Telex SbA760 user manual Introduction, Unpacking and Warranty Setup and Connections

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0. Introduction

Congratulations! In buying an Electro-Voice®SbA760 you decided on getting one of today’s most ad- vanced active subwoofers incorporating sophisticated technology.

The active 15" subwoofer SbA760 with integrated 760 watt power amplifier has been specially designed to provide fundamental bass support for professional full-range and multi-channel cabinets. Through the integrated electronic frequency crossover of the SbA760 setting up an active stereo multi-channel system is truly simple. The stereo audio signals for the mid-high range cabinets are provided via the MID-HIGH outputs on the SbA760. Additionally provided are all connection facilities for using the SbA760 as active mono subwoofer in active 2-way or “add-on operation”. Manufactured from baltic birch and housing a high- performance Electro-Voice®EVS-15FR woofer, the SbA760 withstands even the hardest strain during transport and operation. While input connection is also possible via phone type jacks, all input and output signals are output via professional XLR-type connectors. The integrated High-Efficiency 760W power amplifier optimally matches the EVS-15FR woofer offering highest dynamic and audio performance and ensures at the same time that the EVS-15FR woofer is always operated in its optimum operation range. Extensive protection circuitry like VCP, DC/HF-protection, audio limiter, Back-EMF protection and thermal protection are employed to securely monitor the compliance to these operation limits guaranteeing that the SbA760 provides outstanding performance even under most demanding conditions. The SbA760 is also especially suitable for many rental applications. Compared to Class-AB-operated amps and because of utilizing Class-H High-Efficiency technology the power amplifier produces significantly less power loss, and additionally reduces thermal stress of all components. Employing fans to ensure thermal stability is not necessary because of the Class-H technology and use of comprehensively dimensioned cooling profiles. The enclosure is sealed with extremely durable Futura coating and a robust powder-coated steel grille provides protection for the Electro-Voice®EVS-15FR woofer against mechanical damage. All controls and the cooling profiles of the power amp module are recessed to provide optimum protection for the sensitive parts of the SbA760 even during transportation. Two carrying handles, four castors and an integrated threaded pole-mount stand flange allow comfortable transportation and optimum, space saving installation. Because of its versatility, the SbA760 can be easily integrated into any existing sound reinforcement instal- lation.

Unpacking and Warranty

Open the packing and carefully take out the SbA760. Remove the protective foil from the carrying handles. A power cord and the warranty card are supplied in addition to this owner’s manual. Please make sure that all details are filled in on the warranty card. Only a completely filled in warranty certificate entitles you to stake any warranty claims. Therefore, keep the original invoice together with the warranty certificate at a safe place.

Setup and Connections

Place the SbA760 on an even ground if possibly by using the supplied rubber feet to ensure safe opera- tion. Make sure to check the stability of the system when using pole-mount stands. Do not cover the heat sink on the subwoofer’s rear during operation. Otherwise, the SbA760 will enter protection mode because of thermal overload. Although this provides reliable protection for the subwoofer, sound reproduction is muted until the normal operation mode is regained. AC power is supplied via the Neutrik’s professional “PowerCon” connector system and by use of an 15’ (5m) AC cord. This ensures an absolute secure and reliable power supply connection. However, with large installations consisting of several active cabinets, the use of high-quality AC distributors that allow high power consumption and offer reliable protection through- out the entire system is strongly recommended.

Before establishing the AC connection for the first time, make sure that the SbA760’s operation voltage setting, which can be found on a label next to the AC switch, corresponds to your local AC voltage.

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Electro-Voice®SbA760 User Manual

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Contents Page Important Service Instructions Important Safety InstructionsFor US and Canada only Table of Contents Unpacking and Warranty Setup and Connections IntroductionQuick Start Output levelsControls Input L/Mono, Input RParallel Outputs L/R Mid-High Outputs L/RStatus Indicators Power SwitchMains AC Fuse Mains AC OutCabling LF-CordsSetup Example a Add-On OperationSetup Example B Stereo 2-way Active Operation with Mono SubwooferSetup Example C Stereo 2-way Active Operation with Stereo SubwooferSetup Example D Stereo 2-way Active PA-SystemSetup Example E PA-system with Active ComponentsSpecifications DimensionsBlock Diagram Telex Communications, Inc /2004 Part Number 38110-392 Rev a

SbA760 specifications

The Telex SbA760 is a pioneering device in the realm of professional audio solutions, specifically designed for communication applications within challenging environments. This headset exemplifies the blend of cutting-edge technology, ergonomic design, and user-focused features, making it an essential tool for users in aviation, industrial fields, and public safety sectors.

One of the standout features of the Telex SbA760 is its advanced noise-canceling capabilities. Utilizing sophisticated microphone technology, this headset effectively filters out ambient noise, allowing for clearer communication even in the noisiest surroundings. This is particularly crucial for users who operate in environments like aviation control towers or busy manufacturing floors, where background sounds can hinder effective communication.

The SbA760 is engineered for comfort and extended wear. With its padded headband and plush ear cushions, it ensures users can work for long periods without discomfort. The lightweight construction of the headset further enhances its wearability, making it suitable for those who require prolonged use during their shifts or operations.

In terms of connectivity, the Telex SbA760 incorporates reliable plug-and-play functionality, making it easy for users to connect to various communication systems. This versatility is one of the reasons it is favored across different industries, as it can seamlessly integrate with existing infrastructure.

The headset is built using durable materials, ensuring it can withstand the rigors of daily use in demanding environments. This commitment to durability is complemented by the headset's weather-resistant design, which helps protect the device against moisture and dust, extending its lifespan significantly.

Another significant aspect of the SbA760 is its adjustable boom microphone. This feature allows users to position the mic for optimal voice pickup, ensuring their voice is transmitted clearly. The microphone is also designed to minimize wind noise, providing enhanced clarity even when outdoors.

The Telex SbA760 is not only practical but also includes user-friendly controls that allow for easy adjustments to volume and other settings during operations. This level of convenience enhances the overall user experience, making communication more efficient and reducing the likelihood of miscommunication.

In summary, the Telex SbA760 is a robust audio solution providing high-quality sound, exceptional comfort, and reliable performance. Its combination of noise-cancellation technology, durability, and user-centric design ensures it meets the demanding needs of professionals across various industries, solidifying its position as a leading communication headset in the market.
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