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New Gain Matched Pair (2) Tung-Sol Reissue 12AX7 ECC83 Tubes - Authorized Dealer

VIVA TUBES
(34543)
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US $61.81
ApproximatelyAU $95.47
Condition:
Brand New
More than 10 available324 sold
Breathe easy. Free delivery and returns.
People want this. 97 people are watching this.
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Postage:
Free USPS First Class®.
Located in: Easthampton, Massachusetts, United States
Delivery:
Estimated between Thu, 7 Aug and Tue, 12 Aug to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the postage service selected, the seller's postage history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
60-day returns. Seller pays for return postage.
Payments:
     Diners Club

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eBay item number:122835436037
Last updated on 19 Jul, 2025 06:13:18 AESTView all revisionsView all revisions

Item specifics

Condition
Brand New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging ...
Type
Vacuum Tube
Brand
Tung-Sol
Model
12AX7
Country/Region of Manufacture
Russian Federation
MPN
12AX7
UPC
683274020556

Item description from the seller

About this seller

VIVA TUBES

100% positive Feedback•84K items sold

Joined Apr 2001
Your friendly trusted tube store. Always tested, matched, and guaranteed. Tubes tested on professional equipment with regulated power supplies. Affordable worldwide shipping, excellent customer ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
5.0
Reasonable postage costs
4.9
Postage speed
5.0
Communication
5.0

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Seller feedback (44,260)

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    • e***s (323)- Feedback left by buyer.
      Past year
      Verified purchase
      They sound great in my peavey 5150 amp used for phase inverter. They arrived quick too
    • z***z (530)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Excellent tubes, exactly as described.
    • i***4 (561)- Feedback left by buyer.
      More than a year ago
      Verified purchase
      Dear Viva, I didn't see the 2 tung-sol tubes in the same bubble wrap as the marantz tubes. I have decided to keep all 4 tubes because I might need some more new 12ax7's in the future. I am sorry for not catching the details. prompt shipping, good packing, Excellent Seller. A++
    See all feedback

    Product ratings and reviews

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    5.0
    23 product ratings
    • 22 users rated this 5 out of 5 stars
    • 1 users rated this 4 out of 5 stars
    • 0 users rated this 3 out of 5 stars
    • 0 users rated this 2 out of 5 stars
    • 0 users rated this 1 out of 5 stars

    Would recommend

    Good value

    Good quality

    Most relevant reviews

    See all 19 reviews
    • by mikael97
      18 Feb, 2018Top favourable review

      Happy Purchaser

      I saw the Tung-sol reissues were rated very highly in a comparison and so I replaced my what must have been Sovtek factory seconds (see one pictured with misplaced getter.) Now for the first time my Crate V100t sounds sweet. I bought it on close out several years ago and figured the amp, designed by Loud Technologies, was just badly built. Now its my favorite. I liked them so much I put them in another "affordable" amp head (Pic below,) with the same great improvement in sound. This time replacing no brand name chinese tubes.

      Verified purchase: YesCondition: NewSold by: vivatubescom

    • by schematicguy
      14 Apr, 2018

      tung-sol 12ax7

      tried it in V1 position of my jca20h, converted to a jcm800 preamp with 6cm6 output vavles. ive also installed an effects loop, and a resonance mod. this tube brought out a very musical gain to my amp, made it sound even better. i believe its a spiral filament variety which helps to make the tube noise free. ive read that the spiral filaments aren't good in cathode followers. i swapped it out with an EH 12ax7 which is also spiral filament and the tungsol sounded better to me, more gain, tighter low end and a nice midrange tone that id say goes very well with my amp. for 17 bucks shipped to my apt in 3 days, cant beat that with a stick. im very happy with my purchase!

      Verified purchase: YesCondition: NewSold by: vivatubescom

    • by jack4jill
      06 Jul, 2019

      Amazing!

      I bought this 12ax7 in addition to a Sovtek EL84 to upgrade my Bugera T5. I am blown away by how much this tube swap made. The Bugera was a decent sounding amp but it was a little dark and when pushed didn't always sound great to me. With these tubes the amp came alive. The dark sound is gone and it is articulate in a new way. I can hear my guitar like never before. When I used the 6 way voicing switch on my Roadhouse strat before the changes were subtle. Now it is distinct. Ordering more of these tubes!

      Verified purchase: YesSold by: vivatubescom

    • by rbuzz_2001
      11 Oct, 2019

      Tung Sol reissue 12AX7

      I have bought and used many of these in various amps. It is a rugged, quiet tube with excellent balance in tone. I do like to mix tubes in various parts of the preamp. These Russian TS ri tubes work equally well in V1, in Reverb recover or post EQ recovery gain positions. They can be used in every position, though be aware if you’re adding gain to the Reverb or PI as they are often designed for AT7 gain. Great value tube. Excellent price from Viva Tubes.

      Verified purchase: YesSold by: vivatubescom

    • by bamaconner
      23 Apr, 2025

      Wonderful Clarity

      I bought these tubes to brighten and clarify the 4 preamp channels on my HH Scott 222D amp - which they did. These sound much better than the Mullards that came with the refurbished amp(one had already blackened on top). I was hoping for a warmer vocal sound but that may be hidden in a different tube location. They were shipped from China, so it took a while to arrive - but glad I ordered before the idiotic tariffs took effect.

      Verified purchase: YesCondition: NewSold by: ayumitubes

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