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Groove Tubes Gold Series GT-6L6-R Matched Power Tubes 

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These Groove Tubes Gold Series GT-6L6-R Matched Power Tubes are Russian made, same as the 5881, but matched in the GT system. These are a very sturdy...Click To Read More About This Product

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  • Medium (4-7 GT Rating) Duet

    $59.99 Top Rated

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See All Groove Tubes Power Tubes

These Groove Tubes Gold Series GT-6L6-R Matched Power Tubes are Russian made, same as the 5881, but matched in the GT system. These are a very sturdy and reliable tube, with slightly less power and a more aggressive edge when pushed into distortion.

These are the tubes that are used by Fender in amps that use 6L6 tubes and DO NOT come from their Custom Shop. These are used in the Hot Rod series, Blues DeVille series, Pro Tube series, BF reissue series.

The GT 6L6GE is used in the 57 Tweed, Vibroverb and Vibro King amps.

If you are trying to match your stock tube rating with the GT rating:

On Fender amps, output tubes in newer amps are color coded. The scale is:

Blue = GT 1-3 rating
White = GT 4-7 rating
Red = GT 8-10 rating

Low, medium, and high style descriptions refer to break up modes of the tube for an overdriven guitar signal. High-rated tubes break up slow and have the highest amount of headroom, while low-rated tubes break up easier and have the least headroom, yielding a heavier, harder distortion. Medium-rated tubes fall in between.


A great replacement tube for your guitar amp. Order today!

SPECIFICATIONS

Gold Series GT-6L6-R Matched Power Tubes

  • Country of origin: Russia
Reviews
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Review Snapshot

by PowerReviews
Groove TubesGold Series GT-6L6-R Matched Power Tubes
 
4.8

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (6)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Improves sound (5)
  • Good quality (3)

Cons

No Cons

Best Uses

No Best Uses
    • Reviewer Profile:
    • Experienced (5)

Reviewed by 8 customers

Displaying reviews 1-8

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(1 of 1 customers found this review helpful)

 
5.0

Good Clean Sound in HRD 212

By Junior

from Southern USA

About Me Experienced

Pros

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

Cons

    Best Uses

      Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

      I installed these on a Fender Hot Rod Deville 212. I was looking for a loud clean sound and these delivered that for me. I got the 8 to 10 ratings and MF sent me the top of the scale 10 rating. Played a four hour show and was impressed with the clarity these tubes pushed out.

      My only concern is the bias reading I get with these valves. From what I read, the HRD is optimal at 68mv. I have my bias pot turned all the way down and they are at 72mv. Don't want to be hard on the electronics and have a premature failure. Anyone know the maximum bias setting for this amp and still be within a safe range? Don't really want to go back to the 4 to 7 rating but if it will save a $1K amp then I guess that'll be what has to be done.

       
      4.0

      Solid tubes

      By dirtydee101

      from youngsville,La.

      About Me Professional Musician

      See all my reviews

      Ask me a question

      Pros

      • Improves Sound
      • Very Good Mids And Low

      Cons

        Best Uses

        • Concerts

        Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

        Put these in a legacy v100 and changed the voicing to having more headroom and clear tone can't scoop mids for darker sound but amp never had that characteristic very good tubes just make sure you get the load numbers rite for what you want to play I found higher the tube number the better highs and gain.hope you like em I run these and tube doctor.

         
        5.0

        Good solid tubes at a good price

        By ScottFN308

        from TN

        About Me Experienced

        See all my reviews

        Ask me a question

        Pros

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

        Cons

        • None

        Best Uses

        • Concerts
        • Live Performance
        • Practicing

        Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

        Got these for use in a Carvin V3 head. Head feels more powerful
        Tighter sounding with these tubes installed

        (1 of 5 customers found this review helpful)

         
        5.0

        Gold Series GT-6L6-R Power Tubes

        By Larry

        from Columbia, SC

        About Me Experienced

        See all my reviews

        Ask me a question

        Verified Buyer

        Pros

        • Improved Tone
        • Improves Sound

        Cons

        • None At Present

        Best Uses

        • Haven't Field Tested Yet
        • Practicing

        Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

        I recently replaced the original GT 6L6's in my Fender Twin Amp. I believe the tone is much better with the Slovikian tubes.I feel like I have a new amp.

        (3 of 3 customers found this review helpful)

         
        4.0

        Solid Performance

        By Gratefullee

        from Wichita Falls, Tx.

        About Me Experienced

        See all my reviews

        Verified Buyer

        Pros

        • Good Quality
        • Improves Sound

        Cons

          Best Uses

          • Worship

          Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

          I bought the Medium set to replace the tubes in my Fender Hot Rod Deluxe III. I have always been very happy with the HRD, so these brought back the magic of the original tubes. Set the bias to 50 and they sing. I know you can buy other brands for less money, but I am willing to pay extra for a consistent and reliable product. ESPECIALLY when I count on it for live performances.

           
          5.0

          Great sounding tube

          By Lefty

          from NJ

          About Me Experienced

          See all my reviews

          Verified Buyer

          Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

          Very happy with product. I went from a pair of fours(medium) to a pair of twos(soft). They break up sooner and still had plenty of headroom. My dying amp was revived by replacing my four year old tubes with these tubes.

          (1 of 2 customers found this review helpful)

           
          5.0

          Tammy

          By Tammy Webb

          from Georgia

          Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

          I think these Groove Tubes are better than N.O.S. They are easy to bias, and sound great!

          (6 of 8 customers found this review helpful)

           
          5.0

          Punchy, detailed tone.

          By GTinlove

          from Vacouver B.C

          Comments about Groove Tubes Gold Series GT-6L6-R Matched Power Tubes:

          These tubes are awesome! Their clarity is amazing and they have a beautiful low end punch that is very string yet controlled and tight. These tube sound so much better when they are run on the "hotter" side and they become a lot more "harmonically rich." I find that these tube work a lot better when they are paired with Sovtek 12ax7wc tubes.

          Displaying reviews 1-8

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