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Item # 212030 | Customer Ratings: Ratings ( 5 Based on 4 reviews)

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Ruby 6L6GCMSTR Matched Amp Tubes
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      Ruby 6L6GCMSTR Matched Amp Tubes (212030)
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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.

Ruby 6L6GCMSTR Matched Amp Tubes Features:

  • Labeled with matching measurements for plate current and transconductance
    Optimal performance and long life
    6-month replacement warranty




Ruby 6L6GCMSTR Matched Amp Tubes

6 month warranty on all tubes.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
Product Reviews
(Based on 4 reviews)
Sort reviews:
Viewing Reviews 1 - 3 of 4 |
  • Crate - Reborn and Beautiful

    As reviewed by gordon pierce on 5/3/2014

    I have these tubes in my Peavey and really like them. On a whim, I decided to retube my 13 year old Crate Blue Voodoo BV120H (The same Blue Voodoo that has been flamed for more than a decade as unreliable and lacking character but has never broken and is still in use). So, with a new quad of JJ 12ax7's in the preamp and a quartet of these Ruby's for the power, the Crate has new life. The JJ"s went in first, which took the ice pick highs out of this bright amp. Then the Ruby's went in. After a warm up and rebias, I found that the Ruby's accentuated the mids. Nice, warm, clear, articulate cleans. I'm not going to even try to compare them to the Groove Tube rebranded Sovteks that came out because they were old and tired, but the tones in this Crate are better than I remember. These Chinese relabeled tubes gave my tired old Crate a lot of punch, sweet clarity and character. If your amp is lacking that certain something that you originally fell in love with and your thinking of new tubes, I'd give these Ruby's a shot.

    1 of 1 people found this review helpful.
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  • Great bang for the buck!!!

    As reviewed by JChain on 11/25/2009

    For the price, these babies are awesome. I've only had them for a week, so who knows how long they will last. But I slapped them in my old peavey and they sound great. If they last long, I'd buy another set next time I need 'em.

    14 of 15 people found this review helpful.
    Was this review helpful?
  • Great Sounding Tubes

    As reviewed by Starriddin on 3/16/2009

    I put these tubes in my B52 AT-100 head and was absolutely blown away. Warm, smooth, articulate, sweet breakup, are a few words that come to mind. Don't be scared that these are Chinese tubes. They are sweeeet and priced right if you get them 2 or 4 at a time. Make sure you re-bias your amp to the new tubes' rating. Bottom Line is these tubes sound great!!!

    12 of 15 people found this review helpful.
    Was this review helpful?
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