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  • MC-100B KT88 HiFi Vacuum Tube Push Pull Integrated Amplifier, HiFi Valve Tube Pure Amplifier, 110V/220V, RCA Jack x 4 Input, 50Wx2 / 25Wx2 Output, KT88/6N8P/12AX7B Tube AMP
  • Monitor optional: [ 1PCS ] [ 2PCS ] [ 3PCS ]
    • ✅ YaQin MC-100B can use like a pure power tube amplifier or also an integrated tube amplifier, User-selected amplifier modes, UT (Ultra linear) mode provides greater output power and TR (Triode) mode does smooth and rich sound, Provides user adjustable bias, test points to refine bias of the output tubes.
    • ✅ Beautiful aluminum and steel heavy duty chassis, panel and bezels, chrome plated handles,gold plated connectors, gold tube sockets, 220V/110V switch, Independent power supply for each channel.
    • ✅ The best channel isolation is provided by four over-sized transformers with independent DC filtering circuits, Applies special potentiometer, capacitors and high quality metal precision resistors dedicated for audio frequency, volume controller with low noise, and durable.
    • ✅ Use 12AX7B and 6N8P vacuum tube for voltage amplification and phase inversion, Famous KT88 vacuum tube to do push-pull power amplification, low distortion, high efficiency and high output power.
    • ✅ This amplifier deliver balanced and colorful tone , a perfect choice to play vocal , symphony and classic music.Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating.

YAQIN MC-100B KT88 Push-pull tube amplifier HIFI vacuum tube amplifier

Transformer use silicon steel and oxygen-free copper, to ensure a clean and strong signal from input to output with no static and an extremely low noise floor.


  • Output Power:
  • Ultra-linear: 50Wx2 (8 ohm)
  • Triode state: 25W x2 (8 ohm)
  • Tubes: KT88 x 4, 6n8p(6SN7) x 4 and 12AX7 x 2
  • Input sensitivity: Integrated 0.25V Power 0.6V
  • Frequency: 5Hz~80KHz (-2dB)
  • Signal/Noise Ratio: ≥90dB
  • Harmonic Distortion: <1.5%
  • Input impedance: 20Kohm
  • Consumption: 300W
  • Load impedance: 8ohm or 4ohm
  • Signal Inputs Level: >300mv
  • Audio Input: 4 groups
  • Audio Output: 2 groups
  • Input impedance: 20Kohm
  • Colour: Gold Body & Dark Green
  • Size: 18.5x15x8.2in(Deep x wide x high)

  • Product weight: about 59lb
  • Package weight : 66lb
  • Input voltage: 110-120v or 220-240v 50/60hz available.

Tube Amplifier Precautions

1. Tube amp must connected with speakers before turning ON. Strictly prohibit send signals to amp without connected loads(speakers) or load short circuit when the switch is ON.

2. Too high or too low power supply voltage does irreversible harm to the amp,preferably less than 5% of the specified voltage. If your mains voltage exceeds this value, often best to use with the AC power supply.

3. Temperature is higher when tube amps working, placing attention to ventilation, cooling.

4. In the boot or just shut down for a period of time (within 30 minutes) Do not spill liquid on the tubes.

5. You should take about 100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.so during the first 100h use time the sound maybe is not the best,you can also use your own run-in method.

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