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Amazon.com: Willsenton R800i 300B 805 Tube Single-Ended Class A Integrated Amp & Power Amplifier with Balanced XLR Input : Musical Instruments
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Amazon.com: Muzishare R100 300B 805 Single-Ended Class A,an Integrated Tube Amplifier,Dirct Power Amp, Phono Amplifier,XLR Input, Output Power 50WX2, with Remote Control : Electronics