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User manual Benchmark DAC2 L D/A Converter (Black) 500-15200-200

Operating instructions and pdf manual for use - Benchmark DAC2 L D/A Converter (Black) 500-15200-200 User manual, User manual Benchmark DAC2 L D/A Converter (Black) 500-15200-200, Benchmark, DAC2, L, D/A, Converter, Black, 500-15200-200,


User manual for Benchmark DAC2 L D/A Converter (Black) 500-15200-200

Benchmark DAC2 L D/A Converter (Black) 500-15200-200
  • Manufacturer: Benchmark
  • Basic description and contents of package
  • Product classification: Pro Audio - Computer Audio - AD/DA Converters
  • Safety instructions
  • Startup and operation of the ad/da converters
  • Tips for setting up your Benchmark
  • Settings and expert assistance
  • Contact Benchmark service
  • Troubleshooting
  • Warranty information
Benchmark DAC2 L D/A Converter (Black) 500-15200-200 Benchmark DAC2 L D/A Converter (Black) 500-15200-200
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User manual for the Benchmark DAC2 L D/A Converter (Black) 500-15200-200

The user manual for the Benchmark DAC2 L D/A Converter (Black) 500-15200-200 provides necessary instructions for the proper use of the product Pro Audio - Computer Audio - AD/DA Converters.

The black DAC2 from Benchmark is a low noise, low distortion 2-channel digital to analog converter. It employs an advanced high-headroom digital filter design and a high sample rate asynchronous USB audio interface with each input fully isolated from interface jitter using the company's UltraLock2 jitter attenuation system. The device performs 32-bit internal processing and conversion and includes 3.5 dB of headroom above 0 dBFS. Each Balanced output is the sum of four balanced 32-bit converters.

All digital inputs on the converter support native DSD conversion. The DoP1.1 open standard is automatically detected by the device on all inputs and the system seamlessly switches to native DSD conversion. The DAC is designed to directly drive power amplifiers and powered speakers. The XLR outputs of the converters feature adjustable low-impedance passive attenuators that can be used to optimize the matching of the converter to the power amplifier or powered speaker. Sonically, the converter has been designed for maximum transparency making it appropriate for professional reference and Hi-Fi critical listening applications alike.

The converter combines active analog gain control with passive low-impedance attenuators, a 32-bit digital gain control, and a servo-driven volume control. Each of the inputs can be controlled by the rotary volume control which also will move in response to the unit's remote control. None of the digital inputs are ever allowed to pass through an analog potentiometer, and are instead controlled by the unit's 32-bit DSP system for precise L/R balance and imaging with minimal distortion or noise. The passive output attenuators provide gain reduction without compromising the dynamic range of the converter.

The device's Ultralock Jitter attenuation system uses 32-bit DSP processing with 3.5 dB of headroom and a sample rate of 211 kHz to reduce jitter to at least 140 dB below the level of the music and well below the threshold of human hearing to eliminate audible jitter artifacts. The DSP can handle digital signals as high as +3.5 dBFS because the inter-sample peaks found in many commercial releases as the result of signal interpolation can sometimes exceed the 0 dBFs threshold of individual sinusoidal wave samples.

The device's USB system supports USB Audio 2.0, DSD, and USB Audio 1.1. The frequency agile design allows the converter to follow sample rate changes initiated by the computer or media playback software while retaining asynchronous conversion to eliminate unnecessary sources of jitter.

The master clock of the device has a low-jitter design which controls the transfer of audio from the computer to the USB sub-system, then to a buffer in the DAC, and then to the D/A conversion sub-system. This second asynchronous transfer eliminates any traces of jitter that may accumulate as the data is transferred between the USB and conversion subsystems. The synchronous USB system supports USB Audio 2.0 for high resolution 192 kHz and DSD playback. No drivers are required on Mac operating systems and an easy to install driver adds both 192 kHz and DSD capabilities to Windows operating systems.

An Asynchronous driverless USB Audio 1.1 mode can be enabled from the front panel or remote control to allow quick plug and play connections to Windows, Mac, iOS, and Linux operating systems. Even when the DAC is powered down, the USB subsystem will remain active to prevent interruption of computer operations and eliminate the need to reconfigure the computer every time the device is turned on.
If you own a Benchmark ad/da converters and have a user manual in electronic form, you can upload it to this website using the link on the right side of the screen.

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Additional parameters of the Benchmark DAC2 L D/A Converter (Black) 500-15200-200:
Audio Performance Specifications
Signal to Noise Ratio A-Weighted, 0 dBFS = 20 to 29 dBu:
126 dB
Unweighted, 0 dBFS = 20 to 29 dBu:
123 dB
Total Harmonic Distortion/Noise 1 kHz @ 0 dBFS:
-109 dBFS, -109 dB, 0.00035%
1 kHz at -1 dBFS:
-110 dBFS, -109 dB, 0.00035%
1 kHz at -3 dBFS:
-113 dBFS, -109 dB, 0.00035%
20 Hz to 20 kHz Test Tone at -3 dBFS:
-112 dBFS, -108 dB, 0.00040%

Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu
Frequency Response @ Fs= 96 kHz:
0 dB, -0.04 dB (20 to 20 kHz)
-0.04 dB at 10 Hz
-0.04 dB at 20 kHz
-0.04 dB at 40 kHz
-0.7 dB at 45 kHz

