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  • Description

    1.Tube:The front stage uses 12AX7X2, the inverter stage and the push stage use Soviet 6H8CX4, The latter stage uses Russian KT88-EHX4.

    2.High-quality tin spray double-sided, 2A copper epoxy fiberboard,It has the advantages of circuit specification, strict ability to effectively reduce distortion and improve signal-to-noise ratio to achieve high fidelity effect.

    3.Selected from Russian KT88-EH tube,the sound quality is dynamic and sharp, the tone is delicate and the sound is loose, with a great sense of space,It's easy to engage in music and make you exciting.

    4.Components: reasonable structure,using fever circuit, high frequency clear and detailed, medium full frequency, loose and powerful low frequency dynamics.

    5.Mode: UL super linear mode, TR three-pole mode, AMP pure post-stage mode.

    6.Bluetooth 5.0 high-fidelity wireless playback, release the shackles of wired transmission, enjoy music freely, Bluetooth supports APT-X lossless decoding

    Model: MS-90B
    Load impedance:4Ω-8Ω
    Maximum power:≤390VA
    Gross weight: 34kg
    Signal to noise ratio:≥90dB (A weighting)
    net weight: 28kg
    Use electron tube: Russia KT88-EH*4, Soviet Union 6H8C*4, 12AX7*2
    Frequency response:
    Maximum output power:UL55W*2(8Ω), TL28W*2(8Ω)
    Input sensitivity: Combined ≤250mV, Pure post stage≤0.8V

YAQIN MS-90B Tube Amplifier

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