Infinity PRELUDE MTS Tower Main / Stereo Speaker
Contents
1. Wo Infinity PRELUDE MIS Tower Owner s Guide PRELUDE MTS ToweR OWNER S GUIDE Table of Contents PRELUDE MTS TOWER 3 3 4 7 11 14 15 Technology Ceramic Metal Matrix Diaphragms C M M D Unpacking the Product Included Accessories Installing the Tower on Top of the Subwoofer Installing the Tower onto the Floor Stand Wall ounting the Tower Using the Wall Bracket Placement Specifications Infinity Prelude MTS This loudspeaker system represents a refinement of the principles that have guided Infinity s loudspeaker designs for more than 30 years Loudspeaker development is generally an evolutionary process New models usually perform slightly better than the ones they replace Over time the subtle improvements add up and when the latest model is compared to a loudspeaker that is ten or twelve years old the disparity is unmistakable Every once in a while a loudspeaker is developed that transcends this pattern its performance so remarkable its design so stunning its technology so advanced it can truly be described as revolutionary The new Infinity Prelude MTS loudspeaker system is an elegant case in point As part of the Prelude MTS system the Prelude MTS Tower incorporates several innovative technologies that when implemented by exceptional engineering talent after hours upon hours of subjective listening evaluations result in a loudspeaker that realistically and accurately r2. SCREWS be N NOT PROVIDED When mounting each bracket to the wall try and position it so that you anchor it to wall studs Be sure to anchor the bracket firmly to the wall to sufficiently hold the Speaker Tower Use screw positions as shown in Step1 S IN of Pl RA i FN 1 i N T SKK WALL BRACKET FLANGES RANGE CUTOUTS TR l K AV o 4 Trip 7 ra 1 sS we WALL BRACKET o Si BRACKET COVER Step 2 Align Flange Cutouts in Bracket Cover flange with Wall Bracket flanges and slide Bracket Cover onto Wall Bracket Now slide Bracket Cover so that it centers on the Wall Bracket This should be a tight fit Full High Pango Pass lt lt TOGGLE SWITCH VIEWING CUP IN BOTTOM OF SPEAKER TOWER C Step3_ When using the tower as a surround speaker set Toggle Switch in tower cup to Full Range When using as a front channel set Toggle Switch in tower cup in bottom to the Full Range position Please consult the Prelude MTS Subwoofer manual for exceptions to this setting PRELUDE MTSTOWER REMOVE SHORT AND REPLACE WITH LONG 10 32 SOCKET HEAD SCREWS PROVIDED 10 32 SOCKET HEAD SCREWS STRIPE NO STRIPE 10 32 SOCKET HEAD SCREWS BOTTOM END CAP SPEAKER CABLES Step 4 Remove 2 existing screws in top and 4 in bottom of Speaker Tower as shown Feed
3. TOWER I 4 BRACKET GUIDES GUIDE HOLES FOR ALIGNMENT PINS 1 4 20 CAP SCREWS SPEAKER TOWER BASE STEP 6 Seal the plastic bag making sure to tuck it back STEP 7 Turn stand over and slowly lower the tower inside the base and place the previously removed foam pad on assembly onto the stand being careful to insert the alignment top of the sealed bag Replace the foot with the same 1 4 20 pins into their receptacle guide holes Phillips screws PRELUDE MTSTOWER C9 FRONT VIEW SPEAKER TOWER 10 32 SOCKET HEAD SCREWS SCREW CAPS SCREW CAP w ALIGNMENT SLOTS REAR VIEW SPEAKER TOWER REAR SLOT IN BOTTOM OF SPEAKER TOWER 10 32 SOCKET HEAD SCREWS ae C P REAR SLOT IN BOTTOM OF SPEAKER TOWER Y 10 32 SOCKET HEAD SCREWS Fasten the four 10 32 Socket Head Screws through the tower base as shown two through the front baffle and two in the rear slot Press flush into place two screw caps to hide holes in front baffle base Make sure that the alignment Slots point toward the center to ensure that the surface curve matches that of the baffle PRELUDE MTS TOWER Wall Mounting the Tower Using the Wall Bracket The customer is responsible for proper selection and use of mounting hardware and for correctly and safely wall mounting the speakers pee WALL is BRACKET SJ WALL ANCHORS AND
