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mivoc AM80MKII Operating Manual

Hifi subwoofer module
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AM80MKII
HIFI SUBWOOFER MODULE
OPERATING MANUAL
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Summary of Contents for mivoc AM80MKII

  • Page 1 AM80MKII HIFI SUBWOOFER MODULE OPERATING MANUAL 中文...
  • Page 3 - and we want to share it with you. We are delighted that you share our love of sound and have chosen this mivoc product. To ensure that you get the most out of your mivoc product, we have summarised everything you need to know in this operating manual.

  • Page 4: Table Of Contents

    Graphical symbols Safety instructions PACKAGE CONTENTS Checking the packaging Unpacking and checking the contents MIVOC AM 80MKII AMPLIFIER MODULE Components AM 80MKII connections and settings AM 80MKII HIGH LEVEL connection terminal AM 80MKII LINE IN connection terminal AM 80MKII system settings...

  • Page 5: Notes And Information

    INSTRUCTIONS AND INFORMATIONTION This product is a subwoofer amplifier module for DIY speaker construction, intended for use in dry indoor ar- eas in private homes. The amplifier module is designed for a mains voltage of 230 V~/50 Hz or 115 V~/60 Hz. The amplifier module may ONLY be operated if it has been installed in a suitable casing and a speaker chas- sis has been connected correctly.
  • Page 6 You will encounter a number of graphic symbols in this manual. These symbols indicate important infor- mation and helpful hints. This symbol indicates important operating and maintenance instructions that must be observed. This symbol indicates that there are important operating and safety instructions that you must observe and follow in order to minimise the risk of personal injury and damage to property.

  • Page 7: Safety Instructions

    Some mivoc products have small removable parts. Ensure that children do not have unsu- pervised access to mivoc products. Small parts pose a risk of swallowing and can cause in- jury or suffocation. Do not allow children to play with the product or its packaging. There is a risk of injury and suffocation.
  • Page 8 Do not remove any casing components or other parts from your product. There are no parts inside that you can service yourself. For your own safety and that of third parties, do not modify your mivoc product, either in part or in whole, (by adding, modifying or removing components, etc.).
  • Page 9 Do not use your subwoofer under such conditions, as this could result in damage (risk of injury, damage to health, fire, damage to the loud- speaker or connected devices, etc.). In such cases, contact your mivoc dealer or mivoc support immediately.
  • Page 10 These precautionary measures include the following points, among others: Only connect your mivoc product to a proper mains socket (230 V~/50 Hz or 115V~/60 Hz) for the power supply. Ensure that the power cable is not crushed or damaged in any other way.
  • Page 11 ING THE USE OF ELECTRICALLY POWERED DEVICES. FOLLOW ALL INSTRUCTIONS AND DIRECTIONS IN THIS OPERATING MANUAL. IF YOU HAVE ANY QUESTIONS OR QUERIES, PLEASE CONTACT YOUR MIVOC DEALER OR MIVOC SUPPORT. THIS PRODUCT MAY ONLY BE USED IF IT HAS BEEN PROFESSIONALLY INSTALLED IN A SUITABLE CASING.

  • Page 12: Package Contents

    Do not exert any pressure on the external technical components (e.g. membrane, connection terminal, etc.). Check the contents of the packaging for completeness and damage. If you notice any damage, contact your mivoc dealer or mivoc support immediately before using the prod- uct and clarify how to proceed.

  • Page 13: Mivoc Am 80Mkii Amplifier Module

    MIVOC AM 80MKII AMPLIFIER MODULE The active module delivers 80 watts (rms) into 4 ohms and is very stable and virtually hum-free in operation thanks to the toroidal transformer. The AM 80 MK II subwoofer module offers both RCA sockets (Line In) and connection terminals (High Level IN from the hi-fi amplifier), with the signal being looped through to the High Level Out unfiltered.

  • Page 14: Am 80Mkii Connections And Settings

    AM 80MKII CONNECTIONS AND SETTINGS Figure 2. AM 80MKII – connection terminal HIGH LEVEL connection terminal LINE IN connection terminal System settings Power supply The speaker terminals can accommodate cables with a cross-section of up to 2.5 or plugs with a diameter of up to 4 mm.

  • Page 15: Am 80Mkii High Level Connection Terminal

    (receiver, hi-fi system, stereo amplifier, etc.) to the AM 80MKII subwoofer module (High Level In) via its speaker outputs. Connect your stereo speakers (e.g. mivoc HM5) to the speaker outputs (High Level Out). The music signal from the High Level input is forwarded to the High Level output.

  • Page 16: Am 80Mkii Line In Connection Terminal

    AM 80MKII LINE IN CONNECTION TERMINAL You can connect your main system (receiver, hi-fi system, stereo amplifier, etc.) via its subwoofer output or the pre-out connection (preamplifier output) to the Line In input of the AM 80MKII. Figure 4. AM 80MKII – Line in. RCA socket (white) for left line level input signal.

