





Yaqin MS-650B Bladder Machine 15W* 2 845 Vacuum Tube Amplifier Fever HiFi High Fidelity Power Amplifier Home Audio
$1,659.00 – $1,759.00Price range: $1,659.00 through $1,759.00
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Features & Compatibility
Circuit features of this machine:
â—The front stage is an "SRPP" circuit with wide frequency response and low output impedance.
â—The rear stage amplifier is a high-power triode (845) with low internal resistance, and is a Class A single-ended amplifier with good sound quality.
â—The rear stage driving circuit is an "SRPP" circuit, which is a double-tube parallel connection, with wide frequency response and strong thrust.
â—The output transformer uses Japanese imported audio oriented silicon steel sheet Z11 (0.35mm thick) and oxygen-free copper high-strength enameled.
â—The wire and special winding process are layered and grouped to make the machine have a wide frequency response, ensuring that the high, medium and low frequency sound of the machine is good, transparent and powerful.
â—This machine is made of foreign famous audiophile-grade electrolytic and non-polar (MKP) capacitors and high-precision gold resistors.
â—The main channel uses the audio Japanese imported (ALPS) volume motor potentiometer, which has the characteristics of quiet music background, low noise, no sound coloration and durability.
â—The high voltage power supply is automatically delayed to control the power supply, which can effectively extend the life of the electron tube, and has a full-function remote control. A large VU meter is used as a sound star indicator, which can professionally and accurately reflect the size of the sound.
â—Each channel uses a 20000uf capacitor, and the two channels have a total of 40000uf capacitors as a DC filter circuit to supply power to the filament, making the machine extremely low in noise and better in sound quality.
Technical indicators:
â—Output power: 15W+15W (8Ω)
â—Distortion: â‰Ã‚¤ 2.5%
â—Signal-to-noise ratio: 77db (A-weighted)
â—Frequency response: 10Hz-30KHz (-2dB)
â—Input sensitivity: â‰Ã‚¤ 0.3V
â—Electron tube: 845*2, 12AU7/ECC82*4, 12AT7/ECC81*2
â—Resonant impedance: 4Ω-8Ω
â—Power consumption: â‰Ã‚¤ 330W
â—Weight: about 41KG














Additional information
| Weight | 45.000 kg |
|---|---|
| Dimensions | 47 × 52 × 37 cm |
| Brand Name | NONE |
| Control Method | Others |
| Material | others |
| Surround sound channel configuration | Others |
| Output Power | 15W |
| High-concerned chemical | none |
| Maximum Power Per Channel | 15 W |
| Origin | Mainland China |
| Number of channels | 2(2.0) |
| Package | Yes |
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