Benchmark AHB2 Instrukcja Obsługi

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DAC2 DX Instruction Manual Rev A Page 1
Benchmark DAC2 DX
Instruction Manual
Reference Stereo D/A Converter
Native PCM and DSD Conversion
Headphone Amplifier
Dual Output Buses
Asynchronous USB
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Podsumowanie treści

Strona 1 - DAC2 DX

DAC2 DX Instruction Manual Rev A Page 1 Benchmark DAC2 DX Instruction Manual Reference Stereo D/A Conver

Strona 2 - Safety Information

DAC2 DX Instruction Manual Rev A Page 10 DAC2 vs. DAC1 The DAC2 series builds upon Benchmark’s highly success

Strona 3 - Contents

DAC2 DX Instruction Manual Rev A Page 11 DAC2 DX Features Feature List  HGC™ (Hybrid Gain Control) – combin

Strona 4 - Warranty Information 69

DAC2 DX Instruction Manual Rev A Page 12 Special DAC2 DX Features The DAC2 DX has some special features that

Strona 5 - Quick Start Guide

DAC2 DX Instruction Manual Rev A Page 13 Feature Details UltraLock2™ Clock System UltraLock2™ provides the ou

Strona 6 - Front Panel

DAC2 DX Instruction Manual Rev A Page 14 feel, and convenience of an analog control while providing the accur

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DAC2 DX Instruction Manual Rev A Page 15 always provides the cleanest and shortest path from the digital sour

Strona 8 - Control Functions

DAC2 DX Instruction Manual Rev A Page 16 DAC1 and DAC2 Product History The pristine audio performance of the

Strona 9 - Applications

DAC2 DX Instruction Manual Rev A Page 17 DAC2 Series History The DAC2 series represents a complete redesign o

Strona 10 - DAC2 vs. DAC1

DAC2 DX Instruction Manual Rev A Page 18 Digital Inputs There are six stereo digital audio connectors on the

Strona 11 - DAC2 DX Features

DAC2 DX Instruction Manual Rev A Page 19 USB - Computer Input The USB input supports 44.1, 48, 88.2, 96, 176.

Strona 12 - Special DAC2 DX Features

DAC2 DX Instruction Manual Rev A Page 2 Safety Information Fuses CAUTION: FOR CONTINUED FIRE HAZARD PROTECTIO

Strona 13 - Feature Details

DAC2 DX Instruction Manual Rev A Page 20 The DAC2’s USB AUDIO 1.1 MODE provides driverless operation with Win

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DAC2 DX Instruction Manual Rev A Page 21 The Coax inputs are DC isolated, current limited, and diode protecte

Strona 15 - Low-Noise Power Supplies

DAC2 DX Instruction Manual Rev A Page 22 Analog Outputs The DAC2 DX has two independent stereo output busses.

Strona 16 - DAC1 Series History

DAC2 DX Instruction Manual Rev A Page 23 XLR Wiring The DAC2 uses industry-standard XLR wiring:  XLR pin 2

Strona 17 - DAC2 Series History

DAC2 DX Instruction Manual Rev A Page 24 AC Power-Entry and Fuses Fuses CAUTION: FOR CONTINUED FIRE HAZARD P

Strona 18 - Digital Inputs

DAC2 DX Instruction Manual Rev A Page 25 Internal Settings Jumper-Configured Options The following functions

Strona 19 - USB - Computer Input

DAC2 DX Instruction Manual Rev A Page 26 XLR Output Pads The XLR outputs are equipped with low-impedance pass

Strona 20 - D3 - AES XLR Digital Input

DAC2 DX Instruction Manual Rev A Page 27 Headphone Switch Configuration: The DAC2 is configured so that the M

Strona 21 - AES XLR to Coaxial Adapters

DAC2 DX Instruction Manual Rev A Page 28 Headphone Attenuation Jumpers (JP3 and JP4): The gain range of the H

