Monitor Audio Loudspeakers 2005 Rev 2 User's Manual
Contents
1. Play the music movie at an average listening level the Subwoofer should switch on automatically blue LED on front will illuminate 2 The volume control can now be adjusted to a desirable level 3 The frequency control can now be set to give a seamless sound balance The setting will depend on the low frequency response of the main satellite speakers 4 The volume may need to be fine tuned to complete the installation process It is very important to try a variety of music movies with which you are familiar in order to obtain the optimum overall settings Troubleshooting No sound from the subwoofer Check that the power connection is made correctly Check to see if the power light is on Check the input connections to the subwoofer are correct If the amplifier input is in use check the connections are phased correctly to and to e Ifthe amplifier input is in use check the speaker wires are connected at the amplifier Excessive bass from subwoofer e Check the position of subwoofer ensure that it is not too close to a corner of the room e Re check the set up procedure Inadequate bass from subwoofer e Re check full set up procedure Vibrating noise from subwoofer e Check that this is not caused by items located on top of or close to the Subwoofer which may vibrate when subject to deep bass sounds If problems persist contact your dealer for assistance B Monitor Audio 2005 Rev 2 System wiring configu2. the grille into place Technical Specification Power Frequency Nominal Sensitivity Maximum Handling Recommended Response Impedance 1w 1m SPL Full Amplitier R P Range Requirements R M S 50 Hz 25 KHz 80 90dB 108dBA 120W 20 120 W Drive Unit External Weight A Cane B complement Dimensions Kg g p Tweeter cm each 1 x 25mm C Twin Front 2x4 MMP 2 Second CAM gold 76Hx12W ported bass generation metal matrix dome x10 5D 4 3 reflex polymer iweeter 7 Monitor Audio 2005 Rev 2 gt gt Radius 225 250 Wall Bracket Fixing Instructions WARNING For safety reasons do not attempt to fix these speakers to your wall if you are unsure of your ability to provide a secure and safe fixing You will need to determine where to secure the brackets and the structure of the wall If unsure please obtain the services of a competent qualified tradesperson WARNING Ensure that there are no water pipes or electricity cables running behind where the wall bracket is going to be secured Work from secure steps and avoid trailing wires The Radius 250 is fitted with two 1 4 UNC inserts These can be found under the factory fitted wall brackets These inserts have been put in place for use with other after market wall brackets For detailed information on fixing your Radius 225 250 to the wall please refer to the fixing instruction found in with the Wall Fixing Plate 8 Mon
3. the sound around the room to create a wide sound stage giving the apparent performance of a much larger speaker system Please refer to the section System Wiring Configurations on page 14 NOTE When used with an A V receiver amplifier or processor the speaker setting should be set to small and the crossover frequency set to 120Hz If the receiver only has a 80 100 Hz setting it must be noted that the overall power handling and maximum sound pressure level will be reduced NOTE The Radius 45 is fitted with a PTC device This protects the drive unit and tweeter from being over driven The PTC is a thermal device When too much current is passed through it it gets hot and trips out If the sound should suddenly cut out please turn your system off and allow the PTC to cool down After a short while you can then turn your system back on again If the PTC does trip turn the volume down slightly to help prevent it happening again Grille Fitment To help the Radius 45 fit into any life style environment we include a choice of silver and black grilles silver and white with white Radius 45 as standard You will find the spare grille enclosed within the polystyrene packaging end caps If you wish to change the grille colour you can do this by carefully removing the grille using your fingers to gradually pull the existing grille off the cabinet To fit a grille ensure the badge is correctly orientated and gently press the grille into plac
4. Contents V 2 Q o Contents Introduction Safety Instructions Radius 45 Radius 90 Radius 180 Radius 45 90 180 Wall Bracket Fixing Radius 225 Radius 250 Radius 225 250 Wall Bracket Fixing Instructions Radius 270 Radius 360 amp Radius 720 Fine Tuning amp Trouble Shooting the Radius 360 amp 720 System Wiring Configurations Ancillary Equipment Guarantee amp Service Claims Under this Guarantee OMANDAHRWND ao oo ouhWO Introduction Congratulations on purchasing Monitor Audio loudspeakers We are confident they will provide a reliable high performance sound for many years as only quality components have been used throughout Monitor Audio are a highly respected member of the Guild of Master Craftsmen with over 30 years of experience in the art of traditional wood working techniques and leading edge drive unit technology This blend of experience and technology brings you the Radius Series Please follow this user manual carefully as it contains important information about positioning and set up procedures For further advanced information on system set up FAQ s and multi lingual support please refer to our website at www monitoraudio co uk Safety Instructions 1 Water amp Moisture The loudspeaker should not be used near water for example bathtub washbowl kitchen sink and washing machine in a wet basement or near a swimming pool Under no circumstance should plants or fish bowls be pla
