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. Comes with a 6-month replacement warranty.
  • Lower gain, full robust tone
  • Matched parameters for optimal performance and long life
  • 6-month replacement warranty
  • Item Weight: 0.8 ounces
  • Product Dimensions: 3.4 x 1.2 x 1.1 inches
  • Shipping Weight: 1.6 ounces

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