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1PCS 300B-N Audio Tube Amplifier

Combo Amps
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  • Detail

    Combo Amps
    Heating voltage*...5V or 2.5V
    Heating current: 1.2A or 2.4A
    Plate voltage: 300V
    Gate voltage**...58V
    Board resistance: 700 ohms
    Board current: 60mA
    Magnification: 3.85

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