4. advantageous to slightly angle the speakers aiming them toward the listening area When used as part of a home theater system you may find that you achieve excellent performance with the left and right speakers spread apart even further Feel free to experiment with the placement of the speakers to achieve the best possible sound in your listening room Normally it is recommended that the driver of each subwoofer face toward the outside and this is how the subs are packaged For some rooms however the system may perform better with the woofers facing the inside Feel free to experiment Surround Channels in a Home Theater System When used as part of a Dolby Pro Logic THX or discrete 5 1 channel home theater system the surround speakers should be placed at the sides of and directed toward the main listening area See Figure 2 If there are several rows of seating place the speakers as described above perpendicular to or slightly behind the last row of seating When used as part of a 7 channel music or home theater system place the side speakers at the sides of and directed toward the main listening area If there are several rows of seating place the speakers as described above perpendicular to the middle row of seating The rear speakers should be placed on the rear wall facing the front of the room Each rear speaker should be about 1 3 of the way into the room but never to the outside of the listening area See Fig
5. the tower as a surround speaker set Toggle Switch in tower cup to Full Range When using as a front channel set Toggle Switch in tower cup in bottom to the Full Range position Please consult the Prelude MTS Subwoofer manual for exceptions to this setting ALIGNMENT PINS INCLUDED WITH STAND VIEWING CUP IN BOTTOM OF SPEAKER TOWER Screw alignment pins into cup in bottom of tower Use two per tower Screw threaded ends into holes and tighten until snug DO NOT overtighten DOUBLE ENDED BANANA PLUG R NougpED WHY STAND VIEWING CUP IN BOTTOM OF SPEAKER TOWER Step 3 Insert double ended Audio Banana Plug into tower as shown PRELUDE MTSTOWER 4 4 3 1 4 20 PHILLIPS F MACHINE SCREWS i FOLD PLASTIC BAG OVER SIDES TO KEEP BASE CLEAN FILL PLASTIC BAG WITH SAND NOT INCLUDED FOR ADDED WEIGHT Step 4 To add greater stability to the tower stand add Step 5 Remove one foam pad and then pull out the plastic sand not included in the plastic bag provided in the tower base bag and open it Place it back into the opening of the base taking Turn the base upside down and remove the 3 1 4 20 Phillips care to fold it over the sides so as to keep sand from falling into the screws holding the foot onto the base base Fill the plastic bag with sand PRELUDE MTSTOWER 3 1 4 20 PHILLIPS j t estes MACHINE SCREWS i SPEAKER
6. your speaker cables through the slot in the Bottom End Cap as shown and connect to the terminals Place the Bottom End Cap on the Speaker Tower bottom PRELUDE MTSTOWER TOP SPEAKER BRACKET 10 32 SOCKET BOTTOM SPEAKER TOWER BOTTOM ENDCAP Q SCREW CAP SPEAKER SPEAKER ALIGNMENT BRACKET CABLES SLOTS Place Top and Bottom Speaker Holders in back slots of Speaker Tower top and bottom Insert 2 longer 10 32 Socket Head Screws provided in each and tighten Replace the 2 screws taken out of the front baffle Press flush into place 2 screw caps to hide holes in front baffle base Make sure that the alignment slots point toward the center to ensure that the surface curve matches that of the baffle P __ 5 16 24 HEX A T HEAD BOLT I A gi pec i 5 16 24 HEX A 2 HEAD BOLT T A Step 6 To mount Speaker Tower assembly to Wall Bracket assembly lift the Speaker Tower assembly with the help of another person onto the Wall Bracket assembly Have one person continue to hold the Speaker Tower assembly on the Wall Bracket assembly while the other inserts and tightens one of 2 5 16 24 Hex Head Bolts provided into the top Make sure you insert and finger tighten the top one first to keep the Speaker Tower assembly from slipping off the Wall Bracket After the top bolt is tightened insert and tighten the other 5 16 24 Hex Head Bol
7. 92 dwc Steen Michaelsen Infinity Europe A S Birker d DENMARK 10 99 PRELUDE MTSTOWER Wlnfinity H A Harman Intemational Company 1999 Infinity Systems Inc 250 Crossways Park Drive Woodbury NY 11797 USA 800 553 3332 USA Only www infinitysystems com Trademarks of Dolby Laboratories THX is a registered trademark of Lucasfilm Ltd Infinity is a registered trademark of Infinity Systems Inc Printed in USA 10 99 Part No 335060 002
