BENCHMARK DAC1 MANUAL PDF
DAC1 USB Instruction Manual. Revision G. Page 6. Overview. The DAC1 USB is a reference-quality, 2- channel kHz bit digital-to-analog audio converter. View and Download Benchmark DAC1 instruction manual online. 2-Channel bit kHz Audio Digital-to-Analog. DAC1 Media Converter pdf manual. View and Download Benchmark DAC1 instruction manual online. 2-Channel bit 96 kHz Audio Digital-to-Analog Converter. DAC1 Media Converter pdf.
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Benchmark Media Systems, Inc. A rear panel switch selects Variable or Calibrated output levels.
The DAC1 is designed to interface directly to manuql amps and powered studio monitors in order to provide the cleanest and shortest path from digital to benfhmark output. The DAC1 is one rack unit high. Most professional equipment will work well at these levels. The Calibration Potentiometers have no effect on the output levels when this switch is set to Variable.
RCA jacks is 2. There are three digital inputs on the DAC1. These inputs are selected from a front panel toggle switch. Number of Digital Inputs switch selected: Input Sample Frequency Range: Rack mount kit blank panel, junction block, and rack-mount screws: The DAC1 has a removable cover.
This cover provides access to the jumper settings on the PCB. The DAC1 contains static sensitive components and should only be opened by qualified technicians. Static discharge may cause component failures, may affect the long-term reliability, or may degrade the audio performance. A 2-pin jumper on header P2 see Photo 1 can be used to disable the front-panel source-selection switch. This feature is useful when the DAC1 is in a critical audio benchmmark, and only one of the three digital inputs will be used.
In such an application, the digital source selection can be made using the jumper on header P2.
One pair of 8-pin headers controls the output level at each XLR jack as follows: For continued fire hazard protection, fuses should be replaced ONLY with the exact value and type as indicated on the rear panel.
Doing so may create safety hazards and void the warranty. In the event of failure of a product under this warranty, Benchmark Media Systems, Inc. If the failure has been caused by misuse, neglect, accident or abnormal operating conditions, repairs will be billed at the normal shop benchmwrk. It is therefor important to attack jitter at both ends of the audio chain.
The bottom graph shows the amplitude response on a highly expanded 0. The highest non-line related tone measures — dBFS.
Multiple DAC1 converters may be used to create a multi-channel playback system that maintains phase accuracy across all channels. The above graph shows dad1 differential phase between 10 audio channels using 5 DAC1 converters. This implies that the distortion created by the DAC1 should be below the threshold of hearing unless playback levels exceed dB peak SPL.
BENCHMARK DAC1 PRE INSTRUCTION MANUAL Pdf Download.
Compare this to the performance bwnchmark the balanced outputs see previous graph. Level at 1 kHz – Unbalanced Outputs This graph demonstrates the performance of the unbalanced outputs. Note that the performance is nearly identical to that of the balanced outputs. Sample Frequency The above graph shows that the DAC1 provides consistent performance at all sample rates.
Distortion is not a function of sample rate. The minor variations in the above plots are due to measurement limitations. The graph above shows the results of a standard AES jitter tolerance test. The top red curve shows the amplitude of the jitter applied to the inputs of the Benhmark.
The scale for the top curve is on the right hand side of the graph and is calibrated in UI of jitter. We set the interface jitter amplitude to its maximum value of Coaxial Digital Input Sensitivity The above graph shows that the performance of the DAC1 is not a function of the signal level at the coaxial digital input.
Also, the above plots show that the AES minimum eye pattern specifications are barely met at the end of feet of Category 5 twisted pair cable. The daac1 sensitivity of the DAC1 receivers allows reliable operation at the end of a foot cable.
Benchmark DAC1 PRE Instruction Manual
dac Page of 37 Go. Table of Contents Add to my manuals Add. Rear Panel Most professional equipment will work well at these levels. Analog Outputs RCA jacks is 2. Specifications Benchmark Media Systems, Inc. Led Status Indicators 9. Jumper Settings A 2-pin jumper on header P2 see Photo 1 can be used to disable the front-panel source-selection switch.
Page 16 see Photo 2. Page 17 Benchmark Media Systems, Inc. Compliance And Safety Information For continued fire hazard protection, fuses should be replaced ONLY with the exact value and type as indicated on the rear manaul.
Page 21 Benchmark Media Systems, Inc. Page 22 It is therefor important to attack jitter at both ends of the audio chain.
Benchmark DAC1 Instruction Manual
Page 26 Multiple DAC1 converters may be used to create a multi-channel playback system that maintains phase accuracy across all channels.
Page 27 20 Hz to 20 kHz is very slight. Page 28 Benchmark Media Systems, Inc. Page 30 Benchmark Media Systems, Inc. Page 31 Benchmark Media Systems, Inc. Page 32 The graph above shows the results of a standard AES jitter tolerance test.
Page 33 We set the interface jitter amplitude to its maximum value of Page 34 Benchmark Media Systems, Inc.
BENCHMARK DAC1 INSTRUCTION MANUAL Pdf Download.
Page 36 Coaxial Digital Input Sensitivity The above graph shows bencmhark the performance of the DAC1 is not a function of the signal level at the coaxial digital input. Comments to this Manuals Your Name. Enter text from picture: By pressing ‘print’ button you will print only current page. To print the manual completely, please, download it. Don’t show me this message again. Got it, continue to print. Don’t have an account?