5. age 14 Grille Fitment To help the Radius 180 fit into any life style environment we include a choice of silver and black grilles silver and white with white Radius 180 as standard You will find the spare grilles enclosed within the polystyrene packaging end caps If you wish to change the grille colour you can do this by carefully removing the grille using your fingers to gradually pull the existing grille off the cabinet To fit a grille ensure the badge is correctly orientated and gently press the grille into place Technical Specification Power System Frequency Nominal Sensitivity Maximum Handling Full Power ar a Response Impedance 1w 1m SPL Range Handling Hecuiemcits R M S R M S 60 Hz 25 KHz 80 87dB 105dBA 60W 100W 10 100 W Bass Drive Unit bas Unit i pena Weight Kg Alignment Complement Bass EEI ARREO KOTAR each Tweeter cm Front 1 x4 MMP 2 Second 1 x 25mm C ported generation metal matrix CAM gold 2 ENE Ri 2 3 bass reflex polymer dome tweeter 4 Monitor Audio 2005 Rev 2 gt gt Radius 45 90 180 Wall Bracket WARNING For safety reasons do not attempt to fix these speakers to your wall if you are unsure of your ability to provide a secure and safe fixing You will need to determine where to fit the bracket and the structure of the wall If unsure please obtain the services of a competent qualified tradesperson WARNING Ensure that t
6. ce is at a premium The Radius 250 can be positioned on our bespoke table stand or shelf by fitting the rubber feet provided to the underside of the speaker Alternatively you can choose to fix the Radius 250 to a wall by using the high quality bespoke wall bracket provided Please refer to the Radius 225 250 Wall Bracket Fixing Instructions on page 8 Configuration The Radius 250 is fully magnetically shielded and can be positioned as close to a TV as you wish either as a pair in a two channel stereo system or as part of a multi channel audio Home Theatre system The Radius 360 or 720 subwoofers can be used with the Radius 250 to provide deep powerful bass Please refer to the section System wiring configurations on page 14 Grille Fitment To help the Radius 250 fit into any life style environment we include a choice of silver and black grilles silver and white with white Radius 250 as standard You will find the spare grille enclosed within the polystyrene packaging trays We have also included a spare badge This is for when the Radius 250 is used as a centre channel speaker If you don t like the factory fitted location of the badge you can carefully remove this badge and place the enclosed spare badge in your preferred location If you wish to change the grille colour you can do this by carefully removing the grille using your fingers to gradually ease the existing grille off the cabinet To fit a grille gently press
7. ced on the loudspeaker 2 Heat The loudspeaker should not be placed near any heat source such as radiators open fires stoves direct sunlight and any other appliance that produces heat 3 Cleaning Great care and attention has gone into the materials chosen to produce the Radius loudspeakers A gentle wipe with a dry clean cloth is all that is required to remove any dust Treat them as you would a fine piece of furniture because that is how they have been designed 1 Monitor Audio 2005 Rev 2 RaDIUS 45 Positioning The Radius 45 can be positioned on a shelf by fitting the rubber feet provided to the underside of the speaker to stop vibrations Alternatively you can choose to fix the Radius 45 to a wall by using the high quality metal alloy wall bracket provided A specially designed Floor Stand can be purchased from your local authorised Monitor Audio dealer for placement in free space available soon To fix your speaker to the wall when using the wall bracket please refer to the Wall Bracket Fixing Instructions in the wall bracket carton Configuration The uniquely designed ultra compact Radius 45 has been primarily designed as a satellite speaker for use in a multi channel audio or video system Combined with the Radius 360 720 subwoofer the Radius 45 forms an extremely discreet system that can be wall or stand mounted to fit in with a modern lifestyle environment The rear firing gold C CAM tweeter is able to spread
