Bedienungsanleitung Alto Professional MACRO 2400 (Seite 5 von 14) (Englisch)

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1. INTRODUCTION

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

3.1 The Front Panel

Thank you very much for expressing your confidence in products by purchasing our MACRO 830/1400/2400 ▲LTO

Professional Stereo Amplifier . With the MACRO 830/1400/2400 you have acquired an extremely musical and fle-

xible 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 connecting this unit into your

sound system, please make sure it is powered down to prevent any electric shock.

1. Mains Switch

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 100mV.

2 3

PROFESSIONAL HIGH POWER STEREO AMPLIFIER

CH-A CH-B

CLIP

SIG

POWER

OFF

CLIP

SIG

PROT

MACRO2400

CH-A CH-B

CLIP

SIG

POWER

OFF

CLIP

SIG

PROT

LTO

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Alto Professional MACRO 2400 Seite 5

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