Yaqin MS-77T*4 Push-pull Tube Amplifier 40W*2 7027BX4 6J1X8 110V 220V

1. Headphone insertion hole

2.TR pattern

3.UT pattern

4. Volume adjustment

5. Signal selection

6. Red/green two-color high voltage delay indicator

7.Signal input

8.Right channel circuit insurance tube

9.Left channel circuit insurance tube

10.Power input socket port and insurance tube

Electrical performance index:

Name/Model: MS-77T

Volume: 325mm: 430mm*210mm (L*W*D)

Gross weight: about 24kg

Net weight: about 21kg

Use Vacuum tube: 7027BX4 6J1X8

Output power: 40W+40W (8Ω)
Load impedance: 4Ω-8Ω

Maximum power consumption: â‰Â¤250W

Signal to noise ratio: â‰Â¥88dB (A weighting)

Distortion: â‰Â¤0.5% (1KHz)

Frequency response: 5Hz~68KHz

Input sensitivity: â‰Â¤0.23V (1KHz)