Ruby 6L6GCMSTR Matched Amp Tubes  Quartet

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Ruby

A Santana favorite with full, clear tone!

All Ruby output tubes are labeled on the base with the exact matching measurements for plate current and transconductance. By matching these parameters, optimal performance and long life are ensured for your amplifier. Ruby Tubes come with a 6-month replacement warranty.

Features
  • Labeled with matching measurements for plate current and transconductance
  • Optimal performance and long life
 
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by PowerReviews
Ruby6L6GCMSTR Matched Amp Tubes
 
4.0

(based on 5 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (0)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (1)

  • 1 Stars

     

    (0)

Reviewed by 5 customers

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Displaying reviews 1-5

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2.0

Three failures in three months

By 

from Windsor Heights, Iowa

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Pros

  • Easy To Use

Cons

  • Poor Quality

Best Uses

  • Backup

Comments about Ruby 6L6GCMSTR Matched Amp Tubes:

I installed a set of these in my Showman and one shorted out in about five minutes. In addition there is an Ampeg in my shop for repairs that I will have to eat because one tube shorted out after about an hour of operation. At this point quality on these tubes is getting decidedly dodgy which is too bad since I have been using them for years and no trouble until recently

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3.0

had one die on startup

By 

from Windsor Heights, Iowa

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Pros

  • Functional

Cons

  • Not Functional

Best Uses

  • Concerts

Comments about Ruby 6L6GCMSTR Matched Amp Tubes:

I've been buying and using these tubes as replacements since I first reviewed them in 2010 but today I installed a quad in my own Twin Reverb and one shorted out the moment I threw the standby switch and blew the 470 ohm screen resistor. It's the first one that's failed on me in 4 years so I guess I shouldn't complain too much. The price is right and customer service is otherwise good.

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5.0

You can't go wrong with these tubes,

By 

from Undisclosed

Comments about Ruby 6L6GCMSTR Matched Amp Tubes:

I have always been a fan of the Ruby matched sets. They are consistent and the price is right. It seems other vendors try to hook you with words but these tubes are excellent and well matched. You can't go wrong for the price, and quality. Spend more if it makes you feel good but these are my personal favorites.

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5.0

Ruby 6l6GC STR

By 

from Windsor Heights, Iowa

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Comments about Ruby 6L6GCMSTR Matched Amp Tubes:

This is the third quartet I've installed and they're stable, well matched, and durable.

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(2 of 2 customers found this review helpful)

 
5.0

Great Warmth

By 

from Covington, LA

Comments about Ruby 6L6GCMSTR Matched Amp Tubes:

These tubes rock. I just put them in my 65 Twin Reverb and I gotta say the amp sounds better than it ever has.

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