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StereoPlus / Benchmark DAC3 HGC
Benchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGCBenchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC
Benchmark DAC3 HGC

Benchmark DAC3 HGC

2990.00

DAC3 ir Benchmark jaunākais 2 kanālu DAC-priekšpastiprinātājs ar jauno ESS Technologies ES9028PRO pārveidotāja mikroshēmu.

Description

AUDIO PERFORMANCE

Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu (unless noted)
SNR – A-Weighted, 0 dBFS = +27 dBu 128 dB
SNR – Unweighted, 0 dBFS = +27 dBu 126 dB
THD+N, 1 kHz at 0 dBFS -113 dBFS, -113 dB, 0.00022%
THD+N, 1 kHz at -1 dBFS -114 dBFS, -113 dB, 0.00022%
THD+N, 1 kHz at –3 dBFS -119 dBFS, -116 dB, 0.00016%
THD+N, 20 to 20 kHz test tone at –3 dBFS -113 dBFS, -110 dB, 0.00032%
Frequency Response at Fs=192 kHz +0 dB, -0.015 dB (20 to 20 kHz)

-0.015 dB at 10 Hz

-0.005 dB at 20 kHz

-0.031 dB at 40 kHz

-0.15 dB at 80 kHz

Frequency Response at Fs=48 kHz +0 dB, -0.015 dB (20 to 20 kHz)

-0.015 dB at 10 Hz

-0.005 dB at 20 kHz

Crosstalk -137 dB at 20 Hz

-130 dB at 1 kHz

-116 dB at 20 kHz

Maximum Amplitude of Jitter Induced Sidebands (10 kHz 0 dBFS test tone, 12.75 UI sinusoidal jitter at 1 kHz) < -144 dB
Maximum Amplitude of Spurious Tones with 0 dBFS test signal < -138 dB
Maximum Amplitude of Idle Tones < -147 dB
Maximum Amplitude of AC line related Hum & Noise < -133 dB
Inter-channel Differential Phase (Stereo Pair – any sample rate) +/- 0.25 degrees at 20 kHz
Inter-channel Differential Phase (Between DAC3 Units Fs<110 kHz) Any sample rate. +/- 0.25 degrees at 20 kHz
Maximum Lock Time after Fs change 6 ms
Soft Mute Ramp Up/Down Time 9.6 ms
Mute on Receive Error Yes
Mute on Lock Error Yes
Mute on Idle Channel No
50/15 us De-Emphasis Enable Automatic in Consumer Mode
De-Emphasis Method Digital IIR
De-Emphasis Supported at Fs = 32, 44.1, 48 kHz

 

GROUP DELAY (LATENCY)

Delay – Digital Input to Analog Output (function of sample rate)

 

 

 

1.36 ms at 44.1 kHz

1.27 ms at 48 kHz

0.90 ms at 88.2 kHz

0.82 ms at 96 kHz

0.51 ms at 176.4 kHz

0.47 ms at 192 kHz

 

DIGITAL AUDIO INPUTS

Number of Digital Inputs (switch selected) 5 (1 USB, 2 Optical, 2 Coaxial)
Number of Channels 2
Input Sample Frequency Range 28 to 210 kHz (Coaxial Inputs)

28 to 96 kHz (Optical Inputs)

44.1, 48, 88.2, 96, 176.4, 192 kHz (USB Input)

Maximum Input Word Length 24 bits

 

Digital Input Impedance 75 Ohms (Coaxial Inputs)
DC Blocking Capacitors on Digital Inputs Yes (Coaxial Inputs)
Transient and Over-Voltage Protection on Digital Inputs Yes (Coaxial Inputs)
Minimum Digital Input Level 250 mVpp (Coaxial Inputs)
Jitter Tolerance

(With no Measurable Change in Performance)

 

>12.75 UI sine, 100 Hz to 3 kHz

>1.5 UI sine at 20 kHz

>1.5 UI sine at 40 kHz

>1.5 UI sine at 80 kHz

>1.5 UI sine at 90 kHz

>0.25 UI sine above 160 kHz

Jitter Attenuation Method Benchmark UltraLock3™ – all inputs

 

BALANCED ANALOG OUTPUTS

Number of Balanced Analog Outputs 2
Output Connector Gold-Pin Neutrik™ male XLR
Output Impedance 60 Ohms (Attenuator off)

425 Ohms (Attenuator = 10 dB)

135 Ohms (Attenuator = 20 dB)

Analog Output Clip Point +30 dBu
Factory Set Bypass Level (at 0 dBFS) +24 dBu (Attenuator = 0 dB)
Output Level Range (at 0 dBFS) In ‘Variable’ Mode Off to +27.5 dBu (Attenuator off)

Off to +17.5 dBu (Attenuator = 10 dB)

Off to +7.5 dBu (Attenuator = 20 dB)

Output Level Variation with Sample Rate (44.1 kHz vs. 96 kHz) < +/- 0.006 dB

 

UNBALANCED ANALOG OUTPUTS

Number of Unbalanced Analog Outputs 4
Output Connector RCA
Output Impedance 30 Ohms
Analog Output Clip Point +13.5 dBu (3.7 Vrms)
Factory Set Home Theater Bypass Output Level (at 0 dBFS) +8.2 dBu (2 Vrms)
Output Level Range (with 0 dBFS digital input) Off to +11.7 dBu (3 Vrms)
Output Level Variation with Sample Rate < +/- 0.006 dB

 

HPA2TM HEADPHONE OUTPUTS

Number of Headphone Outputs 2
Output Connectors ¼” TRS with switch on left-hand jack
Output Impedance < 0.11 Ohms
Output Level Control Stereo Control on Front Panel
Output Level Range (at 0 dBFS) into 60-Ohm Load Off to +21.5 dBu (9.2 Vrms)
Output Power 1.25 W into 30 Ohms
Maximum Output Current 250 mA
Overload Protection (independent per channel) Current limited at 300 mA, Thermal
Bandwidth > 500 kHz, -0.35 dB at 200 kHz
THD+N at 20 mW -108 dB (0.0004%) into 300 Ohms, -100 dB (0.0010%) into 30 Ohms

 

STATUS DISPLAY

Indicators – Type and Location 16 LED’s on Front Panel
Selection/Status Indication 1 – Dim/Mute

1 – Polarity
6 – Input
2 – Bypass/Calibrated Output
2 – Word length
4 – Sample Rate

 

AC POWER REQUIREMENTS

Nominal Input Operating Voltage Range (VAC RMS) 100 – 240V
Frequency 50-60 Hz
Power < 0.5 Watts Idle
12 Watts Typical Program
15 Watts Maximum
Fuses 5 x 20 mm (2 required)
0.5 A 250 V Slo-Blo® Type
Min/Max Operating range (VAC RMS) 90 – 260 VAC
47 – 63 Hz

 

DIMENSIONS

Form Factor ½ Rack Wide, 1 RU High
Depth behind front panel 8.5” (216 mm)
Overall depth including connectors but without power cord 9.33” (237 mm)
Width 9.5” (249 mm)
Height 1.725” (44.5 mm)

 

WEIGHT

DAC3 only 3 lb.
DAC3 with remote control, power cord, extra fuses, and manual 4 lb.
Shipping weight 7 lb.