Comprehensive Manual for the Alto Macro 1400 Stereo Amplifier

speaker systems by over loading or overheating .

This LF30Hz Filter is used to prevent this happening ,and add an appropriate low-pass filter in the input circuit

13.Fan

This fan releases the heating from the unit by accelerating the air circulation (air flow from front to back), and its speed is continuously variable.

4. INSTALLATION & CONNECTION :

4.1 Mains Connection

Do not insert the power cord into this unit until voltage has been correctly set. Do not plug the power cord into the mains until the voltage has been correctly set.

Please ensure that the MACRO 830/1400/2400 Professional Stereo Amplifier is supplied with the correct voltage before turning on this unit.

If you can't power up this unit while turning on the Mains Switch (1), please check the Breaker (6) on the rear panel first, maybe it is pressed to reset. Otherwise, contact the technician or qualified personnel for any service.

Caution: To reduce the risk of electric shock, do not perform any servicing other than contained in this manual unless you are qualified to do so.

Please turn off this unit before any installation and connection, esp .when you connect your unit into the sound system. This is important to prevent damage to the unit itself as well as other consequent speaker system.

The mains connection of the MACRO 830/1400/2400 Professional Stereo Amplifier is made by using the enclosed power cord and a standard IEC receptacle, and it meets all of the international safety certification requirements.

4.2 Rack Mounting

The most secure mounting is on a universal rack shelf available from various rack manufactures or your music dealer. The MACRO 830/1400/2400 Professional Stereo Amplifier fits into one standard 19" rack unit of space.

Be sure that there is enough air space around the unit for sufficient ventilation. If heat release is inadequate, this unit will retain heat inside, which may cause the protection, or even a fire.

4.3 Audio Connection

The LTO MACRO 830/1400/2400 Professional High Power Amplifier presents with balanced XLR connectors and 1/4" TRS phone jack and it can be interfaced by several ways to support a variety of applications without any signal loss.

a. Wiring Configuration

Either the 1/4" TRS (Tip-Ring-Sleeve) phone jack or the XLR servo connector can be wired in balanced and unbalanced modes, which will be determined by the actual application status, Please wire your systems as

the following examples:

For 1/4" TRS jack

1/4"TRS jack	1/4"TRS jack
Unbalanced Input	Balanced Input

For XLR connector

XLR Unbalanced Input

XLR Balanced Input

MACRO 1400, MACRO 830, MACRO 2400 specifications

Nilfisk-ALTO is well-known for its innovative and reliable cleaning solutions, and the MACRO series exemplifies this dedication to top-notch performance. The MACRO 830, MACRO 2400, and MACRO 1400 models offer robust cleaning capabilities designed to meet the needs of various professional environments, making them ideal for both indoor and outdoor applications.

Starting with the MACRO 830, this industrial vacuum cleaner is designed for heavy-duty tasks. It features a powerful motor that delivers impressive suction performance, making it suitable for cleaning large volumes of dust and debris. The MACRO 830 comes equipped with a large, high-capacity waste container, allowing for longer operation times between emptying. Its durable construction ensures longevity, while its ergonomic design provides ease of use during daily operations. With features such as a filtration system that aids in trapping fine particulates, the MACRO 830 is a reliable choice for maintaining cleanliness in industrial settings.

The MACRO 2400 takes things a step further, offering enhanced features for demanding environments. With a higher airflow and increased suction power, the MACRO 2400 efficiently manages a variety of materials, from fine powders to heavier debris. This model is designed with advanced filtration technology, including HEPA filters, which significantly improve air quality in the workplace by capturing even the smallest dust particles. The MACRO 2400 also incorporates a user-friendly interface, providing operators with real-time feedback on performance metrics. Its compact design allows for easy transportation and storage, making it a versatile addition to any cleaning fleet.

The MACRO 1400 is tailored for those who require a balance of power and portability. This model delivers robust cleaning performance while remaining lightweight and easy to maneuver. Built with a focus on user comfort, the MACRO 1400 includes ergonomic handles and simple controls to enhance the cleaning process. Its adaptability allows it to be effectively used in diverse environments, from workshops to commercial spaces. With a focus on eco-friendliness, the MACRO 1400 is designed to operate with lower energy consumption without compromising on performance.

In summary, the Nilfisk-ALTO MACRO series, including the MACRO 830, MACRO 2400, and MACRO 1400, combines innovative technologies with practical design to deliver exceptional cleaning solutions for various applications. Each model is tailored to meet specific operational needs while ensuring reliability and efficiency, making them valuable assets in any professional cleaning arsenal.