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Product H70063

JJ Electronics JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR

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With the JJ El84 you get a combination of both great tone and reliability. This tube is characterized by sparkling highs, good mids, and a solid bott...Click To Read More About This Product

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  • $2350.00

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  • $1380.00

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With the JJ El84 you get a combination of both great tone and reliability. This tube is characterized by sparkling highs, good mids, and a solid bottom end. Quality construction and a low failure rate make this tube a terrific choice for any amp requiring EL84 tubes.


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Review Snapshot

by PowerReviews
JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR
 
4.6

(based on 36 reviews)

Ratings Distribution

  • 5 Stars

     

    (30)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (3)

93%

of respondents would recommend this to a friend.

Pros

  • Good quality (24)
  • Improves sound (22)
  • Easy to use (12)
  • Functional (11)

Cons

No Cons

Best Uses

  • Practicing (11)
  • Concerts (10)
  • Back-up (3)
    • Reviewer Profile:
    • Experienced (21), Professional musician (9)

Most Liked Positive Review

 

Dan Zimmerman

I installed these in my Peavey Classic 30 which uses 3 12AX7 and 4 EL84 tubes.
The J J's replaced the stock Sovteks which had a good bit of use on them.Read complete review

I installed these in my Peavey Classic 30 which uses 3 12AX7 and 4 EL84 tubes.
The J J's replaced the stock Sovteks which had a good bit of use on them.
I noticed an immediate difference. The amp sounded much cleaner, much more responsive.
Tonal qualities were excellent. The amp is the best it has ever sounded. Can't wait to warm up those tubes and play again
exceeded expectations
very good build quality
worth the extra money --get a great tube

VS

Most Liked Negative Review

 

The tubes I bought didn't work

I didn't try the tubes right away and when I did, my amp didn't work. I didn't know why. I. was going to take it to get repaired. Then I thought of...Read complete review

I didn't try the tubes right away and when I did, my amp didn't work. I didn't know why. I. was going to take it to get repaired. Then I thought of seeing if the tubes light up when the amp is turned. The two new tubes didn't. The other three did. So the problem is apparently that the two EL 84 tubes I bought don't work.

Reviewed by 36 customers

Displaying reviews 1-20

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(5 of 5 customers found this review helpful)

 
5.0

Dan Zimmerman

By Dan Zimmerman

from Canton, Georgia

See all my reviews

Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

I installed these in my Peavey Classic 30 which uses 3 12AX7 and 4 EL84 tubes.
The J J's replaced the stock Sovteks which had a good bit of use on them.
I noticed an immediate difference. The amp sounded much cleaner, much more responsive.
Tonal qualities were excellent. The amp is the best it has ever sounded. Can't wait to warm up those tubes and play again
exceeded expectations
very good build quality
worth the extra money --get a great tube

(5 of 5 customers found this review helpful)

 
5.0

Tonal Upgrade in Carvin

By Ross V

from Colorado

See all my reviews

Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

An amp expert in Seattle recommended JJs. I replaced the stock Sovtek tubes in a Carvin Vintage 16 with a matched pair of JJ EL84s in the power section and JJ 12AX7s in the preamp. The difference is impressive: The somewhat harsh tone of the low-end Sovteks has been upgraded to a rounder, fuller tone. With the V-16's "soak" control on 8 or 9 and a Tube Screamer driving the input, it's easy to dial in a Marshall-like tone.

(4 of 4 customers found this review helpful)

 
5.0

Huge upgrade!

By Kyle Williams

from western NY

Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

I wouldn't have believed it would have made such an improvement if someone had told me. Just had to hear it for myself I guess!
Whatever is going on inside that little glass vaccuum . . . keep doing it.
I was amazed at the improvement in clarity and sparkle that this brought to my Blues Jr. To be fair, the Blues Jr is hard on tubes because of the factory biasing, so the original tubes may have just lived a short hard life.
Good price for any quality matched tubes. But these sound better than what they cost.

(3 of 3 customers found this review helpful)

 
5.0

Tame the icepick highs

By Thomas

from Scottsdale, AZ

About Me Professional Musician

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Ask me a question

Verified Buyer

Pros

  • Improves Sound

Cons

    Best Uses

    • Concerts
    • Practicing

    Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

    One of the power tubes in my Blues Junior (4 months old!) failed. Put these in and Wow, that really bright glassy sound is less. This amp had that icepick sound, waaaay to bright, and these tubes tamed it. The new sound is full, fat, and rich, without the treble. I like them, and I'd buy them again.

