MUZISHARE X20 300B 845 Unsymmetrischer Röhrenverstärker der Klasse A und Endstufenbalance
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Features of this machine:
1: Purely handmade, the whole machine adopts scaffold welding
2: Two EI-type single-ended output transformers with high-quality special craftsmanship and high-quality wide frequency response made of Z11 iron core
3: Use a Z11 iron core and a high-power power transformer fused with special materials.
4: Pre amplifier use two 6SL7 and 6WG7 vacuum tubes: two 300B vacuum tubes and a drive transformer are coupled to the power amplifier, and the sound is full and smooth , Dynamic.
5: Use two 845 vacuum tubes to enter Class A single power amplification.
Power-on mute delay function (about 30 seconds).
This machine is specially added with balanced input function and pure power amplifier function
9: Power-on high voltage delay and mute delay function (about 30 seconds)
11: Use ALPS motor potentiometer
12: Easy-to-install pluggable vacuum tube protective cover
13: Peripheral power tube bias current adjustment function
Technical parameters:
Rated output power: 30W+30W (RMS)
Harmonic distortion: 1% (1kHz)
Whole machine frequency response: 15Hz~35kHz (-1.5dB)
Input sensitivity:280mV;1000mV( pre in)
Left and right output balance: <1db
Input impedance: 100k Ω
Output impedance: 4 Ω, 8 Ω, 16 Ω
Signal to noise ratio: 92dB
Weight: 50kg
Whole machine power consumption: 430W
Use vacuum tube: 6SL7/6N9P×2, 6W7G×2, 300B×2, 845×2
Machine volume (W×D×H): 470mmx435mmx285mm
Power supply voltage: ~110V220N±5%(50Hz)
Working conditions: Temperature: 0℃~40℃ Humidity: 20%~80%
Storage conditions: Temperature: -20℃~70℃ Humidity: 20%~90%