Tube replace table:
- 6SL7: 6N9P, 6H9C, ECC35, 6SC7, 6CY7
- 6SN7: 6N8P, 6H8C, 6H8M, 6H8J, CV181,QB65, ECC32
- 300B: WB300B, 4300A
- 274B: 5Z3P, 5BX1, 5U4C, GZ30, 5Z4G/GT
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MUZISHARE X9 300B Tube Amplifier HIFI Pure Power Integrated Lamp Balanced Amp single-ended Class A vacuum tube power amplifier
Features of the machine
1. It is made by hand, and the whole machine is welded by scaffolding
2. Two Japanese E-type output transformers with high quality, wide frequency response and high sound quality are used
3. Use high power Z11 core ring power transformer specially designed for this machine
4. In the high voltage part, two dawning 274b vacuum tubes are used for full tank rectification. 5. Two Czech 65l7 and 6sn7eh vacuum tubes are used in the front stage, and two 3008 vacuum tubes are used for class a single ended power amplification
6. Peripheral power transistor current adjustment button, current display and dynamic output level UN meter
7. Japanese APS motor potentiometer and German mondorf MCAP heating capacitor are used
8. Power on mute delay function (about 30 seconds)
9. Infrared remote control
10. Plug in vacuum tube shield for easy installation
technical parameter
Rated output power: 8W + 8W (RMS)
Harmonic distortion: 1% (1kHz)
Frequency response: 10Hz ~ 50KHz (- 1.5dB)
Input sensitivity: 150mV (ODB) 260mw (- 3dB) 420 MV (pre in)
Input impedance: 100k Ω
Output impedance: 4 Ω, 8 Ω, 16 Ω
Signal to noise ratio: 92dB
Weight: 35kg
Power consumption: 155W
Left and right output balance: < 1dB
Use vacuum tube: 65n7 × 2, 65l7 × 2, 300B × 2, 274bx2
Overall volume (WxDxH): 430mmx393mmx236mm
Power supply voltage: ~ 110V 220 V ± 5% (50 Hz)
Working conditions: temperature: 0 ~ 40 ° C, humidity: 20% ~ 80%
Storage conditions: temperature: - 20 ° C ~ 70 ° humidity: 20% ~ 90%
