Electro-Voice SBA750 user manual Important Safety Instructions, Important Service Instructions

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Important Safety Instructions

The lightning flash with arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

1.Read these instructions.

2.Keep these instructions.

3.Heed all warnings.

4.Follow all instructions.

5.Do not use this apparatus near water. Do not expose this apparatus to dripping or splashing and ensure that no objects filled with liquids, such as vases, are placed on this apparatus.

6.Clean only with a dry cloth.

7.Do not block any of the ventilation openings. Install in accordance with the manufacturers instructions.

8.Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers)

that produce heat.

9.Only use attachments/accessories specified by the manufacturer.

10.Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

11.To completely disconnect AC power from this apparatus, the power supply cord must be unplugged.

For US and CANADA only:

Do not defeat the safety purpose of the grounding-type plug. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. When the provided plug does not fit into your outlet, consult an electrican for replacement of the absolete outlet.

Important Service Instructions

CAUTION: These servicing instructions are for use by qualified 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.

1.Security regulations as stated in the EN 60065 (VDE 0860 / IEC 65) and the CSA E65 - 94 have to be obeyed when servicing the appliance.

2.Use of a AC separator transformer is mandatory during maintenance while the appliance is opened, needs to be operated and is connected to the AC.

3.Switch off the power before retrofitting any extensions, changing the AC voltage or the output voltage.

4.The minimum distance between parts carrying AC voltage and any accessible metal piece (metal enclosure), respectively between the AC poles has to be 3 mm and needs to be minded at all times.

The minimum distance between parts carrying AC voltage and any switches or breakers that are not connected to the AC (secondary parts) has to be 6 mm and needs to be minded at all times.

5.Replacing special components that are marked in the circuit diagram using the security symbol (Note) is only permissible when using original parts.

6.Altering the circuitry without prior consent or advice is not legitimate.

7.Any work security regulations that are applicable at the location where the appliance is being serviced have to be strictly obeyed. This applies also to any regulations about the work place itself.

8.All instructions concerning the handling of MOS - circuits have to be observed.

Electro-Voice®￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿

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Contents Electro-Voice For US and Canada only Important Safety InstructionsImportant Service Instructions Table of Contents Electro-VoiceUnpacking and Warranty Setup and Connections IntroductionQuick Start Output levelsParallel Outputs L/R ControlsInput L/Mono, Input R Mid-High Outputs L/RAC Connector Status IndicatorsPower Switch AC FuseCabling 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-SystemSxA Setup Example EPA-system with Active Components Specifications DimensionsBlock Diagram

SBA750 specifications

The Electro-Voice SBA750 is a powerful and versatile subwoofer, designed to deliver deep, impactful bass performance for a wide range of applications. Known for its high efficiency and robust build quality, the SBA750 is ideal for both mobile DJ setups and permanent installations in clubs, concert venues, and theaters.

One of the standout features of the SBA750 is its impressive output capabilities. With a maximum SPL (Sound Pressure Level) of 130 dB, this subwoofer can fill large spaces with rich bass without distortion. It is equipped with a high-quality 15-inch woofer that is specifically designed to handle high levels of power, ensuring that it can reproduce low frequencies with precision and authority.

The SBA750 utilizes a class D amplifier, which not only provides great power efficiency but also keeps the unit lightweight and easy to transport. This amplifier is capable of delivering 750 watts of continuous power, making it a robust choice for both portable and installed applications. The amplifier also includes built-in protection circuitry to prevent overheating and overloading, ensuring the longevity of the subwoofer.

Another key characteristic of the SBA750 is its advanced DSP (Digital Signal Processing) capabilities. This feature allows users to fine-tune the subwoofer’s performance to suit their specific environment and application needs. With adjustable EQ settings, users can easily tailor the sound profile to match the acoustics of the venue, whether it be a live concert or a DJ performance. The DSP also provides crossover control, allowing for seamless integration with full-range speakers.

The rugged cabinet design of the SBA750 is built to withstand the rigors of touring and live events. Constructed from durable plywood, the enclosure is finished with a rugged black paint that is resistant to scuffs and scratches. The front grille is made from strong metal to protect the driver while maintaining a sleek aesthetic.

In addition to its impressive technical specifications, the SBA750 features multiple input/output connectors, including XLR and ¼-inch jacks, ensuring compatibility with a wide range of sound systems and equipment. Its compact form factor also allows for flexible placement options, whether it be on the ground, in an array, or tightly packed in a truck for transport.

In summary, the Electro-Voice SBA750 subwoofer combines high power output, advanced DSP technology, and durable construction to deliver a reliable low-end solution for any sound application. Whether you’re a professional sound engineer or an aspiring DJ, the SBA750 is designed to meet the demands of modern audio environments. With its focus on performance and functionality, it remains a top choice for bass enthusiasts worldwide.