Ruby Tubes EL84C Power Vacuum Tube Matched QUARTET QUAD
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About This EL84 Power Vacuum Tube Matched Quartet / Quad
This is for a matched pair, suitable for a 30W guitar amplifier.
A premium tube that produces more power, more tone, and higher fidelity with an extended dynamic range. All Ruby output tubes are labelled on the base with the exact matching measurements for plate current and trans-conductance. By matching these parameters, optimal performance and long life are ensured.
The Tech Features
Model: RUBY EL84C4PK