Upgrade version tube ：

Fully upgrade gold-plated circuit

1: KT88x4 vacuum tube post-propulsion, high pressure resistance, full and moist sound

2: 12AX7Ax3 vacuum tube high gain tube, which is 100 times the gain factor of ordinary 6N3, 6N8, etc.

3: 12AT7Ax4 vacuum tube is better, the sound thickness, density, dynamics and sound field are better than other tubes

Product parameters:

Model: MC275

Output resistance group: 4 ohms 8 ohms 16 ohms

Output power: stereo mono 75W / mono bridge method 150W

Bile duct model:

4/PCS KT88 tube

3/PCS 12AX7 tube

4/PCS 12AT7 tube

Frequency response: 10Hz-50kHz

Harmonic distortion: 0.5%

Signal to noise ratio: 》98dB

Input sensitivity: 400mV

Basic version：