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  • Description
    Features of this machine circuit:

    1.The amplifier uses improved export-mounted EL34B and push-pull circuit for strong output.

    2.The pre-stage and inverter circuit all use 6J1 pentode connected to a triode, so that the frequency response is wider and the sound quality is better.

    3.The transformer uses audio silicon steel sheet imported from Japan (0.35mm thick) and Oxygen-free copper high-strength enameled wire and special multi-layer layered grouping winding process make this machine widefrequency response,Toensure that the high, medium and low frequency sound of this machine is good, transparent and powerful.

    4.This machine is made of electrolytic and Philips (MKP) stepless capacitors and high-precision gold resistors for audiophiles from famous foreign manufacturers. The main channel uses the Japanese imported (ALPS) audio volume motor potentiometer, which has the characteristics of quiet music background, low noise, no sound staining and durability.

    5.The high-voltage power supply is controlled by automatic delay power-on, which can effectively extend the life of the tube.

    6. Special ultra-linear (UL) and tertiary (TR) connection functions to meet different user needs.

    7. With remote control and display function.

    Technical index:
    Output power: 40W + 40W (8Ω)
    Harmonic distortion: ≤0.5% (1KHz)
    Frequency response: 5Hz-68KHz
    Signal to noise ratio: ≥88db(A)
    Input sensitivity: ≤0.23V (1KHz)
    Tube: EL34Bx4 6J1x8
    Load impedance: 4Ω-8Ω
    Maximum power consumption: ≤250W
    Machine size:430mmX325mmX210mm
    Outer packaging size:565mmX435mmX345mm
    Net weight: about 21KG
    Gross weight: about 24kg


YAQIN MS-30L EL34B*4 6j1*8 Tube Amplifier

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