No.5802是 Mark Levinson 新一代的5000系列綜合擴大機,是每聲道輸出125瓦(8歐姆負載)的綜合擴大機,其功能含純數位輸入,沒有類比書入端。也可以說為了數位無實體唱片時代所設計的綜合擴大機。
Digital Audio
The Nº 5802 delivers outstanding digital audio capability through the Mark Levinson Precision- Link II DAC. The latest generation ESS Sabre 32-bit D/A converter with jitter elimination circuitry and a fully balanced, discrete current-to-voltage converter form the heart of the digital audio processing stage. Six digital audio inputs are provided: One AES, two coaxial and two optical S/PDIF, and one asynchronous USB for playback of high resolution PCM (up to 32 bit/384kHz) and DSD (up to 11.2MHz) files. The Nº 5802 includes MQA (Master Quality Authenticated) technology, which enables playback of MQA audio files and streams. A Bluetooth receiver equipped with aptX-HD enables the highest quality Bluetooth playback available.
Amplification
The fully discrete, direct-coupled, class AB amplifier channels get their power from an oversized (500+ VA) toroidal transformer with individual secondary windings for the left and right channels. The voltage gain stage employs a topology directly descended from the acclaimed Nº 534 amplifier, which is mated to an output stage comprising two high-speed driver transistors operating in class A and six 260V, 15A output transistors. Two Thermal-Trak devices in a unique configuration guarantee stable output bias regardless of load or temperature. Four 10,000-microfarad capacitors per channel, located directly on the output stage circuit board, easily provide enough current for a conservative 125W/channel at 8 ohms, nearly 250W/channel at 4 ohms, and stable operation down to 2 ohms. Variable line-level RCA outputs allow system expansion and flexibility........
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