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Ruby

collapse expand iconDescription

This Ruby ECC83/12ZX7A exclusive preamp tube features a large bottle, gold-plated grid and extra internal anchoring. 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. It comes with a 6-month replacement warranty.
Ruby ECC83/12AX7A Preamp Tube

collapse expand iconFeatures

  • Lower gain, full, robust tone
  • Matched parameters for optimal performance and long life
  • 6-month replacement warranty

collapse expand iconSpecs

  • Item Weight: 0.8 oz.
  • Product Dimensions: 3.4" x 1.2" x 1.1"
  • Shipping Weight: 1.6 oz.

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  • submitted7 months ago

    asked byKenneth

    fromVictorville, CA

    Is this a correct replacement for my SWR SM400 bass amp?

    Is this a correct replacement for my SWR SM400 bass amp?

    Open Reply - Gear-Support
    I’m sorry, I don’t know. I need to know what tube is in the amp. This is a pretty standard preamp tube.

  • submitted2 years ago

    asked byMouse

    fromMcallen tx

    Can I use this tubes pre amp on a Jcm 2000 dsl 50 watts ?

    Can I use this tubes pre amp on a Jcm 2000 dsl 50 watts ?

    Open Reply - Gear-Support
    I'm sorry but I'm not sure. The JCM 2000 uses ECC83s

  • submitted3 years ago

    asked byBrice

    fromKansas city missouri

    Can I mix this tube in line with other brand names in tubes?

    Can I mix this tube in line with other brand names in tubes?

    Open Reply - Thomas
    The brand won't matter, the value needs to be the same.

  • submitted3 years ago

    asked bySpruck

    fromCary, NC

    I have a Marshal ATV100 Valvestate 2000 amp. The preamp tube is labelled "Marshall VLVE 00065 WK 48". Is this the correct replacement tube for it?

    I have a Marshal ATV100 Valvestate 2000 amp. The preamp tube is labelled "Marshall VLVE 00065 WK 48". Is this the correct replacement tube for it?

    Open Reply - Thomas
    I don't think so. It comes equipped with a ECC83 Dual Triode

  • submitted4 years ago

    asked byezra

    fromundisclosed

    can i use it on my peavey pirahna?

    can i use it on my peavey pirahna?

    Open Reply - Thomas
    Yes