  • Page 17: Am 80Mkii System Settings

    AM 80MKII SYSTEM SETTINGS Figure 5. AM 80MKII – system settings PHASE (phase reversal switch): The phase reversal switch reverses the polarity. Use the setting (0° or 180°) that gives you the best overall sound from your system. POWER (on/off switch) OFF: The amplifier of the AM 80MKII is switched off AUTO: The amplifier of the AM 80MKII switches on automatically when a music signal is present.

  • Page 18: Am 80Mkii Power Supply

    AM 80MKII POWER SUPPLY The AM 80MKII is designed for operation on power supply networks with a) 220-240 V with 50 Hz b) 110-120 V with 60 Hz. A device fuse is integrated to ensure safe operation. The appropriate fuse must be inserted depending on the mains supply with which the subwoofer is operated.

  • Page 19: Mivoc Am 80Mkii Installation

    improperly.

  • Page 20: Preparing The Speaker Cables

    PREPARING THE SPEAKER CABLES If you are integrating your subwoofer into your system via the HIGH LEVEL inputs and outputs, you must first prepare the speaker cables. Figure 7a. Stripping the cable. Figure 7b. Twisting the cable ends. Remove a piece of the cable insulation at the ends Twist the cable strands so that no individual wires of the speaker cable according to the depth of the protrude and a uniform, stable cable end is created.

  • Page 21: Connection To The Power Supply

    CONNECTION TO THE POWER SUPPLY Figure 8. AM 80MKII – Power cable connection Use the end of the power cable fitted with the C7 plug. Insert the C7 plug into the C7 socket until the plug is fully seated in the socket. When plugging in, ensure that the plug is not tilted and the cable is not kinked.

  • Page 22: Audio Signal Connection

    AUDIO SIGNAL CONNECTION There are three ways in which you can connect a DIY subwoofer with a built-in Am 80MKII amplifier module to your hi-fi system. Which option is right for you will depend on the connection options offered by your control unit (amplifier, hi-fi system, AV receiver, soundbar, etc.).
  • Page 23 Option 3: HIGH LEVEL IN/Parallel operation If your control unit does not have a subwoofer output (Sub-Out) or a preamplifier direct output (Pre-Out), you can use the HIGH LEVEL IN inputs of the AM 80MKII and the speaker outputs of the control unit. Connect your stereo speakers in parallel to the AM 80MKII to the speaker outputs of your control unit.
  • Page 24 IMPORTANT INFORMATION Replacing the fuse. If the fuse blows as a protective function or when you make the adjustment to your power supply, you must replace the fuse. ONLY use the same type of fuse and observe the information on your AM 80MKII. Follow the steps below to replace the fuse.

  • Page 25: Mivoc Am 80Mkii Installation

    AM 80MKII SUBWOOFER SETUP The following section provides you with a manual on how to set up your self-built subwoofer with AM 80MKII amplifier module for an optimal listening experience. DISTANCE TO LISTENING POSITION SUBWOOFER Listening position Figure 11. DIY subwoofer with AM 80MKII – Setup The best position for your subwoofer may vary depending on the room size and installation location.

  • Page 26: Setting Up The Am 80Mkii

    SETTING UP THE AM 80MKII Once you have placed the subwoofer in its intended position, you can configure the system settings. For the initial tuning, you can follow the list below step-by-step. If possible, ask someone for help. This will allow you to evaluate changes in the sound while your assistant applies the settings.

  • Page 27: Distance From Boundary Surfaces

    DISTANCE FROM BOUNDARY SURFACES min. 0.1 m Figure 12. DIY subwoofer with AM 80MKII – minimum distance to boundary surfaces. When positioning your subwoofer, ensure that the distance between the rear of the speaker and neighbour- ing walls is not less than 10 cm. This will ensure that your subwoofer is working properly. You will get the best sound if you position the subwoofer so that it is 0.5 metres or more away from adjacent walls or larger objects with a large surface area, such as cabinets.

  • Page 28: Technical Data

    TECHNICAL DATA AM 80MKII SPECIFICATIONS ELECTRO-ACOUSTIC DATA Frequency range 23 Hz – 180 Hz Adjustable crossover frequency 40 Hz – 180 Hz Output power 150 W (programme)/80 W (rms) Transducer Suitable for woofers up to 10" (25 cm) Equipment Phase (0°, 180°) Automatic on/off switch (on, auto, off) Subsonic filter Low-pass filter with crossover frequency adjustable from 40 Hz - 180 Hz...

  • Page 29: Installation Dimensions

    INSTALLATION DIMENSIONS 中文 Dimensions in mm...

  • Page 30: Manufacturer Information

    During the warranty period, defective components or products. products will be repaired or replaced free of charge by mivoc at its own discretion. EU DECLARATION OF CONFORMITY...
  • Page 31 HEAD OFFICE Neuenhofer Strasse 42-44 42657 Solingen, Germany +49 212 382 26-0 info@mivoc.com www.mivoc.com , All rights reserved. The technical data and functional product features are subject to change. Designed in Germany Photocopying, translating or any other form of reproduction of sections or of the entirety of the user manual is prohibited.

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