Benchmark DAC1 HDR Manual de Instruções descarregar pdf (Página 6)

DAC2 Series Instruction Manual Rev C Page 6

Overview

The DAC2 builds upon Benchmark’s highly

successful DAC1 product family. Every DAC1

subsystem has been redesigned and

upgraded to achieve higher performance.

The DAC2 includes an updated version of

Benchmark's highly-effective UltraLock™

jitter-attenuation system.

y New features have been added to extend

the versatility of the product, and improve

the listening experience. These features

include: native DSD conversion,

asynchronous USB 2.0, asynchronous USB

1.1, home theater bypass, digital pass-

through, polarity control, word-length

display, sample-rate display, a bi-

directional 12V trigger (DAC2 HGC and

DAC2 L model only), and additional I/O.

The DAC2 includes Benchmark's high-

performance HPA2™headphone amplifier

(DAC2 HGC and DAC2 D model only), and

Benchmark's aluminum remote control.

Performance Improvements

Lower Noise than the DAC1

Four balanced 32-bit digital-to-analog audio

converters are summed together to form each

balanced output channel. The 4:1 summing

reduces noise by about 6 dB. Overall, the

DAC2 is about 10 dB quieter than the DAC1.

Low-level musical details are faithfully

reproduced over a breathtakingly quiet noise

floor.

Lower Distortion than the DAC1

Benchmark’s DAC1 converters are known for

their very low distortion (THD and IMD). The

DAC2 sets new benchmarks for clean and

transparent musical reproduction.

Low Power Consumption

The DAC2 uses high-efficiency low-noise

power supplies. Each critical subsystem has

at least one dedicated low-noise regulator.

The unit runs cool while providing substantial

power to the headphone and output drivers.

A power switch is included.

UltraLock2™ Clock System

UltraLock2™ provides the outstanding jitter

attenuation of the older UltraLock™ system

while providing a higher SNR.

High-Headroom Digital Processing

All digital processing includes at least 3.5 dB

headroom above an input level of 0 dBFS.

This prevents all clipping in the digital

processing, and provides clean and

transparent audio reproduction.

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