Item #1536812 Model #TUEL84CZ-MQ

Ruby EL84CZ Ruby Tube Premium Matched Matched Quad


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A high fidelity premium tube.

Ruby exclusive with 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.
  • style 2: Duet
  • mpn: TU EL84CZ –MP
  • brand: RUBY


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