Electro-Harmonix 12AX7EH Preamp Tube

Sku #210088000000000

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The Electro-Harmonix 12AX7EH is a preamp tube that provides high gain with ultra low noise. The tube's detailed, musical tone rivals the most desirable NOS types. Unique spiral filament eliminates the filament-to-cathode induced hum common on amps that use AC on the filaments.


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by PowerReviews
Electro-Harmonix12AX7EH Preamp Tube
 
5.0

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (0)

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100%

of respondents would recommend this to a friend.

Pros

  • Good quality (3)

Cons

    Best Uses

      Reviewed by 5 customers

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      Displaying reviews 1-5

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      5.0

      Great Pre amp tones

      By Jammer

      from NYC

      About Me Experienced

      Ask me a question

      Verified Buyer

      Pros

      • Functional
      • Good Quality
      • Improves Sound

      Cons

        Best Uses

        • Backup
        • Concerts
        • Practicing

        Comments about Electro-Harmonix 12AX7EH Preamp Tube:

        These have a great sounding breakup that is smooth and even. It almost sounds slightly compressed, like a tube rectifier. However, they do not diminish tone and you can get lots of drive out of these. Solid performer so far.

        Comment on this review

        (1 of 1 customers found this review helpful)

         
        5.0

        A good value

        By NoNameLocalPicker

        from Midwest, USA

        About Me Professional Musician

        Verified Buyer

        Pros

        • Good Quality

        Cons

          Best Uses

            Comments about Electro-Harmonix 12AX7EH Preamp Tube:

            This is for the picker who is less interested in technical tube talk and more interested in "does it work or not". The EH 12AX7 can, but not always, make your vintage amp sound a little better. If you need the bragging rights that come with purchasing "boutique" tubes, the EH won't do that. The EH 12AX7 will get your amp happy; the money you save will buy LOTS of ramen noodles and other things musicians require! Five stars to Electro Harmonix for marketing a great tube.

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            5.0

            Smooth and quiet

            By Dennis M

            from Athens, TX

            About Me Experienced

            Ask me a question

            Pros

            • Functional
            • Good Quality
            • Improves Sound

            Cons

            • None

            Best Uses

            • Backup
            • Concerts
            • Practicing

            Comments about Electro-Harmonix 12AX7EH Preamp Tube:

            EH markets few tubes, but the ones they do are selected well. As 12AX7's go, there are many to choose from. The EH is a good choice. It has a very smooth and clear voicing. It is neither "chimy" nor harsh and fizzy. The filament, plate, and other components are well designed and placed within the tube showing great care. The end result once in the amp is very noticable and a welcome change from many other tubes that lack the clarity the EH model provides.

            Comment on this review

             
            5.0

            Multi-Tube order

            By Bob Ruszanowski

            from Buffal, NY

            Comments about Electro-Harmonix 12AX7EH Preamp Tube:

            All tubes were correct and functioned very well. Packing of order was one of the worst I'd ever seen for a tube order. Individual tube boxes were thrown in the bottom of the box. Packing tossed in over them. Upon arrival, all tubes were banging into each other in the box. One tubeis microphonic but functions well. Great order processing. Packing needs work.

            Comment on this review

            (6 of 6 customers found this review helpful)

             
            5.0

            Sounds Great!

            By M67

            from USA

            Comments about Electro-Harmonix 12AX7EH Preamp Tube:

            I replaced the stock Sovtek 12ax7-WC in my Hartke GT60 head with this 12ax7-EH and noticed an immediate improvement. The EH just seems smoother and more full sounding to me. I think it sounds great and would recommend it to a friend.

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