Mirage OMD-28 Manual Download Page 10

om design series manual

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8

CABLES AND AMPLIFICATION

Use the best quality speaker cables you have available.
The length and type of speaker cable used in your
system can have an audible effect and allow you to
maximize the transmission of power from your
amplifier to the speakers. 

We recommend, if possible, that short runs of speaker
cable connect the power amplifier(s) and speakers and
that high-quality long interconnect cables be used to
connect the preamplifier and power amplifier. This
results in the power amplifiers being close to the
speakers, which may be practically or cosmetically
difficult. However, if the length of the speaker cables
can be reduced to a few meters, sonic advantages
may be obtained. 

WARNING! Turn your amplifier off before making
or breaking any signal connections!

CONNECTING YOUR

SPEAKERS TO YOUR SYSTEM

All of the models in the OM Design Series feature high
quality gold plated binding post connectors. The
OMD-R uses a slightly different design of binding post
connectors then the other models in this series,
allowing the speaker to be mounted flush to the wall.
The functionality of all connectors is the same, and as
such the following description can be applied to all
models.

The OM Design series will accept a variety of
connector types including spade lugs, banana plugs,
or pin type connectors. The best connector in our
opinion is the "Spade lug" as it provides more contact
area with the terminal and allows the binding post to
be tightened for a secure connection. Audiophiles and
novices alike have preferences as to which connector
type they favor, speak with your Authorized Mirage
retailer as to which is the best for your Audio Video
System. Rest assured, plain speaker wire is more than
acceptable, you can always upgrade your wires and/or
connectors later on.

Remove the plastic red or black insert. The plastic
insert is a mandatory security measure, as dictated by
many local and federal government associations. 

To Connect your speaker system: Start at one speaker,
and connect one channel at a time, starting with the
front speakers. Always ensure that the entire A/V
system is powered OFF before performing any
connections. The positive and negative (red and black)
sides of the speaker terminals MUST match the
positive and negative (red and black) terminals of the
receiver or amplifier. If they do not match, abnormal
sound and a lack of bass response will result. After
connecting the front speakers, connect the rest of the
speakers to their appropriate channels of the receiver
or amplifier. The three connection methods and their
explanations include:

Summary of Contents for OMD-28

Page 1: ...om design series manual printed in canada 7ai eomdspkr ...

Page 2: ...re method Bi amp Tri amp 5 0 MULTI CHANNEL AUDIO SET UPS 12 6 0 BREAK IN PERIOD 12 7 0 FINE TUNING YOUR AUDIO SYSTEM 13 General Recommendations How to fine tune the low frequency performance How to fine tune the imaging How to fine tune the soundstage depth How to incorporate acoustic room treatments Additional requirements for Surround Sound Set ups 8 0 INSTALLATION OF THE FEET 15 9 0 CLEANING AN...

Page 3: ...other system designs in terms of performance and aesthetics COMPANY BACKGROUND Mirage loudspeakers and subwoofers are designed and manufactured by Audio Products International Corp known throughout the industry as API A Canadian company founded in 1973 API is one of the world s largest speaker manufacturers supplying products worldwide The renowned Mirage research team advances its speaker develop...

Page 4: ...ign series consists of three different models the OMD 28 the OMD C2 and the OMD R The following drawings show the three different models with their respective dimensions This information may be useful when deciding on the initial positioning of your new speaker system OMD 28 OMD C2 OMD R ...

Page 5: ... above the OMD R comes equipped with a versatile and easy to use wall bracket that can be found in the corner of the foam packaging which protects the cabinet during the shipping process UNPACKING When removing any of the OM Design models from their respective packaging please make sure to use the supplied gloves in order to protect the beautiful finish on your new speakers We strongly recommend u...

Page 6: ...teps 4 Remove the foam packing by gently lifting the packing straight up and out of the interior cardboard box You will now see the OMD 28 wrapped in protective material positioned on a bottom layer of foam packaging 5 Remove the top grille from the foam packaging before removing the cabinet 6 Lift the OMD 28 out of the shipping box by grasping the base of the loudspeaker s sides and carefully sta...

Page 7: ...ith too much reflected information NOTE DO NOT INSTALL THE FEET TO THE OMD 28 UNTIL YOU HAVE COMPLETED THE BREAK IN AND FINE TUNING PROCEDURES REPOSITIONING THE SPEAKERS WITH THE FEET INSTALLED CAN BE VERY DIFFICULT AND COULD POTENTIALLY CAUSE DAMAGE TO YOUR FLOORS A general guideline for speaker placement is to set up the space between speaker and listener at approximately 1 2 to 1 5 times the di...