    (3 of 9 customers found this review helpful)

     
    1.0

    Great Little Tube

    By Wade Kendall

    from California

    Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

    Overall it reminds me of the old Telefunken tubes. Great highs and mids, and when driven to it's limits the distortion break up is even and dirty!
    I love JJ tubes, and this little guy is not an exception. I replaced the unknown tube in my Blackheart 5W head with this tube. You can get the shimmery highs, swirling mids like a Fender/Vox, while the bass can crunch right up there with a Marshall. Highly recommend this tube. It's a great little workhorse as well!
    No pops, crackles or hisses. And even with the abuse one gives ones amp gigging, it still pulls through!
    Not as pricey as the NOS tubes, or as the groove tube el's. Very good buy!

    (2 of 2 customers found this review helpful)

     
    5.0

    A noticeable improvement over stock tube

    By Oldskool

    from Maryland

    About Me Experienced

    See all my reviews

    Ask me a question

    Pros

    • Good Quality
    • Improves Sound

    Cons

      Best Uses

      • Concerts
      • Practicing

      Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

      I have a VoxAC15 that I purchased several years ago. Was happy with sound, but then I heard about upgrading tubes to augment tone. So I took the plunge and first upgraded the tubes in the preamp section, and the difference was quite noticeable. Several months later, I decided to upgrade the power tubes to JJ EL84s, and am completely blown away with how much impact they have on overall tone and response! It is like a blanket has been lifted off my amplifier! The cheap stock tubes that came with my amp were impeding this amp's tone! I heard about this amp's "chime", but am only now truly experiencing what that truly means.

      (1 of 1 customers found this review helpful)

       
      4.0

      Great little tube!

      By TaosMax

      from Taos, New Mexico

      About Me Professional Musician

      See all my reviews

      Pros

      • Good Quality
      • Improves Sound

      Cons

        Best Uses

        • Backup
        • Concerts
        • Practicing

        Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

        This is a smooth, creamy little tube. Everyone's ear is different, but for this price, it's easy to find out if it's the right tube for you.
        I used the EL84 to replace the stock Russian tube in my harmonica amp, and it sounds like a brand new amp. I'll absolutely look to JJ again when I need tubes.

        (1 of 1 customers found this review helpful)

         
        5.0

        Good Tubes

        By Fender57

        from virginia

        About Me Professional Musician

        Pros

        • Easy To Use
        • Good Quality
        • Improves Sound

        Cons

          Best Uses

            Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

            fast shipping, good product, always use JJ tubes in my amps.

            (1 of 1 customers found this review helpful)

             
            5.0

            Used to replace stock tubes

            By Pick or Fis

            from Near Austin TX

            About Me Experienced

            See all my reviews

            Pros

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

            Cons

            • No Cons Found To Note

            Best Uses

            • Replace Orig Tubes

            Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

            This was my second Blues Junior I used these to replace the stock tubes. Result: smoothed some of the known harshness and refined the overdrive a bit. The first time the Groove Tubes were slightly worn so made a huge difference. The second amp, the tubes were very low hours so a better comparsion. Both times, tone improved, less harsh and overdriven had a more usable crunch than the stock Groove Tubes. Not a huge change but enough to be worth the trouble.

            (1 of 1 customers found this review helpful)

             
            5.0

            Solid Tubes

            By Buck

            from The Swamplands of Louisiana

            About Me Professional Musician

            See all my reviews

            Ask me a question

            Verified Buyer

            Pros

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

            Cons

            • None

            Best Uses

            • Power Amps And Recording

            Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

            I use these in quite a few of my amps and recording gear just make sure to re-bias when changing your power tubes in any gear they are all a little different

            (1 of 1 customers found this review helpful)

             
            5.0

            BEST TONE FOR THE MONEY

            By ROCKING RON

            from West Dundee/ near Chicago Il.

            About Me Experienced

            See all my reviews

            Ask me a question

            Verified Buyer

            Pros

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

            Cons

              Best Uses

                Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                This is a top Tube I tried Groove Tubes what a let down. I bought a Marshall JCM 900 the prior owner used JJ Pre-Amp tubes and my Marshall Kills.So I tried JJ power Tubes on a VHT a Great Tube More Power and Tone. I wish I could say I found these on my own but JJ Tubes Pre-Amp or Power Tubes and Sovteks is all I will use. I work on many Tube amps these ROCK!

                 
                5.0

                Very nice Groove Tube replacement

                By Mr Greg

                from Philadelphia,PA

                About Me Experienced

                Verified Buyer

                Pros

                • Functional
                • Improves Sound

                Cons

                  Best Uses

                  • Backup
                  • Practicing

                  Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                  Great replacement for blown OEM Groove Tube...Takes a bit of wiggling with 9 pins to get old off and new on..I would wear cotton gloves or wrap in micro fiber towel. Eye protection not a bad idea..My old ones were cracked and white at the bottom....

