Instruction Manual for DAC3 HGC and DAC3 L with 2.X Firmware Page 3
Contents
Safety Information 2
Fuses 2
AC Input Voltage Range 2
Power Cord 2
Modifications 2
Repairs 2
Features 4
Introduction 5
Applications 5
DAC3 vs. DAC2 5
DAC3 vs. DAC1 5
DAC3 Technologies 5
Front Panel 8
Rear Panel 8
Quick Start Guide 9
Audio Inputs 9
Remote Control 9
Front Panel Controls 10
Front Panel Displays 11
Headphone Jacks 13
Operational Details 14
DIM and MUTE Functions 14
Auto-On Function 14
Bi-directional 12V Trigger 15
HT Mode 17
Preamp COMPATIBILITY Mode 18
USB MODE Selection 18
Driving Power Amplifiers 19
HPA2™ Headphone Amplifier 19
Digital Pass-Through 20
Firmware Version Identification 21
Rear Panel 22
Inputs 22
Outputs 25
AC Power-Entry and Fuse Module 26
Internal Settings 27
Jumper-Configured Options 27
Removing Top Cover 27
XLR Output Pads 27
Headphone Switch Configuration 28
Headphone Amplifier Gain 29
Digital PASS-THROUGH Function 30
Rack Mounting 31
Benchmark Rack Mount Tray 31
Benchmark ½-Wide Blank Plate 31
DAC1, DAC2 and DAC3 Family History 32
DAC1 Series 32
DAC2 Series 32
DAC3 Series 33
Benchmark Technologies 34
Hybrid Gain Control™ 34
Native DSD Conversion 34
High Headroom DSP 34
32-bit SABRE-PRO D/A System 36
Diagnostic Displays 36
Bi-Directional 12 Volt Trigger 36
Distributed Power Regulation 36
HPA2™ Headphone Amplifier 36
Differential Amplifiers 37
Jitter-Immune UltraLock3™ 37
Multi-Mode Asynchronous USB Audio 40
USB Driver Installation 42
Performance Graphs 47
Specifications 64
Audio Performance 64
Group Delay (Latency) 65
Digital Audio Inputs 65
Jitter Tolerance 65
Balanced Analog Outputs 66
Unbalanced Analog Outputs 66
HPA2
TM
Headphone Outputs 66
Unbalanced Analog Inputs 67
Status Display 67
AC Power Requirements 67
Dimensions 67
Weight 67
Regulatory Compliance 68
FCC and RoHS Compliance Statements 68
FCC Notice (U.S. Only) 68
RoHS Compliant Information 68
CE Certificate of Conformity 69
Warranty Information 70
Benchmark 1-Year Warranty 70
Benchmark Extended Warranty Options 71
Notes on Warranty Repairs 71
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