A20B single-ended pure class A electronic tube amplifier HiFi high-fidelity Bluetooth 5.0 6N3C/6L6/EL34

SKU: A20B026053101
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  • Model:
    A20B (6N3C Version)
    A20B (EL34 Version)
Quantity:
  • A20B single-ended pure class A electronic tube amplifier HiFi high-fidelity Bluetooth 5.0 6N3C/6L6/EL34
  • A20B single-ended pure class A electronic tube amplifier HiFi high-fidelity Bluetooth 5.0 6N3C/6L6/EL34
  • A20B single-ended pure class A electronic tube amplifier HiFi high-fidelity Bluetooth 5.0 6N3C/6L6/EL34
  • Description
Since the launch of the EL34 gallbladder machine, it has received support and recognition from a large number of audiophiles and audiophiles. The internal process uses military double-sided PCB with shed welding, which results in very low noise, deep sea, and dark background.
The working voltage of the gallbladder machine is over 300 volts, which is ten or twenty times that of a regular transistor amplifier. It performs very well on the details of music, and with rich even harmonics, it gives a soft and mellow listening experience without losing its beauty. Old songs are never tired of listening to, and when combined with our specially customized full range speakers for vocals and strings, it can perform very well. Coffee shops and other business places that require background music can also have good effects.
Don't worry, the small gallbladder machine won't be able to push the 10 inch speaker floor standing speaker. Turning it up to 2 minutes is enough volume. Connecting to an amplifier via Bluetooth, when you hear "Tuoling" from Jiangyang Zhuoma, you may be moved to tears. Compared to listening with an AV amplifier, it feels like your soul has been elevated to a higher level. The strong sense of music cannot be compared to that of a stone machine. Due to stable wiring and high-quality materials, it can be turned on continuously for 24 hours without worrying. Never tire of listening!

The most common EL34 tube in the market, EL34 amplifier circuits are widely used. Many customers have used 300B and FU50 tubes before, but after comparison, they found that EL34 offers better detail and harmonics, with smoother vocal reproduction. FU50 tubes are mostly stock tubes with lower prices (15 yuan each domestically produced), significantly inferior in lifespan and quality to new EL34 tubes. There's no universal "better" standard for tubes - only what suits your ears best. The notion of "outperforming" or "superiority" should be abandoned, as all tubes have their own characteristics.

This machine adopts a circuit designed for the Soviet 6N3C power tube. In a single-ended circuit, the 6N3C outperforms the EL34, and its price is relatively more affordable and accessible. However, it has been hidden and little-known. The sound is transparent, the tone is sweet and mellow, the resolution is good, and the appearance is beautiful and elegant.

Output power: 10WX2 (8 Euro Class A)
Bluetooth Protocol: 5.0
Frequency response: 20Hz-25KHz
Total harmonic distortion: 1% (1kHz)
Input sensitivity: 500mV-2000mV
Input impedance: 100K Ω
Signal to noise ratio: 91dB
Electronic tube: 6N3C * 2, 6N2 * 1
Replacement model: EL34/6P3P/6L6
Dimensions: 172 W x 139 H x 281 D
Weight: 6.5KG (including packaging according to 8KG)
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