Item # 212031 | Customer Ratings: ( 5 Based on 5 reviews)

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Ruby EL84CZ Premium Matched
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The most powerful EL84CZ available!

A premium tube that produces more power, more tone, and higher fidelity with an extended dynamic range. 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. Comes with a 6-month replacement warranty.

Ruby EL84CZ Premium Matched Features:

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

Ruby EL84CZ Premium Matched

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 5 reviews)
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Viewing Reviews 1 - 3 of 5 |
  • No complaints

    As reviewed by gamjamm on 10/16/2009

    This matched duet sounded great in my combo. Improved dynamics,headroom and slightly better mids/highs. Great value too. Much better matching process than sovtek uses.

    12 of 12 people found this review helpful.
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  • Ruby EL84 Matched

    As reviewed by Ed on 11/21/2010

    Feeding one of these with an American Standard Stratocaster and a Crate V5 amp with a Celestion speaker in it. These tubes have a very pronounced attack, really punchy. The cleans are very warm with good dynamics and excellent sound through the whole gamut of frequencies. I cannot speak for or against the distortion because the V5 has a solid state op-amp and I'm not sure exactly how much it contributes to the distortion signal. All in all a better sounding tube than the sovtek that comes stock in these amps.

    5 of 5 people found this review helpful.
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  • Outstandanding tone

    As reviewed by James Gallion on 2/15/2012

    These replaced some ancient EL-84s in my Mesa Boogie Studio .22 Cal amplifier. We have mainly played an American Standard Strat and Les Paul through the amp with the new tubes using both a Dunlop Crybaby and Marshall Bluesbreaker pedal. The tone is outstanding whether clean or overdriven. I like it more than the original sound with the Mesa Boogie tubes. The tubes were easy to install. The pins were all straight right out of the box. They really shine when you push them hard.

    1 of 1 people found this review helpful.
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Questions about the EL84CZ Premium Matched (212031)

PO Box 4769
Westlake Village, CA 91359
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