Professional Stereo Amplifier Manual

1.INTRODUCTION

Thank you very much for expressing your confidence in LTO products by purchasing our MACRO 830/ 1400/2400 Professional Stereo Amplifier . With the MACRO 830/1400/2400 you have acquired an extremely musical and flexible High Power Amplifier which is based on many years of experience and findings in amplifier technology and is used through the world in the renowned studios.

The MACRO 830/1400/2400 is used for professional output of stage stereo at three levels of power, with excellent performance. Output power can be adjusted at the user's demand, and the sound quality and protecting circuit are both sophisticated.

The front panel presents you with 6 LEDS (Power LED, Protection LED, Clip & Signal LED for both channels) and 2 Level Controls (for both channels), you can operate this unit more precise and easier. The Output Connectors are Speak-on jacks, and the binding post terminals are used for better matching. Before con- necting this unit into your sound system, please make sure it is powered down to prevent any electric shock.

2.FEATURE LIST :

Sophisticated protecting circuits protect the machine from improper tampering

Input matching allows collection with any preamplifier

Excellent frequency echo and sound quality

High fidelity and low noise

Balanced XLR and 1/4" TRS Input Connectors

Output Connectors are speak-on jacks, and the binding post terminals are used for better matching

Output power can be switched between stereo , parallel and bridged

High-speed and low noise fan for releasing heat. When the temperature rises, the fan automatically switches to high-speed, it re-back to normal speed at other times to reduce power consumption

Indicator for the output balance, as well as status indicators of SIG and CLIP. When there is any signal (>100mV), the SIG LED lights up. When there is overload, the CLIP LED lights up. If anything abnormal happens to the circuits, the CLIP LED will be continuously on, with no action from the circuits. This helps the user to determine which status it is in.

White aluminum panels with acrylic presents an artistic and trendy look

Solid and durable, can be mounted into a cabinet

Manufactured under ISO9001 certified management system

3.CONTROL ELEMENTS

3.1The Front Panel:

MACRO2400 PROFESSIONAL HIGH POWER STEREO AMPLIFIER

PROT

CLIP SIG

	ON
R
LTO
	OFF
POWER	CH-A

CLIP SIG

CH-B

1.MainsSwitch

This switch turns on and turns off the unit by controlling both phases.

2.Power LED

This Power LED lights up when the unit is powered up .

3.Clip LED

The Clip LEDs light up when distortion reaches or exceeds 0.5% approximately, which means the unit is being driven by excessively high signal source ,and you'd better adjust the level control until these LEDs re-eliminated .

Signal Indicator

These Signal Indicators light up when the output is more than 100Vm.

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.