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Installation Manual &
User Guide
This installation guide covers installation of the Amina Mobiusi
Invisible loudspeakers into cavity walls and ceilings, finished
with a full plaster skim.
Other installation guides are available to download at www.
aminasound.com for walls built with different construction
methods.
Always choose the installation guide that matches the speaker
and wall type for your installation.
Compatibility
Mobiusi
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Summary of Contents for Amina Mobius i Series
- Page 1 Installation Manual & Mobiusi User Guide Compatibility This installation guide covers installation of the Amina Mobiusi Invisible loudspeakers into cavity walls and ceilings, finished with a full plaster skim. Other installation guides are available to download at www. aminasound.com for walls built with different construction methods.
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Page 2: Wall Construction
Refer to www.aminasound.com to download installation guides for installation of the Mobiusi speaker into other wall types or contact the Amina support team for further advice. What’s in the box The following items are included with each... -
Page 3: Table Of Contents
Installation ..............13 electrical tests ............37 Mounting accessories .......... 13 Distortion at higher volume levels ....37 Amina speaker protection devices ....14 Specifications ..............38 Cutting the opening for the BackboxCV ..16 Mobiusi series - Plaster over products ..38 Using shims ............. 20 Fire resisting installation ........39... -
Page 4: Caution: Read Before Installing This Product
Never operate your electric cables, water pipes, gas pipes or Amina loudspeakers at a level where audio supporting joists will be cut through or reproduction sounds distorted. damaged. - Page 5 • Do not attempt to modify or repair the product. Contact your distributor or Amina if a fault should occur. • When plastering over, ensure only 2mm of material covers the product. More than this will degrade the performance of the product and could lead to product failure.
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Page 6: Metal Frame Ceilings
Metal parts that are not fully Amina backbox and from the floor above. secure can resonate against each other when Absorption damping in the void vibrational energy is applied to the ceiling. -
Page 7: Sound In Your Home
Sound from any audio source (a This creates an entertaining yet naturally person talking, a conventional speaker, comfortable sound field for users and a TV or an Amina invisible speaker) occupiers. will transfer in air through open doors, At the same time the physical embodiment... -
Page 8: Message From The Managing Director
At Amina we are proud of being at the years. forefront of flat panel Active Sound Board loudspeaker technology. All Luxurious hotels &... -
Page 9: Introduction
Installation is simple, but should only be it in the unlikely event you need to return attempted by professional building trades the product to your dealer or to Amina. with plastering experience and who have Please recycle the packaging should you... -
Page 10: Compatibility
Always choose the installation guide that matches the speaker and wall type for your installation. While the Amina Mobiusi speaker is very suitable for drywall installations where a skim coat covers the speakers and feathers out over the surrounding drywall,... -
Page 11: Environmental
16 degrees centigrade (61 degrees lose strength and can crack. Fahrenheit) • Amina Technologies take no • This product should not be used with responsibility for inappropriate use of single thick coat plaster solutions or... -
Page 12: Overview
Overview Electrical connection (to an amplifier) 2. High power neodymium magnet structures 3. Active panel surface 4. Aluminium chassis The Overview image shows a Mobius7i loudspeaker with triple magnet structures. Other models may feature different numbers of magnet structures and electrical connectors. -
Page 13: Setup Tips
For this installation, the Wall or Ceiling Placement four Amina speakers are positioned in the ceiling to cover the full seating area, driven Amina loudspeakers are suitable for both by just the two (left and right) channels of wall and ceiling installations. - Page 14 In addition to the above characteristics, the radiating surface of an Amina speaker is very stiff and undergoes very small amounts of movement in order to generate Top (with cable connection) high sound pressure levels.
