Ruby EL34 Matched Tube Duet

Ruby EL34 Matched Tube Duet Review

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Ruby EL34 Matched Tube Duet Feature

• Ruby exclusive Large bottle Gold-plated grid.

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.

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Sep 25, 2011 11:25:09