dbx Pro Complete dbx 376 Manual for Qualified Service Personnel
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Appendix A

Appendix

376

A- Sync Input Info

INSTRUCTIONS FOR QUALIFIED SERVICE PERSONNEL:

CAUTION: These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel. Disconnect mains power before servicing.

The dbx 376 comes with the word input 75Ω terminated. For certain configurations, you may wish to have the sync input be unterminated. Certain "house sync" configurations will require you to change the default position of the termination jumper on the main circuit board. For example, if you run your sync to several pieces of equipment using a tapped configuration (using BNC T’s) as shown below, only the last box, box C, would be terminated (marked "75 ohm terminated" on the circuit board). Unfortunately, some equipment does not allow the user to change the termination setting. These pieces of equipment are usually provided with a permanent termina- tion. If you use the 376 with another piece of terminated equipment in tapped configuration, you should untermi- nate (marked "unterminated" on the circuit board) the 376’s sync input. The same is true if you wish to use sever- al 376’s in a tapped configuration. See Fig. A.1 for the location of termination jumper.

NOTE- This termination procedure should be performed ONLY by an authorized service technician.

Fig. A.1

Location of sync input termina- tion jumper. “Terminated” selection is shown.

Daisy Chain Configuration

 

Sync Source

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tapped Configuration

Sync Source

 

A

 

 

 

376

376

C

C

®

20

376 User Manual

 

 

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Page 27 Page 29
Contents 376 Important Safety Instructions Declaration Conformity Table of Contents 376Intro Introduction DefiningIntroduction Service Contact Info WarrantyInstallation Recommendations Getting IEC Power Cord Receptacle Getting Started Rear Panel ConnectionsGetting Started Front Panel ControlsSection Meter Select Switch Front Panel Type IV conversion system controls376 Analog Basic Analog Connection Analog ApplicationsConnection to a Mixing Console Direct Connection to a Recorder 376 Digital Digital Applications Digital Output Front Functions Digital Output Rear Panel ConnectionsSection Sync Input Sample Rate SelectionDigital Applications Direct Connection to a DAW CPU376 Direct Connection to a Digital MixerA/D Conversion Multi-Tracking to Digital Digital Applications Analog and Digital Output Application Appendix Appendix Sync Input InfoBlock Diagram UserBy Roger Johnson Type IV White PaperAppendix C Appendix C 376 Clip Level High-Frequency Information Completely Lost 376 TruncationSpecifications Microphone InputHarman International Company
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376 specifications

The dbx Pro 376 is a highly regarded unit in the realm of audio processing, combining advanced technologies and user-friendly features to enhance sound quality and versatility in various professional settings. As a dual-channel microphone preamp, the Pro 376 is designed to deliver exceptional audio fidelity, making it an ideal choice for recording studios, live sound applications, and broadcast environments.

One of the standout features of the dbx Pro 376 is its high-performance microphone preamplifiers. These preamps are equipped with Ultra-Dynamic Range technology, which provides a broad dynamic range and low noise floor. This ensures that every subtle nuance of the audio signal is captured accurately, resulting in clear and detailed recordings. Furthermore, each channel boasts switchable phantom power, allowing for compatibility with a wide array of condenser microphones.

The Pro 376 also includes dbx's proprietary DriveReduction technology. This innovative processing feature allows users to apply a transparent form of compression that maintains the integrity of the original sound while controlling dynamics. By providing versatility in managing signal levels, DriveReduction becomes an invaluable tool in both live and studio settings.

Another essential aspect of this unit is its bandwidth-efficient, 3-band equalizer with a dedicated low-cut filter. The EQ section permits precision tuning of frequencies, enabling audio engineers to shape the sound to fit specific artistic visions. It offers both musicality and functionality, ensuring that the end product meets professional standards.

Durability is also a hallmark of the dbx Pro 376. Built with rugged metal housing, it’s designed to withstand the rigors of the road, making it a reliable choice for touring musicians and sound professionals. Its intuitive front-panel controls allow for easy operation, while its compact design ensures it fits seamlessly into any audio rack setup.

The dbx Pro 376 incorporates balanced XLR inputs and outputs, ensuring minimal signal loss and optimal compatibility with other audio equipment. The unit is also versatile enough to function in various setups, be it for recording, live performances, or broadcast.

In summary, the dbx Pro 376 stands out with its premium microphone preamps, innovative processing technologies, user-friendly interface, and robust build quality. These features combine to make it an essential tool for any audio professional seeking to elevate their sound production capabilities. Whether in a studio or on stage, the Pro 376 delivers impressive results, bringing audio vision to life.
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