Strona 22 - Analog Outputs

DAC2 DX Instruction Manual Rev A Page 29 Figure 4 - 10 dB Headphone Attenuation - (Factory default) Figure

Strona 23 - XLR Wiring

DAC2 DX Instruction Manual Rev A Page 3 Contents Safety Information 2 Fuses 2 Voltage Selection 2 Power C

Strona 24 - AC Power-Entry and Fuses

DAC2 DX Instruction Manual Rev A Page 30 Digital Pass-Through Function Coaxial connector D5 is factory config

Strona 25 - Internal Settings

DAC2 DX Instruction Manual Rev A Page 31 Rack Mounting Options Call us, visit our website (http://www.Benchma

Strona 26 - XLR Output Pads

DAC2 DX Instruction Manual Rev A Page 32 Benchmark Technologies Hybrid Gain Control™ "HGC" is Bench

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DAC2 DX Instruction Manual Rev A Page 33 The USB sub-system remains active when the DAC2 is powered down. Th

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DAC2 DX Instruction Manual Rev A Page 34 HPA2™ Headphone Amplifier The DAC2 headphone output is driven by Be

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DAC2 DX Instruction Manual Rev A Page 35 Fortunately, interface jitter has absolutely no effect on the audio

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DAC2 DX Instruction Manual Rev A Page 36 can add a low and mid frequency ‘muddiness’ that was not in the orig

Strona 31 - Rack Mounting Options

DAC2 DX Instruction Manual Rev A Page 37 What UltraLock™ converters cannot do: UltraLock2™ converters cannot

Strona 32 - Technologies

DAC2 DX Instruction Manual Rev A Page 38 USB Audio System Setup Plug it in and Start Listening… Immediately B

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DAC2 DX Instruction Manual Rev A Page 39 USB Driver Installation - Windows XP, Vista, 7 Note: The DAC2 driver

Strona 34 - UltraLock2™ Clock System

DAC2 DX Instruction Manual Rev A Page 4 Regulatory Compliance 67 FCC and RoHS Compliance Statements 67 FCC

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DAC2 DX Instruction Manual Rev A Page 40 2. A welcome screen will pop-up. Click “Next.”

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DAC2 DX Instruction Manual Rev A Page 41 3. When you see the following screen, turn on the DAC2, and select

Strona 37 - What UltraLock™ converters

DAC2 DX Instruction Manual Rev A Page 42 Press “Install”

Strona 38 - USB Audio System Setup

DAC2 DX Instruction Manual Rev A Page 43 5. When the installation begins you will see the following screen.

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DAC2 DX Instruction Manual Rev A Page 44 7. Click “Finish.” The Setup will close automatically and this comp

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DAC2 DX Instruction Manual Rev A Page 45 Performance Graphs - DAC2 Series The following graphs were produced

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DAC2 DX Instruction Manual Rev A Page 46 Graph Plot 2 - LOW FREQUENCY FFT - AC LINE-RELATED HUM The DAC2 sho

Strona 42 - Press “Install”

DAC2 DX Instruction Manual Rev A Page 47 Graph Plot 3 - FFT 10 kHz The 10 kHz FFT analysis is an excellent t

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DAC2 DX Instruction Manual Rev A Page 48 Graph Plot 4 - FFT 1 kHz The 1 kHz FFT analysis demonstrates the lo

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DAC2 DX Instruction Manual Rev A Page 49 Graph Plot 5 - FREQUENCY RESPONSE This plot demonstrates the ruler-

Strona 45 - Audio Precision

DAC2 DX Instruction Manual Rev A Page 5 Quick Start Guide Rear Panel Analog Audio Outputs The DAC2 DX has thr

Strona 46 - Audio Precision

DAC2 DX Instruction Manual Rev A Page 50 Graph Plot 6 - Differential Phase This plot demonstrates the inter-

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DAC2 DX Instruction Manual Rev A Page 51 Graph Plot 7 - Balanced THD+N vs. Amplitude This plot demonstrates

