Benchmark DAC1 HDR Manual de instrucciones descargar pdf (Pagina 7)

DAC2 Series Instruction Manual Rev C Page 7

New Features

Native DSD Conversion

The DAC2 supports native DSD conversion.

DSD signals can be delivered to the USB or

Coaxial inputs in DoP 1.1 format. The DSD

signal is then routed directly to a bank of 1-

bit DSD D/A converters. Four balanced 1-bit

converters are summed together for each

balanced output.

Asynchronous USB 2.0

The USB interface supports DSD and 192 kHz,

24-bit PCM. The DAC2 generates the

conversion clocks and totally eliminates the

USB interface as a source of jitter. No drivers

are required for Apple operating systems.

Drivers are provided for Windows operating

systems at

http://www.benchmarkmedia.com/dac/dac2-

drivers.

Native Asynchronous USB 1.1

The DAC2 has a driverless USB 1.1 mode

that supports 96 kHz, 24-bit PCM with all

operating systems. This mode provides quick

and easy connection to a wide variety of

computers and tablets.

New Hybrid Gain Control

HGC™ is Benchmark’s unique Hybrid Gain

Control that combines active analog, 32-bit

digital, and passive analog attenuation

systems. HGC™ puts an end to the debate

about analog versus digital gain controls, and

passive versus active analog attenuation.

The dual-domain HGC™ system combines the

high dynamic range of Benchmark’s HDR™

analog control with the low distortion, and

accuracy of digital control. HGC™

outperforms traditional analog or digital

volume controls, including the two-stage

DAC1 HDR™ system. Musical details are

preserved over a very wide range of output

levels. Analog inputs are controlled in the

analog domain. Digital inputs are controlled

in both domains.

The volume control is a servo-driven analog

potentiometer. This control rotates in

response to commands from the remote

control while providing the convenience of

manual adjustments.

Low-impedance passive output attenuators

optimize the gain range of the active analog

and digital gain sections.

HT - Home Theater Bypass (DAC2

HGC and DAC2 L model only)

The home theater bypass is useful when you

have a home theater system and want to

bypass the signal through the DAC2. Set the

DAC2 between your AVR and your power

amp through the left and right channels of

your analog inputs. The DAC2 can drive the

left and right power amplifiers, while the

home theater system drives all other power

amplifiers. When the home theater mode is in

use, left and right audio passes through the

DAC2 at fixed-gain, and the home theatre

system controls the audio level.

HT – High Throughput Mode

Any digital input can be placed at fixed-gain

in HT mode. In HT mode, the digital audio

output is set to a fixed audio level. This mode

is useful if the output is going to a stereo

preamp. (Note: DAC1 users will find this

function to be similar to the DAC1’s calibrated

mode.)

Digital Pass-Through

The second coaxial input (D4) can be

reconfigured as a digital output. When

operating as an output, any selected digital

input is passed through to (D4) without any

processing. Optical, coaxial, and USB inputs

can be passed through to the (D4) connector.

This even includes special signals such as

DoP, DTS, Dolby Digital, etc.

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