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หมวดหมู่ | Vacuum Tube Integrated Amplifier |
สภาพ | สินค้าใหม่ |
เพิ่มเติม | |
สภาพ | สินค้ามือสอง |
เกรด | |
สถานะสินค้า | |
ระยะเวลาจัดเตรียมสินค้า | |
เข้าร่วมโปรโมชั่น | |
ไฮไลท์ |
Willsenton R-800i 300B 805 Tube Single-Ended Class A Integrated Amplifier
Features:
The Export version uses the piano lacquer transformer cover that shows its very high range.
The Export version uses the Special Tailor-Made tube socket for the 805, so, make the tubes very well connected and strong, tubes get long life and have a nice sound.
Hand welding point-to-point, the main circuit adopts shed welding
Two wide frequency high-end EI type single-ended output transformers with high-end special technology and high-quality broadband response made of Z11 iron core to get the sweet sound.
High-voltage power supply and filament power supply independently use large high-efficiency toroidal, high-power power transformers with Z11 cores and special materials with sweet voice.
High voltage and low voltage dual power transformers, double insurance design, lightning protection and short circuit protection, and electronic tube insurance are adopted to prevent the electronic tube from burning the transformer. Level meter and bias meter switching use. Blu-ray dual meter design, true full balance input, and pure rear stage independent input.
The whole machine is designed with an aluminum alloy casing. It adopts imported materials and is tested and inspected in strict accordance with European standards.
The front stage uses one 12AX7(ECC83)(Brand JJ) and two 6SN7 vacuum tubes; the driving part uses two 300B electronic tubes to amplify the rear stage.
The front stage uses a 274B(fishhook style) for rectification
The rear stage uses two 805A vacuum tubes for class A single-ended power amplification
Five groups of signal input A, B, C, (D) BALANCE, E (PREIN) This machine is specially equipped with a balanced input function and pure rear function
Power on mute delay function, soft-start feature to prolong tube life (about 30 seconds).
Infrared function remote control
Use Japanese ALPS high-end potentiometer
Easy-to-install plug-in vacuum tube shield
Peripheral power tube bias current adjustment function and power output level meter sensitivity switch
Negative feedback circuit design
Soft, pure, and sleek sound, suitable for listening to various types of music
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Product parameters:
Rated output power: 48W + 48W (RMS) Machine frequency response: 12Hz ~ 35kHz (-1.5dB) Input sensitivity: 280mV Balance input: 280mV Pure power stage: 1800mV Input impedance: 100KΩ Output impedance: 4Ω, 8Ω, 16Ω Harmonic distortion: 1% (1kHz) Signal to noise ratio: 90dB Left and right output balance: <± 0.5dB Power consumption: 380W Vacuum tube: 12AX7 × 1, 6SN7 × 2, 274B x1, 300B × 2, 805 × 2 Working conditions: temperature: 0 ° c ~ 40 ° c humidity: 20% -80% Storage conditions: temperature: 20 ° c ~ 70 ° c humidity: 20% -90% Machine volume: (440 * 410 * 275) mm Net weight: 42kg Gross weight: 48kg Power supply voltage: AC 240V ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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