8. ae WITH SUBWOOFER VIEWING CUP IN BOTTOM OF SPEAKER TOWER Step 6 Insert double ended Audio Banana Plug into tower as shown VIEWING CUP IN BOTTOM OF SPEAKER TOWER Screw alignment pins into cup in bottom of tower using two per tower Screw threaded ends into holes and tighten until snug DO NOT overtighten PRELUDE MTSTOWER SPEAKER TOWER BRACKET GUIDES i Q g ne HOLES FOR 7 ALIGNMENT i sy PINS mas 4 S CHS SUBWOOFER Slowly lower the tower assembly onto the subwoofer being careful to insert the alignment pins into receptacle guide holes 6 PRELUDE MTS TOWER FRONT VIEW SPEAKER TOWER 10 32 SOCKET HEAD SCREWS Ze Sp 10 32 SOCKET REAR SLOT HEAD SCREWS IN BOTTOM OF SPEAKER SCREW TOWER CAPS Dee av all SUBWOOFER SCREW CAP w ALIGNMENT 0 SLOTS REAR VIEW SPEAKER TOWER 10 32 SOCKET HEAD SCREWS REAR SLOT IN BOTTOM OF SPEAKER TOWER Step 8 Fasten the four 10 32 Socket Head Screws through the tower base as shown two through the front baffle and two in the rear slot Press flush into place two screw caps to hide holes in front baffle base Make sure that the alignment slots point toward the center to assure that the surface curve matches that of the baffle Installing the Tower onto the Floor Stand Full High Range Pass TOGGLE SWITCH VIEWING CUP IN BOTTOM OF SPEAKER TOWER Step 1 When using
9. eproduces the signal source with minimal distortion and coloration Ceramic Metal Matrix Diaphragms C M M D For decades loudspeaker engineers have known that the ideal transducer should be stiff yet light and have high internal damping Damping is a material s ability to absorb energy Infinity s C M M D transducer is a significant advance in transducer technology Ceramic a class of material new to loudspeakers offers better performance than that of other materials Ceramic is stiffer than metals and lighter than plastics and typical composite materials it also offers improved damping These ceramic based transducers take us a giant step closer to the ever elusive ideal transducer In tweeters C M M D technology offers stiffness and damping superior to that of traditional metals and soft dome materials In woofer and midrange applications it offers accurate pistonic operation over the entire frequency range of the driver completely eliminating coloration due to cone breakup and dramatically reducing distortion And when ceramic metal matrix transducers are exposed to moisture sunlight or extreme temperatures their performance does not deteriorate Transducers In addition to ceramic diaphragms all the transducers incorporate magnetic shielding and rigid cast frames that through our FEA computer modeling and scanning laser vibrometer measurements have been optimized to reduce resonances This ensures minimal distort
10. ion and incomparable performance Completing the Experience The technology and performance that make the Infinity Prelude MTS loudspeakers ideal for music listening also make them the perfect digital multichannel loudspeaker system To complete a home theater system Infinity has designed to the same precise standards as the Prelude MTS a matching 3 way center channel loudspeaker Also additional Prelude MTS Towers are available separately for use as full range surround channels The towers can be either wall mounted or attached to matching stands for floor placement We hope you enjoyed this brief introduction to the technology of the Prelude MTS system If you would like to further explore the technology and design of the Prelude MTS system please ask your Infinity dealer for the C M M D White Paper The White Paper can also be downloaded from Infinity s Web site at www infinitysystems com Unpacking the Product Unpack the speakers and check the contents If you suspect damage from transit report it immediately to your dealer and or delivery service Keep the shipping carton and packing materials for future use Included Accessories PRELUDE MTS TOWER D OD naa Screw Caps 2 PRELUDE MTSTOWER Please read through this owner s guide completely before attempting to install or connect the speakers We understand that you may be anxious to play your new system so we have made every effort to simplify the installation a