@ Fs= 48 kHz:
0 dB, -0.04 dB (20 to 20 kHz)
-0.04 dB at 10 Hz
-0.04 dB at 20 kHz

Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu
Crosstalk -116 dB at 20 kHz
-130 dB at 1 kHz
-137 dB at 20 Hz
Jitter Maximum Amplitude of Jitter Induced Sidebands (10 kHz 0 dBFS Test Tone, 12.75 UI Sinusoidal Jitter at 1 kHz):
< -144 dB
Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu
Max Amplitude Spurious Tones with 0 dBFS Test Signal: < -138 dB
Idle Tones: < -147 dB
AC Line Related Hum & Noise: < -140 dB
Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu
Differential Phase Inter-Channel:
Stereo Pair at Any Sample Rate: +/- 0.25° @ 20 kHz
Between DAC2 HGC Units Fs < 110 kHz Any Sample Rate:
+/- 0.25° @ 20 kHz

Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu
Maximum Lock Time After Fs Change: 400 ms

Fs = 44.1 to 96 kHz, 20 to 20 kHz BW, 1 kHz test tone, 0 dBFS = +24 dBu
Soft Mute Ramp Up/Down Time: 50 ms
Mute Receive Error: Yes
Lock Error: Yes
Idle Channel: No
50/15 us De-Emphasis Enable: Automatic in consumer mode
De-Emphasis Method: Digital IIR
De-Emphasis Supported @: Fs = 32, 44.1, 48 kHz
Latency 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
Unbalanced Analog I/O
Inputs 2x Stereo pair RCA
Input Impedance 20 kΩ
Maximum Input Level 19 dBu
@ Factory-Set Calibration Levels: 14 dBu
Capacitors DC blocking on all analog inputs
Transient and Over-Voltage Protection on Analog Inputs:
Series R and diode protection
Input Capacitance: 10 pF
Gain Range Off to 0.5 dB (RCA in to RCA out)
Off to 16.5 dB (RCA in to XLR out)
Off to 10.5 dB (RCA in to headphone)
Factory-Set Gain in Home Theater Bypass Mode:
0 dB (RCA in to RCA out)
6 dB (RCA in to XLR out) (with 10 dB Pad)
Outputs 4x RCA
Output Impedance 30 Ω
Output Clipping Level 13.5 dBu
Output Level @ 0 dBFS:
Off to 7.5 dBu
Factory Set Home Theater Bypass Output Level (at 0 dBFS):
< +/- 0.006 dB
Balanced Analog Outputs
Balanced Output 2x Gold-Pin Neutrik male XLR
Output Impedance 60 Ω (attenuator off)
425 Ω (attenuator = 10 dB)
135 Ω (attenuator = 20 dB)
Output Clipping Level 30 dBu
Output Level Range (@ 0 dBFS) in 'Variable' Mode:
Off to 23 dBu (attenuator off)
Off to 13 dBu (attenuator = 10 dB)
Off to 3 dBu (attenuator = 20 dB)
Output Level and Impedance Sample Rate (44.1 kHz versus 96 kHz): < +/- 0.006 dB
Digital Audio I/O
Digital Inputs Switchable Between:
1x USB 1.1 or 2.0
2x TOSlink optical
2x Coaxial
Channels 2
Frequency Range Coaxial: 28 Hz to 210 kHz
TOSlink Optical: 28 Hz to 96 kHz
USB: 44.1, 48, 88.2, 96, 176.4, 192 kHz
Word Length Maximum: 24-bits
Input Impedance Coaxial Input: 75 ͅ
Capacitors DC blocking on digital inputs
Transient and over-voltage protection
Minimum Input Level Coaxial: 250 mVpp
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
Attenuation Method:
Benchmark UltraLock2 on all inputs
Status Display
Indicators 16x LED on front panel
Selection Indication 1x Dim/mute
7x Input
1x Home Theater Bypass
1x Polarity
2x Word-length
4x Sample Rate
General
Compatibility Mac OS X
Windows XP, Vista, 7
USB port
Operating Voltage Nominal Input Range (VAC RMS):
100 to 240 V
Frequency:
50 to 60 Hz
Power < 0.5 W Idle
12 W typical program
15 W maximum
Fuses 5x 20 mm (2 required)
0.5 A 250 V Slo-Blo Type
Operating Range Minimum/Maximum (VAC RMS):
90 to 260 Hz
47 to 63 Hz
Rack Size Width: 1/2 rack space
Height: 1 RU
Dimensions (DxWxH) 9.3 x 9.5 x 1.7" (237 x 249 x 45 mm)
Weight 3 lb (1 kg)
Packaging Info
Package Weight 5.05 lb
Box Dimensions (LxWxH) 14.6 x 11.1 x 3.3"
The user manual for the Benchmark DAC2 L D/A Converter (Black) 500-15200-200 can be downloaded in .pdf format if it did not come with your new ad/da converters, although the seller is required to supply one. It is also quite common that customers throw out the user manual with the box, or put the CD away somewhere and then can’t find it. That’s why we and other Benchmark users keep a unique electronic library for Benchmark ad/da converterss, where you can use our link to download the user manual for the Benchmark DAC2 L D/A Converter (Black) 500-15200-200.

The user manual lists all of the functions of the Benchmark DAC2 L D/A Converter (Black) 500-15200-200, all the basic and advanced features and tells you how to use the ad/da converters. The manual also provides troubleshooting for common problems. Even greater detail is provided by the service manual, which is not typically shipped with the product, but which can often be downloaded from Benchmark service.

If you want to help expand our database, you can upload a link to this website to download a user manual or service manual, ideally in .pdf format. These pages are created by you – users of the Benchmark DAC2 L D/A Converter (Black) 500-15200-200. User manuals are also available on the Benchmark website under Pro Audio - Computer Audio - AD/DA Converters.



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