Ruby el84cz premium matched duet… #8917m

Ruby El84cz Premium Matched  DuetRuby El84cz Premium Matched Duet
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 parametersLabeled with matching measurements for plate current and transconductanceOptimal performance and long life6-month replacement warranty
Ruby Ruby El84cz Premium Matched Duet TUEL84CZ-MP Accessories, Amplifier Parts, Tubes for Instrument Amps, Power Tubes

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Ruby El84cz Premium Matched Duet