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Page 15: System Requirements
Please talk to the Amina technical team for quality and at worst may permanently advice on reducing sound transmission as a damage the loudspeaker. -
Page 16: Installation
IMPORTANT: Read this section carefully before attempting to install an Amina speaker. To avoid any possible damage to Amina invisible loudspeakers they must be mounted and connected using the correct accessories, supplied by Amina. The tables to follow list these accessories. -
Page 17: Amina Speaker Protection Devices
Amina Mobiusi loudspeaker. To avoid any possible damage to Amina invisible loudspeakers they must be connected using the correct accessories, supplied by Amina. The tables to follow list these accessories. Amina speaker protection devices Amina speaker protection devices are specifically designed to work with Amina invisible loudspeakers. - Page 18 (4 channels at 100W each) with sophisticated digital sensing and control technology to deliver the ultimate protection for your Amina invisible speaker. It both prevents excessive audio signals from ever reaching the speakers whilst allowing them to perform at their absolute peak at all times.
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Page 19: Cutting The Opening For The Backboxcv
Ensure the spacing between them is at least 5mm greater than the width of your Amina Mobiusi speaker. The following method is highly recommended to measure the distance between the joists. - Page 20 Installation Cutting the opening for the BackboxCV Check width between the joists Measure from the centre of the opening to the joist on the left (A in the top image) and the joist on the right (B in the bottom image).
- Page 21 Installation Cutting the opening for the BackboxCV IMPORTANT: We strongly advise that joists are not cut to make space for the backbox. Any activity of this sort may well influence the structural integrity of your property. Fix the template to the wall The speaker is supplied with a template.
- Page 22 Installation Cutting the opening for the BackboxCV Remove the cut section Lift out the cut section of the wall. Check the size of the opening. This should measure - BackboxCV Opening size BackboxCV200 455 mm x 205 mm ” x 8 ”) BackboxCV300 405 x 305mm...
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Page 23: Using Shims
Installation Using shims Check if shims are required Measure the thickness of the wall (d). Referring to the table below, check if any shims will be required. Shim 12.0 - 13.0mm ” - ”) 13.0 - 14.0mm (0.040”) ” - ”) 14.0 - 15.0mm (0.080”) -
Page 24: Fitting The Backboxcv
Installation Fitting the BackboxCV Feed the cable Feed the cable from the amplifier to the opening where the BackboxCV will fit. Wire the BackboxCV Feed the wire through the cable grommet in the wall of the BackboxCV. Click here to return to the contents page... - Page 25 Installation Fitting the BackboxCV Hold the BackboxCV in place Feed the BackboxCV into the cavity behind the opening as shown. Secure the BackboxCV Holding the BackboxCV in position, screw through the wall to secure the BackboxCV with 12 screws. CAUTION: Avoid fitting screws through the keep-out areas shown when screwing the BackboxCV to the wall.
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Page 26: Fitting The Speaker
Installation Fitting the speaker Lever splices Amina Mobiusi speakers are supplied with lever splices to join the cable from the amplifier to the speaker wires. Prepare the wires • Strip the insulation from the ends of the cable and twist the strands together. - Page 27 Installation Fitting the speaker Fit the speaker into the BackboxCV The speaker can now be fitted into the opening in the wall to sit on the mounting flanges of the BackboxCV. CAUTION: Ensure that the speaker cabling is not touching any part of the speaker or the BackboxCV.
