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Research the sound different type tubes for the sound that you want,
By: Chgo dave.
Submitted: 9/6/2019
1 person found this review helpful.
Product Rating
Product Review
Got these for my 1973 sunn 190L amplifier breathing new life into an old friend this payment plan rocks maybe a couple new pedals next?
give it a shot the better your gear the better you sound ?
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Groove Tube GT-6L6-R Russian Vacuum Tubes
By: Danny H
Submitted: 6/25/2019
3 people found this review helpful.
Product Review
I purchased a matched quad set of these tubes from American Musical Supply to use in my 135 watt vintage silver face Fender Twin Reverb amp. I also use these same tubes in my vintage Fender Dual Showman amp, and have experienced very good results with the Groove Tube "Russian" made tubes.
Groove Tube does not actually manufacture tubes. Other manufactures such as (Sovetec/Electro Harmonix) does, which is a Russian based company with a great deal of experience in making amplifier tubes, which is why I chose the Grove Tube "R" series vacuum tubes. These are basically the same as the 5881 vacuum tubes, but are matched in the GT system.
From my understanding, Fender actually owns Grove Tube, and hence, puts the Grove Tube name on some of the tubes, as well as the Fender Logo. Other companies such as Ruby do this as well, even though they don't actually make amplifier tubes. However, my personal experience with Ruby branded tubes has never been good.
American Music Supply provides the Russian made 6L6 tubes in a medium power rating (i.e. 6 or 7) The tubes I received have a 6 rating. Personally speaking I would prefer a higher rating in the 8 to 10 range, but that's because the Fender Twin Reverb and Fender Dual Showman amps were designed to provide very clean power, even when pushed hard at high volume levels with very little to no distortion/over drive, which is as a steel guitarist, that's exactly what I want.
Despite the medium range of these particular tubes, I found them to perform well even when pushed to high volume ranges, and they are very reliable as well.
When I received these Grove Tubes, the first thing I did was test them on my tube testing meter, and they all registered a solid "91 to 93" on the test scale with no grid loss, which is exceptionally good! I have since installed them in my vintage Fender Twin, as so far, all is very good with these particular tubes.
Here again, I believe these GT tubes are actually made by Sovtec/New Sensor, and I have had very good experience with the Sovtec tubes as well. I expect such will be the same with these Groove Tube branded tubes. My only complaint is that AMS doesn't offer higher range number selections for these tubes.
I have also used Groove Tube branded tubes in my Fender Hot Rod Deluxe with very different results. But then again, it's a very different tube driven amplifier. It's really a "to each their own" sort of thing in tube brand preferences. These Groove Tubes happen to work great for me for my particular applications.
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Power tubes that produce what they say!,,
By: Bobby bones
Submitted: 6/17/2019
3 people found this review helpful.
Product Review
Great product and shipped well prepared..
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Works great
By: John D Padgett
Submitted: 3/7/2019
2 people found this review helpful.
Product Review
Works great sounds great gave me a better sound then the factory ones better drive and tone
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Well worth the money
By: Hugo
Submitted: 12/5/2018
Product Review
Well worth the money
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These tubes are great. They bought my Fender Amp back to life
By: Micheal Luckenbaugh
Submitted: 6/16/2018
Product Review
Great, they bought my Femder amp back Loud And Proud
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Awesome Tubes
By: Kelvin from Grenada, Ms US
Submitted: 6/28/2010
Very Dependable. Great Quality
These same tubes have lasted 7 years in my 65 twin and have played almost every weekend since purchase
Your general opinion of this product.
These Tubes provide the perfect sound for my Fender 65 twin reverb
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These Tubes make the perfect tone
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can't wait to groove
By: atineo1982 from NY
Submitted: 1/28/2010
0 people found this review helpful.
i was a little nervous about ordering them because of their fragility but they arrived unharmed and safe. they should last a while if youtake good care of your equipment
dunno yet
Your general opinion of this product.
i am getting my amp repaired but i've done my research and these are one of the best for the tone i'm looking for.
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Sovtek Baby, Sovtek.......
By: bigskyplanet@hotmail.com from Hamilton, Montana
Submitted: 2/27/2009
0 people found this review helpful.
Great
Great
Your general opinion of this product.
Great, Great !!!
It has a beautiful cream tube compression feel and no mud!!! Perfect for my Deville.
Dead On Tone from clean to blues to metal !!!
Hey, its a glass bottled tube!!! What do you expect !!!
They jumped right out of the box and right into my Deville !!! They wanted to go home and play music !!!