8. consumer sale shall be construed in accordance with Section 15 of the supply of goods act 1973 Monitor Audio accepts no responsibility for defects arising from accident misuse abuse wear and tear modification or operation outside of that specified within this manual Neither will responsibility be accepted for damage or loss occurring during transit to or from the parties claiming under this guarantee This guarantee covers both labour and parts The liability of Monitor Audio is limited to the cost of repair or replacement of the defective parts at the discretion of Monitor Audio and under no circumstances extends to consequential losses or damage Service The user should not attempt to service their Radius loudspeakers beyond that specified in this manual Qualified service personnel should carry out all other servicing requirements 15 Monitor Audio 2005 Rev 2 Claims under this Guarantee The equipment should be returned in its packaging to the original supplier where possible or to any other authorised Monitor Audio dealer If it is not possible to return the equipment by hand then it should be sent carriage prepaid via a reputable carrier If the original packing is not available replacement packaging can be purchased from Monitor Audio If you have any difficulties complying with these requirements please contact us at the following address Monitor Audio Ltd Unit 2 24 Brook Road Rayleigh Essex SS6 7XL Engla
9. e Technical Specification Power System Frequency Nominal Sensitivity Maximum Handling Full Power ones Response Impedance 1w 1m SPL Range Handling Requirements R M S R M S q 120 Hz 22 KHz 80 87dB 101dBA 25W 50W 5 25 W Bass Drive Unit Drive unit External Weight Kg Alignment Complement Bass Complement Dimensions each 9 p Tweeter cm 1 x 20mm C Sealed 1AE MME e aeeoa CAM gold dome 9 5H x 9 5 W Cabinet 9 tweeter Rear x9 5D 0 95 polymer firing 2 Monitor Audio 2005 Rev 2 RADIUS 90 Positioning The Radius 90 can be positioned on a shelf by fitting the rubber feet provided to the underside of the speaker to stop vibrations Alternatively you can choose to fix the Radius 90 to a wall by using the high quality metal alloy wall bracket provided or by purchasing the specially designed bespoke Radius Floor Stand from your local authorised Monitor Audio dealer To fix your speaker to the wall please refer to the Wall Bracket Fixing Instructions in the wall bracket carton When using the wall bracket we do not recommend connecting the loudspeaker using 4mm plugs into the ends of the terminals Instead the connection can be made by unscrewing the terminal cap and using the through hole The terminal cap can be retightened to provide a secure connection Configuration The Radius 90 is extremely versatile and can be used in a number of system configuratio
10. here are no water pipes or electricity cables running behind where the wall bracket is going to be secured Work from secure steps and avoid trailing wires To fix your radius product to it s bespoke wall bracket please refer to the fixing instructions found in the Wall Bracket Carton These instructions give a well detailed approach on fixing the bracket A template is also provided for assistance RADIUS Bracket www monitoraudio co uk 5 Monitor Audio 2005 Rev2 RADIUS 225 Positioning The Radius 225 can be positioned vertically portrait or horizontally landscape and has been designed ideally to be used with a plasma TV or in places where space is at a premium The Radius 225 can be positioned on our bespoke table stand or shelf by fitting the rubber feet provided to the underside of the speaker Alternatively you can choose to fix the Radius 225 to a wall by using the high quality bespoke wall bracket provided Please refer to the Radius 225 250 Wall Bracket Fixing Instructions on page 8 Configuration The Radius 225 is fully magnetically shielded and can be positioned as close to a TV as you wish either as a pair in a two channel stereo system or as part of a multi channel audio Home Theatre system The Radius 360 or 720 subwoofers can be used with the Radius 225 to provide deep powerful bass Please refer to the section System wiring configurations on page 14 Grille Fitment To help the Radi
11. itor Audio 2005 Rev 2 RADIUS 270 Positioning The Radius 270 s are the only floor standing loudspeaker in the Radius line up These excellent performing floor standers come ready to play straight out of the box with stabilizing plinths already attached we do not recommend that you take this plinth off To improve the bass response you can fit the acoustic spikes to the underside of the plinths These simply screw in to the remaining four holes in the bottom of each plinth Caution must be taken when handling the spikes as they are very sharp The Radius 270 s should be positioned no closer than 2 2 5 metres apart for optimum sound Configuration The Radius 270 s can be used in a number of system configurations They are fully magnetically shielded and can be positioned as close to a TV as you wish On their own they can be used in a two channel stereo system for use in a medium size room Alternatively the Radius 270 s can be used as part of a Home Theatre system or multi channel audio set up The Radius 360 or 720 subwoofers can be used with the Radius 270 s to provide deep powerful bass Please refer to the section System Wiring Configurations on page 14 Grille Fitment To help the Radius 270 s fit into any life style environment we include a choice of silver and black grilles silver and white with white Radius 270 s as standard You will find the spare grilles enclosed within the polystyrene packaging end ca