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Page 28: Check Alignment
Installation Check alignment Check the alignment of the speaker with the wall Before proceeding, use a straight- edge to re-check that the front face of the speaker sits slightly above the surface of the wall. If the front face is sitting behind the wall, remove the speaker and adjust the shims until the alignment is correct. -
Page 29: Testing
DC voltage can damage the speaker. 100Hz - 1kHz Amina Protection Device Resistance test Using a multimeter and without the Amina protection device connected, check the nominal impedance (DC resistance) of the speaker at the amplifier end of the speaker cable. -
Page 30: Sweep Test
Testing Problems during test Sweep test If you encounter any rattling or buzzing Amina recommends a tone sweep be used problems during test, check the following at a moderate volume level (0.5 Vrms). section to resolve these issues. Such a test will quickly highlight any... -
Page 31: Finishing
Finishing Cutaway view This cutaway view shows a section through the speaker and BackboxCV, assembled to the wall before full plaster skim finishing. 12.5mm ( ”) plasterboard Shim (if plasterboard is less than 12.5mm ”) thick). Ensure that there is Wall a 2mm gap between the speaker and the... -
Page 32: Preparing The Speaker For Plastering
Ensure it covers the entire speaker face and the plasterboard joint. Amina can provide rolls of 500mm wide adhesive scrim to do this in one operation. Alternatively, use multiple strips of narrower scrim tape. -
Page 33: Full Plaster Skim Coat
Finishing Full plaster skim coat Apply plaster skim coats to the entire wall surface and loudspeaker. The maximum total plaster thickness must be no more than 2mm. The working environment must be dry enough to allow the plaster finish coat to dry within hours, not days. -
Page 34: Decorating
DC voltage can damage the speaker. Amina Protection Device You can then paint the surface or hang wallpaper in the usual manner. Click here to return to the contents page... - Page 35 This has the potential to work its way back to the Amina loudspeakers exposing them to an unacceptably damp environment for an extended period. The use of impermeable coatings and materials should be considered carefully and with caution.
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Page 36: Final Test
Do not use a battery or DC voltage supply to check continuity or phase 100Hz - 1kHz check as there is no forward or backward movement of the panel. DC voltage can damage the speaker. Amina Protection Device Click here to return to the contents page... -
Page 37: Maintenance And Cleaning
If damage to the plaster work occurs, use repair plaster to restore the plaster surface prior to re-decorating. Amina Technologies Ltd recommends British Gypsum Gyproc- Joint-Filler as a repair plaster. Avoid pushing the wall or ceiling surface immediately in front of the speaker. -
Page 38: Accessories
Accessories Subwoofers 50mm port opening ALF80 (not available in North America) 100W passive subwoofer with unique adjustable port design allowing the product to be installed within joinery, behind kick boards or within ceilings or other voids. Highly discrete, powerful and ALF80 deep bass response is achieved with only a small opening for the port required within... -
Page 39: Troubleshooting
+ and - to - from amp to speaker). is designed to help determine possible problem areas. • The Amina Guardian is an in-line high- pass filter and over-voltage protection unit that protects the speaker, and is CAUTION: designed to reset automatically when the voltage applied to the speaker is reduced. -
Page 40: Distortion, Buzzing Or Rattles At Modest
The speaker • If the rattle persists, remove the will need to be sent to Amina for repair. speaker from the wall and check your wiring to the product. Ensure that wires, Distortion at higher volume... -
Page 41: Specifications
/ Guardian Guardian / Guardian Guardian / Guardian In-line protection unit (multi-channel) Fixing options Amina BackboxCV300 / Amina BackboxCV345 / Amina BackboxCV345 / BackboxSW300 / Basic fixing BackboxSW345 / Basic fixing BackboxSW345 / Basic fixing kit / Firehood300 kit / Firehood345... -
Page 42: Fire Resisting Installation
7i speakers which can (when specific installation instructions are followed) meet the requirements of EN1365.2:2014 without the use of an Amina fire hood. If you are in any doubt concerning the selection or installation of Amina speakers or accessories in an installation that requires fire resistance, contact Amina Technical Support. -
Page 43: Contact Information
Contact information Amina Technologies Ltd UK and headquarters Cirrus House, Glebe Road, Huntingdon Cambridge, PE29 7DL, UK T: +44 (0)1480 354390 E: info@aminasound.com - general enquiries and career opportunities E: support@aminasound.com - expert advice E: sales@aminasound.com - sales team W: www.aminasound.com... - Page 44 Amina Technologies Ltd Cirrus House, Glebe Road Huntingdon, Cambs, PE29 7DL, U.K. T: +44 1480 354390 W: www.aminasound.com / E: info@aminasound.com Copyright 2024 Mobiusi with BackboxCV, full skim V5.4...
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