WARNING

An equilateral triangle enclosing a lightening flash/arrowhead symbol is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure which may be of sufficient magnitude to constitute a risk of electric shock.

ATTENTION: RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR

An equilateral triangle enclosing an exclamation point is intended to alert the user to the presence of important operating and service instructions in the literature enclosed with this unit.

IMPORTANT SAFETY INSTRUCTIONS

When using this electronic device, basic precautions should always be taken, including the following:

1.Read all instructions before using the product.

2.Do not use this product near water (e.g., near a bathtub, washbowl, kitchen sink, in a wet basement, or near a swimming pool, etc.).

3.This product should be used only with a cart or stand that will keep it level and stable and prevent wobbling.

4.This product, in combination with headphones or speakers, may be capable of producing sound levels that could cause permanent hearing loss. Do not operate for a long period of time at a high volume level or at a level that is uncomfortable. If you experience any hearing loss or ringing in the ears, you should consult an audiologist.

5.The product should be positioned so that proper ventilation is maintained.

6.The product should be located away from heat sources such as radiators, heat vents, or other devices (including amplifiers) that produce heat.

7.The product should be connected to a power supply only of the type described in the operating instructions or as marked on the product. Replace the fuse only with one of the specified type, size, and correct rating.

8.The power supply cord should: (1) be undamaged, (2) never share an outlet or extension cord with other devices so that the outlet’s or extension cord’s power rating is exceeded, and (3) never be left plugged into the outlet when not being used for a long period of time.

9.Care should be taken so that objects do not fall into, and liquids are not spilled through, the enclosure’s openings.

10.The product should be serviced by qualified service personnel if:

A.The power supply cord or the plug has been damaged.

B.Objects have fallen into, or liquid has been spilled onto the product.

C.The product has been exposed to rain.

D.The product does not appear to operate normally or exhibits a marked change in performance.

E.The product has been dropped, or the enclosure damaged.

11.Do not attempt to service the product beyond what is described in the user maintenance instructions. All other servicing should be referred to qualified service personnel.

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Nady Systems SPA 850 owner manual Important Safety Instructions
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SPA 850 specifications

The Nady Systems SPA 850 is a powerful and versatile audio amplifier that caters to a wide range of audio applications, from live performances to installation in venues. This robust product is designed to deliver high-quality sound with remarkable clarity and reliability, making it an excellent choice for musicians, sound engineers, and venue operators.

One of the standout features of the Nady SPA 850 is its impressive power output. With an output of 850 watts at peak performance, it allows users to drive large speakers effectively, ensuring that sound reaches every corner of the space. This makes it ideal for concerts, public speaking events, and theater productions. The amplifier is equipped with built-in protection circuits that safeguard the device against overheating and short circuits, ensuring long-term durability.

The SPA 850 utilizes advanced technology to enhance audio quality. It incorporates a high-efficiency Class D amplifier design, which not only provides exceptional sound fidelity but also contributes to energy efficiency. This means users can enjoy powerful audio performance without excessive power consumption, making it an environmentally friendly option. Furthermore, the low total harmonic distortion ensures that the output sound remains clear and undistorted, even at high volumes.

This unit includes versatile connectivity options to accommodate various audio sources. It is equipped with multiple input channels, including XLR and 1/4-inch inputs, allowing for seamless integration with microphones, instruments, and other audio devices. The adjustable gain controls make it easy to optimize sound levels for different sources, providing flexibility for a wide range of applications.

The Nady SPA 850 also features a compact and durable design, making it suitable for both portable and fixed installations. Its lightweight construction facilitates easy transport, while the sturdy build ensures that it can withstand the rigors of frequent use in various environments.

Additionally, the amplifier is designed with user-friendly controls and indicators, making it accessible even for those new to audio equipment. The straightforward layout allows for quick adjustments, ensuring users can focus on delivering an outstanding audio experience.

In summary, the Nady Systems SPA 850 is a remarkable audio amplifier that combines power, efficiency, and versatility. Its robust features and advanced technologies make it an attractive choice for anyone seeking reliable sound amplification in diverse settings.
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