Page 8: ...ment The ideal position is either on the sidewalls or rear walls Side Wall This position utilizes the rear walls of the room to reflect sound and create the surround effect Rear Wall This is generally used when the sidewall position is not available to you due to furniture placement or room dimensions It is also used in a 6 1 or 7 1 surround configuration Both mounting positions have their advanta...

Page 9: ...D SHOULD BE VISIBLE WHEN YOU OPEN THE OMD R PACKAGING 1 Select the mounting position best suited for your room 2 Place the wall mounting bracket against the wall in the desired mounting location and mark the center of the two holes with a pencil This is where you need to insert the appropriate mounting hardware to securely fasten a load of 22 lbs Hardware is not included with the speaker as buildi...

Page 10: ... can be applied to all models The OM Design series will accept a variety of connector types including spade lugs banana plugs or pin type connectors The best connector in our opinion is the Spade lug as it provides more contact area with the terminal and allows the binding post to be tightened for a secure connection Audiophiles and novices alike have preferences as to which connector type they fa...

Page 11: ... minding the positive and negative polarities to the lower set of connectors Ensure the terminals are tight The gold shorting straps that connect the lower and upper connections in the case of the OMD 28 the shorting strap should bridge the lower middle and upper set of binding posts must remain in place 2 Repeat the procedure for the second speaker OMD 28 OMD C2 OMD R ...

Page 12: ...he amp and speakers as the traditional method would provide For more details on the benefits of bi wiring please discuss this with your authorized MIRAGE retailer OMD R AND OMD C2 Before starting remove the gold shorting straps which connect the top and bottom set of input terminals To remove the straps loosen all of the connectors and pull the straps away from the binding posts Make sure you put ...

Page 13: ...he gold straps should be connected to the middle and top set of binding posts This way one separate set of cables would be used to drive the two 8 drivers and the other cable would drive the midrange and tweeter TRI WIRE METHOD OMD 28 ONLY In order to tri wire the OMD 28s simply remove the binding post straps from the speakers and connect three separate set of wires to the six binding posts Please...

Page 14: ...N YOUR MULTI CHANNEL AUDIO SYSTEM IT IS HIGHLY RECOMMENDED TO USE ONLY MODELS FROM THE OM DESIGN SERIES BREAK IN PROCEDURES It is VITAL that your new OM Design speakers be allowed to break in properly before you perform any precise set up procedures system adjustments and before you play them at higher volume levels The best method of performing the break in is to play a full range musical passage...

Page 15: ...remedy these issues small changes to your room should be considered as they generally lead to large improvements in sound quality Most listening rooms must balance aesthetics and sound but patience and small adjustments in positioning and settings can pay huge acoustic dividends The lower bass frequencies are typically the most influenced by your listening room If you find the bass in your room to...

Page 16: ...r to the respective wall HOW TO INCORPORATE ACOUSTIC ROOM TREATMENTS If the sound has poor focus and seems to be too splashy or indistinct sounding more damping may be required in the listening area Experiment by adding an area rug between the listener and the front speakers if there is a bare wood floor Some damping treatment to treat the ROOM not the speaker reflection points can work well to re...

Page 17: ... OMD 28 1 With one person securely holding the OMD 28 cabinet in place slightly tip the cabinet towards that person so that the bottom of the base is partially exposed 2 The other person can now screw the feet into one of the four the threaded inserts found at the bottom of the base Repeat these steps until all four feet are securely installed 3 The feet can now be used to precisely level the spea...

Page 18: ...be made of soft cotton such as flannel Coarse or synthetic fabrics can scratch some finishes A cleaning cloth is supplied in your speaker package NOTE DO NOT TOUCH OR ATTEMPT TO CLEAN THE METAL DOME TWEETER IRREPARABLE DAMAGE WILL OCCUR CLEANING THE FINISH To remove smudges and fingerprints first dust as described above Then use the supplied cleaning cloth to gently clean the speakers If heavier c...

Page 19: ...n this warranty the terms of the Limited Warranty prevail GARANTIE AUX ÉTATS UNIS ET AU CANADA La société MIRAGE garantit cet appareil contre toute défectuosité attribuable aux pièces d origine et à la maind oeuvre Cette garantie est valide pendant une période de cinq 5 ans enceinte passif et de un 1 an extrêmes graves à partir de la date d achat auprès d un revendeur MIRAGE agréé la garantie ne s...

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