                   
                  5.0

                  Work well for me!

                  By Buffalo_BiL

                  from New Buffalo, MI

                  About Me Professional Musician

                  See all my reviews

                  Ask me a question

                  Verified Reviewer

                  Pros

                  • Good Quality
                  • Low price

                  Cons

                    Best Uses

                    • Chimey clear
                    • Heavy Overdrive
                    • Replacement

                    Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                    Replaced the OEM power tubes in my Bugera V22HD, because one tube crunched out. Bugera said they don't know what the problem is, so return it. Well I prefer to just fix stuff, so I bought a matched pair of these, and after 2 months of play I can say they're great.

                    Service and delivery comments:

                    Quick shipping!

                     
                    5.0

                    My New Favorite

                    By tominorlando

                    from florida

                    About Me Experienced

                    Pros

                    • Functional
                    • Good Quality
                    • Improves Sound

                    Cons

                      Best Uses

                        Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                        I've just finished my latest round of tube rolling after buying these JJ's. Results are impressive. Using a Hughes & Kettner Tubemeister 18 30th Anniversary model amplifier, JJ tubes have an excellent organic tone with smooth break-up when overdriven and cut through the mix very well.

                         
                        5.0

                        Great Tubes

                        By Crop

                        from Wilmington, DE

                        About Me Experienced

                        See all my reviews

                        Ask me a question

                        Verified Buyer

                        Pros

                        • Improves Sound

                        Cons

                          Best Uses

                          • Concerts

                          Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                          Replaced the OE Chinese tubes in a Vox AC15C1 and what an amazing difference it sound

                           
                          1.0

                          The tubes I bought didn't work

                          By Dave

                          from Romeoville, IL

                          About Me Experienced

                          Verified Buyer

                          Pros

                            Cons

                            • Not Functional

                            Best Uses

                              Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                              I didn't try the tubes right away and when I did, my amp didn't work. I didn't know why. I. was going to take it to get repaired. Then I thought of seeing if the tubes light up when the amp is turned. The two new tubes didn't. The other three did. So the problem is apparently that the two EL 84 tubes I bought don't work.

                               
                              5.0

                              JJ's for the Win

                              By PJ Granger

                              from Bellingham, WA

                              About Me Experienced

                              See all my reviews

                              Ask me a question

                              Verified Buyer

                              Pros

                              • Good Quality
                              • Improves Sound

                              Cons

                                Best Uses

                                  Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                                  Replaced the stock Chinese tubes in my Vox AC10c1 with a matched set of JJ's, it used to sound good now it sounds great.

                                   
                                  5.0

                                  Love JJ tubes!

                                  By sonofafitch

                                  from Houston, Texas

                                  About Me Experienced

                                  See all my reviews

                                  Verified Buyer

                                  Pros

                                  • Easy To Use
                                  • Good Quality

                                  Cons

                                    Best Uses

                                      Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                                      Matched JJ's are always a good choice!

                                       
                                      5.0

                                      Will definitely purchase these again and again.

                                      By Johnny Winter

                                      from N.O.LA.

                                      About Me Experienced

                                      See all my reviews

                                      Verified Buyer

                                      Pros

                                      • Good Quality
                                      • Improves Sound

                                      Cons

                                        Best Uses

                                          Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                                          I have used JJ tubes in a home built amp, a Carvin X60 these were for a Fender Pro Jr. They have lasted a long time and after installing in each amp the amp's tone improved greatly. Much warmer and musical sounding. Remember though sound and tone is subjective to the listener and these may not be for everyone, but I am pleased with these and so is everyone that hears them. I get several compliments on the tone. I double checked the matched sets with a tube tester and they were perfectly matched.

                                           
                                          5.0

                                          Would buy again

                                          By heathbar

                                          from Swansea, IL

                                          About Me Experienced

                                          See all my reviews

                                          Verified Buyer

                                          Pros

                                          • Easy To Use
                                          • Good Quality
                                          • Improves Sound

                                          Cons

                                            Best Uses

                                              Comments about JJ ELECTRONICS T EL84 JJ MP EL84 POWER VACUUM TUBE MATCHED PAIR:

                                              Replaced all the tubes in a Tubemeister 18 with JJ's. Warmed up the sound and perhaps a little more headroom. A very good value and a great improvement.

                                              Displaying reviews 1-20

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