Yaqin MS-650B


The Yaqin MS-650B tube amplifier is a top-of-the-range integrated amplifier with 845 triode tubes, designed to deliver unparalleled sound quality in a well-maintained and aesthetically pleasing cabinet.

This product can only be picked up. Custom shipping is possible upon consultation.


Product details

Product: Yaqin MS-650B 845 Tube Class A Single End Integrated Amplifier
Color: Silver/Black

Product description

The Yaqin MS-650B is a powerful tube amplifier designed for audiophiles looking for superior sound quality. This integrated amplifier uses the 845 triode tubes and works in class A mode, which ensures exceptionally clean and detailed sound reproduction.

Cosmetic description

The device is in beautiful condition with any minimal signs of use, which are clearly indicated in the photos. The finish of the amplifier is well maintained with hardly any signs of wear, which enhances the aesthetic value of this high-quality audio component.

Functional notes

All functions of the Yaqin MS-650B have been tested and work as expected. The amplifier offers 15 watts per channel into an 8 ohm load and has a frequency response of 10Hz to 32kHz. The actual SRPP circuit design ensures a wide frequency response and low output impedance, which powerfully contributes to the excellent sound quality.


Output power: 15W + 15W (8Ω)
Distortion: ≤1.5% (at 10W)
Frequency response: 10Hz – 32KHz (-2dB)
Input sensitivity: ≤0.3V
Tubes: 845 x 2, 12AT7 x 2, 12AU7 x 4
Impedance: 4Ω to 8Ω
Power consumption: ≤330W
Weight: about 41 kg


New Matched Pair Linlai 845 Tubes
Power cord

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