12. l matrix CAM gold 19 E 6 wW 2 bass reflex polymer dome tweeter 3 Monitor Audio 2005 Rev 2 RADIUS 180 Positioning The Radius 180 can be positioned vertically portrait or horizontally landscape The Radius 180 can be positioned on a shelf by fitting the rubber feet provided to the underside of the speaker to stop vibrations Alternatively you can choose to fix the Radius 180 to a wall by using the high quality metal alloy wall bracket provided or by purchasing the specially designed bespoke Radius Floor Stand from you local authorised Monitor Audio dealer To fix your speaker to the wall please refer to the Wall Bracket Fixing Instructions in the wall bracket carton When using the wall bracket we do not recommend connecting the loudspeaker using 4mm plugs into the ends of the terminals The connection can be made by unscrewing the terminal cap and using the through hole The terminal cap can be retightened to provide a secure connection Configuration The Radius 180 is extremely versatile and can be used in a number of system configurations It is fully magnetically shielded and can be positioned as close to a TV as you wish On it s own it can be used in a two channel stereo system as part of a multi channel audio Home Theatre system The Radius 360 or 720 subwoofers can be used with the Radius 180 to provide deep powerful bass Please refer to the section System wiring configurations on p
13. lectricity supply until the installation and initial set up procedure is complete The optimal control settings will ultimately depend entirely on your system configuration For initial trials set the controls as follows Volume Should be set to the minimum position Frequency Should be set to approximately 100 Hz Phase Should be set initial to 0 degrees Mode R360 only If you are setting your system up as two channel set the mode switch in music mode If you are installing a predominately home cinema system it may be more effective to set mode switch to movies position Crossover LFE R720 only If your subwoofer is being used with a stereo integrated pre power amplifier this should be set to crossover If your subwoofer is being used with an AV amp receiver with a dedicated subwoofer output this should be set to LFE AN WARNING Do not adjust the main voltage selector as this is factory pre set Position Location Your Radius 360 720 Subwoofer is magnetically shielded and can be located in close proximity to a T V No matter where you place your Radius 360 720 you must allow sufficient spacing for ventilation of the rear panel We recommend this distance to be not less than 100mm 4 Subwoofer Connections There are a number of ways to connect your subwoofer into your system One uses loudspeaker cables the other uses interconnect cables with RCA phono plugs Looking at the rear panel of
14. nd Tel 44 0 1268 740580 Fax 44 0 1268 740589 Internet www monitoraudio co uk Email info monitoraudio co uk This guarantee does not affect the statutory rights of the consumer under UK law Monitor Audio reserve the right to alter specifications without notice if it is considered that an improvement can be made to the product 16 Monitor Audio 2005 Rev 2
15. ns It is fully magnetically shielded and can be positioned as close to a TV as you wish On it s own it can be used in a two channel stereo system for use in a small room or to provide background music in a kitchen or bedroom Alternatively the Radius 90 can be used as part of a Home Theatre system or multi channel audio set up The Radius 360 or 720 subwoofers can be used with the Radius 90 to provide deep powerful bass Please refer to the section System Wiring Configurations on page 14 Grille Fitment To help the Radius 90 fit into any life style environment we include a choice of silver and black grilles silver and white with white Radius 90 as standard You will find the spare grilles enclosed within the polystyrene packaging end caps If you wish to change the grille colour you can do this by carefully removing the grille using your fingers to gradually pull the existing grille off the cabinet To fit a grille ensure the badge is correctly orientated and gently press the grille into place Technical Specification Power System Frequency Nominal Sensitivity Maximum Handling Full Power j ean Response Impedance 1w 1m SPL Range Handling Aeouieimenis R M S R M S 85 Hz 25 KHz 80 87dB 105dBA 60W 100W 10 100 W Bass Drive Unit Driveunit Exeria Weight Kg Alignment Complement Bass Complement Dimensions each g P Tweeter cm Rear 1 x4 MMP 2 Second 1 x 25mm C ported generation meta
