YAQIN MS-300C 9.5WPC 300B x 2 Vacuum Tube Hi-End Tube Integrated Amplifier

SKU: FM295
Price: US$1,199.99
In Stock - Shipping within 48 hours Worldwide Free Shipping
  • Tube rectifying and choke filtrations
  • High DC voltage delay circuit to protect tubes
  • Front headphone output for direct earphone listening
  • The latest version of 300B output tube amp from Yaqin

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Technical Specifications

Tube: 300B × 2 (Output Tubes)

           6N8P × 2 (Drivers and Cathode followers)

           12AT7 × 2 (Voltage amplifiers)

            5Z3P × l (Rectifier)

Maximum Output: 9.5W × 2 (8Ω)

Output Jacks: Two channels with two groups of gold plated jacks

                        Headphone jack on the front panel

Speaker Output: Impedance: 4Ω and 8Ω

Headphone Output: Impedance: 32Ω (Recommended)

Input Jacks: Four groups of gold plated isolated RCA jacks

Input Sensitivity: 0.3V

Distortion of Harmonic Wave: ≤1% (at 4W)

Frequency Response: 5Hz ~ 35KHz (-2dB)

Signal-to-Noise Ratio: >89dB (A weight)

Remote Controller: Infrared control and powered by 2 AAA batteries

Supply Voltage: AC 115V 60Hz

Power Consumption: 200W

Net Weight: 23kg (50lb)

Net Dimension: 48cm (W) x 36cm (D) x 24cm (H)

Shipping Weight: 28kg (61lb)

Shipping Dimension: 60cm x 50cm x 40cm



This is the latest version of 300B output tube amp from Yaqin. Based on the previous version of MS-300B amp, MS-300C adds the external bias adjustment of 300B tubes and removes the speaker/earphone selecting switch on the rear panel.

Two 300B king tubes, pure Class A, and single-end integrated amplifier;

Tube rectifying and choke filtrations;

High DC voltage delay circuit to protect tubes;

Gold plated tube sockets;

Front headphone output for direct earphone listening;

Infrared remote control for volume adjustment and input selections;

Utilises the audiophile capacitors and high quality metal precision resistors dedicated for audio frequency;

Output transformers manufactured with Japanese silicon steel sheet and oxygen-free enamelled copper and high quality lacquer, which offer a wide dynamic range at full rated output;

Applies motor driven special potentiometer as volume controller with low noise, and durable and remote controllable;

Employs DC filaments power supply for 300B tubes to minimize humming noise;

Beautiful aluminium and steel heavy duty chassis, faceplate and bezels.



A YAQIN MS-300C unit

A Power cable

A Remote control

Hex screw drivers to mount the cover cage and to adjust bias

Customer Questions & Answers


I live in the U.S. can I order with both 110 and 220 volt

11/25/15 11:32 PM Asked.

Hi Ferdinand,  Thanks for your question.  Yes,you can order with both 110 and 220 volts,please leave us a message when you pay via paypal or email us is ok.  Thanks,  Bill

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is it possible to change 6sn7 driver tubes by el34?  i know 6sn7 & el34 are two different tubes but it write on amp  el34/6ca7

4/4/17 3:00 AM Asked.

Hi babak,    Tube: 300B × 2 (Output Tubes)     6N8P × 2 (Drivers and Cathode followers)     12AT7 × 2 (Voltage amplifiers)     5Z3P × l (Rectifier)

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