early compression, and the fizzy high gain on the red channel. I did a small mod to the circuit board, and changed the speaker. Both of these helped a little. Replacing the stock 12ax7 with this in the V1 spot made all the difference. The amp sounds great now. Both channels are better to my ear.

                     
                    5.0

                    Great sound and quality!!!

                    By Bruisedego

                    from Long Beach, CA

                    About Me Novice

                    Verified Buyer

                    Pros

                    • Easy To Use
                    • Good Quality

                    Cons

                      Best Uses

                      • Backup
                      • Practicing

                      Comments about JJ Electronics 12AT7 / ECC81 Preamp Vacuum Tube:

                      Had to replace the original off my '82 Fender Super Champ due to reverb function loss. Before buying the uber expensive and defunct 6c10 tube, I thought to replace this first. Can't go wrong with JJ's price and quality. The reverb comes alive once more. NOW, if only JJ makes the 6c10!!!

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