YAQIN MS-23B MM RIAA Stereo Tube Pre-Amplifier + Phono Stage



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Product Details


Ability to work with an MM cartridge or a high output MI (Moving Iron) cartridge turntable;
This phono stage can be used with an integrated amplifier which has volume control.
Employ DC filaments power supply to minimize humming noise.
Adopts conventional active RIAA equalization in phono stage circuit;
Power transformers manufactured with silicon steel sheet and high quality oxygen-free enamelled copper wire;
Utilizes the audiophile capacitors, such as Japanese Nippon Chemi-con capacitor filters, and high quality metal precision resistors dedicated for audio frequency;
Beautiful aluminum heavy duty chassis and faceplate.

Technical Specifications
Tubes: 12AX7B × 2 (Voltage preamplifier)
Output Voltages: 0.5V (400Hz input/500mv)
Output Jacks: One group of gold plated RCA jacks
Input Sensitivity: ≤4.0mV (400Hz, 0.5V output)
Input Jacks: One group of gold plated RCA jacks plus a grounding terminal
Signal-to-Noise Ratio: >85dB (A weight)
Distortion of Harmonic Wave: ≤0.11%(400Hz input)
Cartridge Suitability: MM (Moving Megnet) cartridge
Supply Voltage: AC115V 60Hz
Dimension:17cm(W) x 20cm(D) x12cm(H) (7” x 8” x 5”)
Net Weight: 2.3kg (5.1lb)
Shipping Dimension: 27cm x 23cm x 21cm
Gross Weight: 3.0kg (6.6lb)

A YAQIN MS-23B unit
A Power plug
A Manual
Dual power supply voltages are available on this unit, 115VAC for North America, 220VAC for Asia and Europe. The unit is preset at factory for using with 115VAC.

Questions & Answers

  • Q: could i get a copy of the user manual for the MS-23B?
  • A: Hi Larry, We sent the manual to your email. Kindly check that. Thank you!
  • Larry 5/25/19 9:27 PM Asked.
  • Q: Hello, Is it possible to receive a copy of the manual please. Thanks Sreve
  • A: Dear Steve,we had sent email to you.Please check.
  • Steve Carter 2/21/18 1:20 PM Asked.
  • Q: Hello, I have lost my manual for the MS-23B I purchased last year. Would you please send me a copy of the manual to my email? I am enjoying the phono preamp. Thank you, Carlton
  • A: Hi, We had attached the manual on the attachment. Please check. Best Regards Kerwin Shenzhenaudio
  • Carlton 11/18/17 10:20 PM Asked.
  • Q: Could you PLEASE mail me a pdf of the Yaqin mc 12b manual. I would really appreciate it.
  • A: Hi Hennie,we had sent to your email,please check it.Thank you.
  • Hennie Steyn 2/6/17 7:03 AM Asked.
  • Q: Hello, I have just become the owner of a YAQIN MS23-B Phono Preamp and I'm really pleased with it, but the unit not come with any type of instruction manual. I know it's pretty much self explanatory, but I would like to reference the specifications etc Thanks and best regards. Bob
  • A: Hi Bob,The manual had sent to your email.Please check it.Thank you.
  • Bob Pirie 7/31/16 12:23 PM Asked.