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Shengya CD-3.8 tube à vide lecteur CD entièrement équilibré lecteur CD maison HIFI Version améliorée

Shengya CD-3.8 tube à vide lecteur CD entièrement équilibré lecteur CD maison HIFI Version améliorée
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Product Price: $2,885.99 USD
Product Model: Shengya CD-3.8
Shipping Weight: 22 Kg

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Detailed introduction:
1. CD-3.8 is an upgraded product improved from the original CD-3.5; compared with CD-3.5, this machine has added an ECC82 tube to improve the sound quality and tone of the RCA output.
2. This machine is equipped with two output options: transistor audio output and tube audio output; it is convenient for users to choose one of the output modes according to different equipment or hobbies.
3. Transistor audio output adopts advanced operational amplifier, low frequency deep OPA2604, deep and powerful low frequency, wide sound field and powerful dynamics. The electronic tube audio output adopts the imported fever-grade electronic tube ECC82, the sound is beautiful and pleasant, the vocal is thick and warm, and the intermediate frequency is delicate and soft.
4. The movement continues to use Philips VAM1202, equipped with a highly integrated CD7-II digital servo IC, which makes it accurate to read discs, strong in error correction, and strong in shock resistance.
5. The digital and analog conversion chip is the latest decoding chip PCMl792 from Burr-Brown Company in the United States. The chip has 24bit conversion accuracy and 192KHz sampling frequency, which can accurately restore every detail of music. In addition, to ensure conversion accuracy, an independent active clock is especially used.
6. The analog signal amplification adopts the high-precision, high-speed operational amplifier OPA627, OPA2134 and OPA2604 of Burr-Brown Company. Precise analog low-pass filter circuit effectively removes residual digital interference noise and significantly improves music quality.
7. Dual transformer power supply: The analog power supply is powered by a high-flux, low-leakage toroidal transformer. Digitally, the power of the movement is also supplied by another independent toroidal transformer to ensure that all parts of the circuit do not interfere with each other.
8. Electron tube and field effect tube hybrid precision high-voltage stabilized power supply, with extremely high voltage stability. The AC ripple coefficient is extremely low, and the sound performance is more "guts".
9. XLR adopts Swiss NEUTRIKP terminal, RCA terminal adopts German WBT terminal to ensure beautiful sound quality and durable performance. Japanese Furukawa gold-plated AC power socket is equipped with Swiss Schulte refrigerated fuse. The power cord is American-made XLO (Supreme Brand) high-quality wire, which is very helpful for sound field positioning, depth, width, airiness, and control.
10. The chassis of this machine has the same design concept as the power amplifier chassis, and the three-point landing foot has a positive effect on the balance of the chassis and the attenuation of external force vibration; the aluminum alloy structure chassis can also effectively reduce its resonance frequency and improve the sound quality and purity.
11. Infrared full-function aluminum alloy remote control
 
technical parameter:
Transistor audio output:
Audio output level 2.5V
Frequency response 10Hz-20KHz±0.5dB
Dynamic range ≥100dB
Signal to noise ratio> 95Db
Harmonic distortion <0.003%
Channel separation> 90dB
Tube audio output:
Audio output level 2.5V
Frequency response 10Hz-20KHz±0.5dB
Dynamic range ≥100dB
Signal to noise ratio> 94dB
Harmonic distortion <0.005%
Channel separation> 90dB
Dimensions (W×H×D) 446×120×420(mm)
Weight 17kg

Shengya CD-3.8 Vacuum tube Fully Balanced CD Player HIFI Home CD Player Upgraded Version