Ruby Tubes EL84 Premium Matched, Duet

Ruby Tubes EL84 Premium Matched, Duet Review

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Ruby Tubes EL84 Premium Matched, Duet Feature

• Labeled with matching measurements for plate current and transconductance Optimal performance and long life6-month replacement warranty

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.

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Customer Reviews

Oct 09, 2011 23:02:03