11. nd connections of the Prelude MTS Please see the guide included with the Prelude MTS Subwoofer for complete placement and connection instructions Before proceeding you should decide how you would like to install the tower portion of the Prelude MTS system The tower may be attached to the powered subwoofer mounted to our optional floor stands or mounted on the wall using the optional wall brackets In all cases it is strongly recommended that two or three people help install the tower to minimize the possibility of damage or injury Installing the Tower on Top of the Subwoofer PRELUDE SUBWOOFER Remove cap from subwoofer by gently lifting it off PRELUDE MTSTOWER 4 10 32 FLAT HEAD PHILLIPS MACHINE SCREWS SUBWOOFER TOP FRONT VIEW Remove the four machine 10 32 Phillips flat head screws from subwoofer cup 4 10 32 BUTTON HEAD PHILLIPS MACHINE SCREWS SUBWOOFER TOP FRONT VIEW 09 0 Add metal bracket positioning as shown replace the four existing screws with four machine 10 32 Phillips head screws provided METAL BRACKET Full High Range Pass TOGGLE SWITCH DOUBLE ENDED BANANA PLUG INCLUDED wm VIEWING CUP IN BOTTOM SUBWOOFER OF SPEAKER TOWER Step 4 Set Toggle Switch in tower cup in bottom to the Full Range position Please consult the Prelude MTS Subwoofer manual for exceptions to this setting ALIGNMENT PINS e
12. t in the bottom WALL BRACKET SPEAKER WALL eI BRACKET CAPS Ay A WALL Z A BRACKET CAPS Note If you wish to angle the Speaker Tower into a permanent position you will need to do so and tighten the 5 16 24 Hex Head Bolts before you attach the Wall Bracket Caps Tighten both bolts sec urely and attach the Wall Bracket Caps to the top and bottom of the Wall Bracket These will snap securely into place PRELUDE MTSTOWER The Infinity Prelude MTS is designed to offer excellent performance in any listening room or home theater system However the following placement guidelines and suggestions will start you on your way to achieving optimum performance Remember these are guidelines We suggest you experiment with positioning the loudspeakers to determine their ideal placement in your particular listening room 2 Channel or Front Left and Front Right Speakers in a Home Theater System Generally the system should be placed with the tower section installed atop the subwoofer at least three feet away from the side walls In 2 channel applications the two speakers should be equidistant from your primary listening position We recommend that the angle formed between the speakers and the listening area be between 45 and 60 For example if the speakers are 8 apart your listening position should be 8 to 12 from each speaker See Figure 1 With wider speaker separations it may be
13. ure 3 PRELUDE MTS TOWER ae LEFT CHANNEL RIGHT CHANNEL FIGURE 2 LEFT RIGHT rom FRONT TV y N E L CENTER LEFT SOFA RIGHT SURROUND surround FIGURE 3 LEFT RIGHT FRONT FRONT Y Tv Y CENTER LEFT SOFA i RIGHT SIDE e 5o PE E REAR REAR Prelude MTS Tower Frequency Response Impedance Sensitivity 2 83V 1 meter Recommended Amplifier Power Range 2nd and 3rd Order Harmonic Distortion 20Hz 20kHz 95dB SPL Crossover Frequencies Dimensions Infinity continually strives to update and improve existing products as well as create new ones The specifications and construction details in this and related Infinity SPECIFICATIONS 80Hz 22kHz 3dB 100Hz 20kHz 1 5dB 49 19 90dB 25 500 watts lt 1 80Hz 300Hz 2kHz 24dB Octave 37 x 6 1 2 x 7 1 2 940mm x 165mm x 191mm publications are therefore subject to change without notice Optional Accessories Prelude MTS WB Wall Bracket for Tower Prelude MTS FS Floor Stand for Tower Declaration of Conformity CE We Infinity Europe A S Kongevejen 194B DK 3460 Birker d DENMARK declare in own responsibility that the product described in this owner s manual is in compliance with technical standards EN 50081 1 1992 EN 50082 1 19
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