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Summary of Contents for Alto MACRO 1400
- Page 1 User's Manual MACRO PROFESSIONAL HIGH 830/1400/2400 POWER STEREO AMPLIFIER www.altoproaudio.com Version 1.0 April 2002 English...
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Page 2: Safety Related Symbols
SAFETY RELATED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol, wherever it appears, alerts you to the presence of uninsulated dangerous voltage inside the enclosure-voltage that may be su- fficient to constitute a risk of shock. This symbol ,wherever it appears ,alerts you to important operating and maintenance instructions in the accompanying literature . - Page 3 LTO MACRO 830/1400/2400 Pro- fessional High Power Stereo Amplifier a reality available to our customers, and thank our designers and all the staff, there to make possible the realization of products containing our idea of music and sound and there to support you , our customers, in the best way, conscious that you are our best richness.
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Page 4: Table Of Contents
TABLE OF CONTENTS 1. INTRODUCTION...4 2. FEATURE LIST...4 3. CONTROL ELEMENTS...4 3.1 The Front Panel 3.2 The Rear Panel 4. INSTALLATION & CONNECTION...6 4.1 Mains Connection 4.2 Rack Mounting 4.3 Audio Connection a .Wiring Configuration b .In Line Connection 5. OPERATION ...7 5.1 Operate MACRO 830/1400/2400 in Stereo Mode 5.1 Operate MACRO 830/1400/2400 in Parallel (Mono) Mode 5.1 Operate MACRO 830/1400/2400 in Bridged Mode... -
Page 5: Introduction
Thank you very much for expressing your confidence in 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. -
Page 6: The Rear Panel
The MACRO 830/1400/2400 Professional Stereo Amplifier presents three operating modes: - Stereo Mode In this mode ,Channel A and Channel B operate independently (as a conventional stereo amplifier). The Channel A input signal will be output from the Channel A output connectors, and the Channel B input signal will be output from the Channel B output connectors. -
Page 7: Installation & Connection
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. -
Page 8: B .In Line Connection
5.1 Operate MACRO 830/1400/2400 in Stereo Mode In this mode, Channel A and Channel B operate independently ( as a conventional stereo amplifier). The Channel A input signal will be output from the Channel A output connectors, and the Channel B input signal will be output from the Channel B output connectors. -
Page 9: Operate Macro 830/1400/2400 In Parallel (Mono) Mode
Input wiring tips BALANCED FROM INPUT SOURCE SHIELD CH-B LINE CHANNEL B (GND) LF 30HZ FILTER BALANCED 1.15V/20K INPUT LINE CHANNEL A PARALLEL (MONO) CLIP LIMIT CH-A BRIDGED INPUT BRIDGED STEREO PARALLEL (MONO) TIDE TIDE TIDE TIDE TIDE TIDE TIDE TIDE TIDE TIDE... -
Page 10: Operate Macro 830/1400/2400 In Bridged Mode
1. First, turn off power switch before connection. 2. Refer to Chapter 5 for speaker connection 3. MACRO 830/1400/2400 Professional Stereo Amplifier may be operated in one of the three modes, please slide the Mode Selector (11) for the specific operating mode. -
Page 11: Caution For Speaker Connection
6.2 Caution for Speaker Connection The output capacity of out MACRO 830/1400/2400 Professional Stereo Amplifier is very high, be sure to use a speaker system that has sufficient input capacity. If the input capacity of your speaker system is lower than the rated output of the MACRO 830/1400/2400 Professional Stereo Amplifier, you can protect your speakers by connecting a fuse serially between the speaker and the amplifier as shown below. -
Page 12: Block Diagram
7.2 Block Diagram... -
Page 13: Warranty
8. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within 10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better under- standing of the sales status, so as to purport a more effective and efficient after-sales warranty service.
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Questions and answers
I got a Macro amplifier 1400 is not switching on only fans running ,what can be the problem
If an Alto Macro 1400 amplifier is not switching on and only the fans are running, the problem could be:
1. Incorrect Voltage Setting – Ensure the amplifier is supplied with the correct voltage before turning it on.
2. Blown Fuse – Check the fuse and replace it with the recommended type if necessary. Ensure the unit is off and disconnected from AC power before replacing the fuse.
3. Protective Ground Connection – Make sure the amplifier is properly grounded to prevent electrical issues.
4. Internal Protection Mode – If the unit overheated previously, it may have entered a protection mode. Allow it to cool down and check for ventilation issues.
If the issue persists, further inspection or professional servicing may be required.
This answer is automatically generated