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4300E Audio Note (UK) 300B Tube

Audio Note (UK) 4300E / 300B are finally available, and they are thoroughly magnificent. Produced exclusively for us and to our specification by Psvane, they feature solid plate construction and Molybdenum anodes, and are the finest sounding current production 300B valves available today. We supply them as matched pairs or matched quads. If you order 8 valves, we will supply you with 2 quads, matched as closely as is possible to each other.

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