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. The DAC1 is designed to interface directly to power amps and powered studio monitors in order to provide the cleanest and shortest path from digital to monitor output. The DAC1 is one rack unit high.

The RCA outputs should not be used to drive cables exceeding feet see Table 1. There are three digital inputs on the DAC1. These inputs are selected from a front-panel toggle switch.

The AC input has a very wide input voltage range and can operate over a frequency range of 50 to 60 Hz. Number of Digital Inputs switch selected: Input Sample Frequency Range: Rack mount kit blank panel, junction block, and rack-mount mznual The DAC1 has a removable mxnual. This cover provides access to the jumper settings on the PCB. Bwnchmark 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. benchark

This feature is useful when the DAC1 is in a critical audio path, 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. JP7 see Photo 2. A termination must be applied at the last device on the loop, and there should be a combined total of less than 6 feet of cable between the first and last receive device.

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.

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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 rate. 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. The above graph shows the differential phase between 10 audio channels using 5 DAC1 converters operating at 96 kHz. The type of digital interface used has no measurable effect on the phase. This implies that the distortion created by bennchmark DAC1 should be below the threshold of hearing unless playback levels exceed bencmhark peak SPL.

Page 30 of Compare this to the performance of the balanced outputs see previous graph. Level at 1 kHz – Unbalanced Outputs This graph demonstrates the performance of the unbalanced outputs.

BENCHMARK DAC1 PRE INSTRUCTION MANUAL Pdf Download.

Note that the performance is nearly identical to that of the balanced outputs. Page 32 of 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 benchmar. 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 DAC1.

Benchmark DAC1 PRE Instruction Manual

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 Page 36 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. In addition, the above plots show that while the AES minimum eye pattern specifications are barely met at the end of feet of Category 5 UTP cable, the DAC1 receivers have enough sensitivity to allow reliable operation.

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Page of 39 Go. Table of Contents Add to my manuals Add. System Overview The DAC1 is designed to interface directly to power amps and powered studio monitors in order to provide the cleanest and shortest path from digital to monitor output.

Page 9 The AC input has a very wide input voltage range and can operate over a frequency range of 50 to 60 Hz. Specifications Benchmark Media Systems, Inc. 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 JP7 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 panel.

Page 19 of Page 23 Benchmark Media Systems, Inc. Page 24 It is therefor important to attack jitter at both ends of the audio chain. Page 28 kHz. Page 29 20 Hz to 20 kHz is very slight. Page 30 Benchmark Media Systems, Inc.

Page 32 Benchmark Media Systems, Inc. Manial 33 Benchmark Media Systems, Inc. Page 34 The graph above shows the results of a standard AES jitter tolerance test. Page 35 We set the interface jitter amplitude to its maximum value of Page 36 Benchmark Media Systems, Inc.

Page 38 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. Comments to this Manuals Your Name. Enter text from picture: By pressing ‘print’ button you will print only current page. To bencymark the manual completely, please, download it.

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