Alto MAC 2.2 Owner's Manual

Alto MAC 2.2 Owner's Manual

Professional stereo amplifiers
Hide thumbs Also See for MAC 2.2:

Advertisement

R
LTO
OWNER'S MANUAL
MAC 2.2/2.3/2.4
PROFESSIONAL STEREO AMPLIFIERS
www.altoproaudio.com
Version 1.1 NOV 2007
English

Advertisement

Table of Contents
loading

Summary of Contents for Alto MAC 2.2

  • Page 1 OWNER'S MANUAL MAC 2.2/2.3/2.4 PROFESSIONAL STEREO AMPLIFIERS www.altoproaudio.com Version 1.1 NOV 2007 English...
  • Page 2: Important Safety Instruction

    IMPORTANT SAFETY INSTRUCTION CAUTION WARNING To reduce the risk of electric shock RISK OF ELECTRIC SHOCK and fire, do not expose this equipment DO NOT OPEN to moisture or rain. TO REDUCE THE RISK OF ELECTRIC SHOCK PLEASE DO NOT REMOVE THE COVER OR Dispose of this product should THE BACK PANEL OF THIS EQUIPMENT.
  • Page 3: In This Manual

    L TO products by purchasing one of our MAC 2 Series stereo amplifiers. The MAC 2 series include MAC 2.2, MAC 2.3 and MAC 2.4. All models are rugged, 2 rack-unit stereo amplifiers fan-cooled. Despite their compact dimensions they provide a lot of power and a high value performance.
  • Page 4 MAC 2.2 Stereo Power Amplifier POWER PROT CLIP POWER MAC 2.2 MAC 2.3 Stereo Power Amplifier POWER PROT CLIP POWER MAC 2.3 MAC 2.4 Stereo Power Amplifier POWER PROT CLIP POWER MAC 2.4...
  • Page 5: Stereo Mode

    HOOK STEREO MODE MAC 2.4 Stereo Power Amplifier POWER PROT CLIP POWER In this mode, 2 independent channels are sent to 2 separate speakers. HOOK PARALLEL MODE MAC 2.4 Stereo Power Amplifier POWER PROT CLIP POWER One mono signal is input to channel 1 or Channel 2 of the MAC 2 series amplifier and then output to 2 separate speakers.
  • Page 6: Bridge Mode

    HOOK BRIDGE MODE MAC 2.4 Stereo Power Amplifier POWER PROT CLIP POWER The stereo or mono signal input to channel 1 and channel 2 is combined on the BRIDGE MONO connector . Only channel 1 Gain control is active. The power at the output will be combined power of the two channels.
  • Page 7: Control Elements

    It will light up when the unit is in Protection Mode due to overheating, short circuit, low impedance load or other causes (For MAC 2.2 & MAC 2.3). b. It will light up when the unit is in Protection Mode due to overheating, exist DC output or other causes (Only for MAC 2.4 ).
  • Page 8: Circuit Breaker

    3. CONTROL ELEMENTS Rear Panel: 8 CIRCUIT BREAKER This is an electronic fuse for protecting the unit from possible damage. When the unit is overloaded or the temperature inside the unit is too high, this push-type button will spring out and disconnect the power supply. Push the Breaker to restore normal working conditions.
  • Page 9: Cooling Fan

    (below 30 Hz). 15 OUTPUT MODE SELECTOR The MAC 2.2/2.3/2.4 stereo power amplifier presents three operating modes: - Stereo Mode In this mode, channel 1 and channel 2 operate independently (as a normal stereo amplifier).
  • Page 10: Operation

    4. OPERATION The MAC 2 series amplifiers provide three operating modes: stereo mode, parallel (mono) mode and bridged mode, you can decide each specific operating mode according to your actual application circumstance. Operate MAC 2 series in Stereo Mode In this mode, channel 1 and channel 2 operate independently (as a conventional stereo amplifier).
  • Page 11 4. OPERATION Operate MAC 2 series in Parallel Mode In this mode, the channel 1 input signal will be output from the output connectors of both channels. The channel 2 input jack is not used; the channel 1 and channel 2 volumes can be adjusted independently.
  • Page 12 4. OPERATION Operate MAC 2 series in Bridged Mode In this mode, the channel 1 input signal will be output from the bridge output connectors. ( The 2 RED binding post ) In this case, use the channel 1 volume control to adjust the volume, keep the volume control of channel 2 turned completely down ( counter clockwise ).
  • Page 13: Block Diagram

    5. BLOCK DIAGRAM...
  • Page 14: Technical Specifications

    6. TECHNICAL SPECIFICATIONS POWER SPECIFICATIONS MAC 2.2 MAC 2.3 MAC 2.4 750 W 1000 W 1800 W 2 Ohms (EIAJ) Stereo Mode 350 W 510 W 900 W (Both channels driven) 4 Ohms (RMS) 20Hz~20KHz 230 W 285 W 560 W...
  • Page 15: Warranty

    7. 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 understanding of the sales status, so as to provide a more effective and efficient after-sales warranty service.
  • Page 16 NO. 1, Lane 17, Sec. 2, Han Shi West Road, Taichung 40151, Taiwan http://www.altoproaudio.com Tel: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 All rights reserved to ALTO. All features and content might be changed without prior notice. Any photocopy, translation, or reproduction of part of this manual without written permission is forbidden. Copyright 2007 Seikaku Group NF03010-1.0...

Table of Contents