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DAC2 DX Instruction Manual Rev A Page 52 Graph Plot 8 - Unbalanced THD+N versus Amplitude This plot shows th

Strona 49 - Fs = 96 kHz

DAC2 DX Instruction Manual Rev A Page 53 Graph Plot 9 - Headphone Amplifier – THD+N versus Amplitude This p

Strona 50 - DAC2 - Differential Phase

DAC2 DX Instruction Manual Rev A Page 54 Graph Plot 10 - THD+N vs. FREQUENCY 80 kHz The analog output stages

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DAC2 DX Instruction Manual Rev A Page 55 Graph Plot 11 - EVEN AND ODD THD vs. FREQUENCY This plot demonstrat

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DAC2 DX Instruction Manual Rev A Page 56 Graph Plot 12 - THD vs. Frequency - All Outputs This plot demonstra

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DAC2 DX Instruction Manual Rev A Page 57 Graph Plot 13 - THD+N versus Sample Rate The THD+N performance of t

Strona 54 - Balanced Outputs

DAC2 DX Instruction Manual Rev A Page 58 Graph Plot 14 - JITTER TOLERANCE The Audio Engineering Society (AES

Strona 55 - DAC2 - THD VS FREQ AT 0 dBFS

DAC2 DX Instruction Manual Rev A Page 59 Graph Plot 15 - JITTER TOLERANCE FFT This figure shows an series o

Strona 56 - - ALL OUTPUTS

DAC2 DX Instruction Manual Rev A Page 6 Front Panel Power Switch Press once to turn on. Press once to turn o

Strona 57 - Balanced Outputs

DAC2 DX Instruction Manual Rev A Page 60 Graph Plot 16 - IMD 11k 12K This plot demonstrates that the DAC2 ha

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DAC2 DX Instruction Manual Rev A Page 61 Preliminary Specifications Audio Performance Fs = 44.1 to 96 kHz, 20

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DAC2 DX Instruction Manual Rev A Page 62 Audio Performance (continued) Maximum Lock Time after Fs change 400

Strona 60 - DAC2 - 11K 12K IMD

DAC2 DX Instruction Manual Rev A Page 63 Jitter Tolerance (With no Measurable Change in Performance) &g

Strona 61 - Preliminary Specifications

DAC2 DX Instruction Manual Rev A Page 64 Balanced Analog Outputs Number of Balanced Analog Outputs 2 Output C

Strona 62 - Digital Audio Inputs

DAC2 DX Instruction Manual Rev A Page 65 HPA2TM Headphone Outputs Number of Headphone Outputs 2 Output Conne

Strona 63 - Jitter Tolerance

DAC2 DX Instruction Manual Rev A Page 66 AC Power Requirements Nominal Input Operating Voltage Range (VAC RM

Strona 64 - Unbalanced Analog Outputs

DAC2 DX Instruction Manual Rev A Page 67 Regulatory Compliance FCC and RoHS Compliance Statements

Strona 65 - Status Display

DAC2 DX Instruction Manual Rev A Page 68 CE Certificates of Conformity

Strona 66 - Dimensions

DAC2 DX Instruction Manual Rev A Page 69 Warranty InformationBenchmark 1 Year Warranty T

Strona 67 - Regulatory Compliance

DAC2 DX Instruction Manual Rev A Page 7 Output Calibration Lights If a CALIBRATION light is on, the correspon

Strona 68 - CE Certificates of Conformity

DAC2 DX Instruction Manual Rev A Page 70 Benchmark Extended Warranty The Benchmark Ex

Strona 69 - Warranty Information

DAC2 DX Instruction Manual Rev A Page 71 Copyright © 2007, 2008, 2009, 2012, 2014 Benchmark Me

Strona 70 - Notes on Warranty Repairs

DAC2 DX Instruction Manual Rev A Page 8 Control Functions All DAC2 DX functions can be controlled from the I

Strona 71

DAC2 DX Instruction Manual Rev A Page 9 Applications The DAC2 DX is a professional reference-grade digital to

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