16. ogue formats Monitor Audio s power handling figures are based upon undistorted speech and music signals All Monitor Audio loudspeakers are primarily intended for use in a normal domestic environment Provided you do not overdrive your amplifier or make excessive use of bass or treble boosts you should never damage either the amplifier or loudspeakers High quality components are utilised to produce these loudspeakers ensuring accurate reproduction of the signal fed to them so it is important to appreciate that the ancillary equipment used will profoundly affect performance If distortion is evident when the volume level is increased this is a sign of overdriving and the volume level should be reduced immediately Used properly loudspeakers will rarely fail and if both units reproduce the same fault or distortion then it is likely that the problem is elsewhere in the system In such instances please contact your dealer Guarantee and Service Valid upon completion of the guarantee card and its return within 30 days of purchase This equipment has been fully tested prior to dispatch from the factory Both the craftsmanship and the performance of this product is guaranteed against manufacturing defects for the period of three years one year for Radius 360 720 from the date of purchase see conditions below provided that the product was supplied by an authorised Monitor Audio retailer under the consumer sale agreement The words
17. ps The spare grille with the badge should be used on the bottom bass driver of each cabinet However this is not essential You can change them to the mid bass units if you so wish If you wish to change the grille colour you can do this by carefully removing the grille using your fingers to gradually pull the existing grille off the cabinet To fit a grille ensure the badge is correctly orientated and gently press the grille into place Technical Specification Power System Frequency Nominal Sensitivity Maximum Handling Full Power ee Response Impedance 1w 1m SPL Range Handling Requirements R M S R M S q 50 ee 23 80 89dB 107 5dBA 120W 140W 40 140 W Bass Drive Unit Drive Unit External Weight Kg Alignment Complement Bass Complement Dimensions each 9 p Tweeter cm 92 5 H inc Front 2 x4 MMP 2 Second 1x25mm C Plinth x12 W ported generation metal matrix CAM gold x14D 8 bass reflex polymer dome tweeter Plinth 18 5 x 18 5 Monitor Audio 2005 Rev 2 9 RADIUS 360 amp RADIUS 720 Unpacking amp Installation WARNING The Radius 720 is very heavy and we recommend this being a two AN person lift only Remove the clear plastic bass driver transit protection disk s It is important to position the subwoofer initially to have easy access to the control panel Make sure all your cables will reach easily and leave the Radius 360 720 unplugged from the mains e
18. ration AMPLIFIER Speaker Output This next illustration to the right shows how the high pass filter is used on the Radius 360 720 sub woofer using high level speaker outputs RIGHT LEFT INPUT The illustration to the left shows how the Radius 90 180 225 250 and 270 can be connected direct to your amplifier We do not recommend using the Radius 45 with a normal 2 channel stereo system AMPLIFIER Speaker Output Speaker Output fr Front Speaker Sub Wofer Front Speak utpu Output Phono Output AV RECEIVER PROCESSOR Channel eaker Centre Rear Speaker AMPLIF ER INPUT 20 feeaker our This final configuration to the left shows how the Radius speakers can be used in home cinema Connect the Radius 45 s 90 s 180 s 225 s 250 s or 270 s to your AV receiver processor using the speaker outputs and use the RCA phono sub woofer output on the receiver processor and connect to the right input on the Radius 360 720 sub woofer When connecting your Radius loudspeakers to an AV amplifier please set the Rehfnplifier up so that it Ancillary Equipment All Monitor Audio Radius loudspeakers present an easy efficient load and are compatible with most good quality amplifiers Implementation of the latest design and construction techniques offer equal suitability to the demands of both current and future digital and anal
19. this as this may lead to permanent damage to the product and even the risk of fire 11 Monitor Audio 2005 Rev 2 Radius 360 Technical Specifications Radius 720 Frequency Frequency Bass Drive Unit Response Phase control Control Alignment Complement Bass ao ecole 1x 8 Ultra long 27 Hz 0 180 Variable Reflex With throw sub bass 180 Hz degrees 40 Hz 180 Hz HiVe driver Hand treated Technology paper cone woofer External High Pass Mains Power 4 Dimensions Filter speaker input switch Power Output Weight Kg cm level output able each 36 5 H Inc feet x 22 5 W 100Hz 110 120v 60Hz 100W RMS 13 9 x 34 D Inc 6dB octave 220 240v 50Hz 4 Ohms amp Frequency Frequency Bass Drive Unit Response Fhase contol Control Alignment Complement Bass 40 va Hz Rear Ported 2x 8 Ultra long 25 Hz 0 180 Active 2 order Bass Reflex throw sub bass 180 Hz degrees 12dB Octave With HiVe driver Hand treated two stage filter Technology paper cone woofer External High Pass Mains Power Power Output Dimensions Filter speaker input switch Digital Class D Weight Kg cm level output able Amplifier each 45 5 H Inc feet x 22 5 W 100Hz 110 120v 60Hz 250W RMS 20 1 x 48 D Inc 6dB octave 220 240v 50Hz 4Ohms j amp 12 Monitor Audio 2005 Rev 2 Fine tuning 1 Connect the mains supply and switch on the Radius 360 720
20. us 225 fit into any life style environment we include a choice of silver and black grilles silver and white with white Radius 225 as standard You will find the spare grille enclosed within the polystyrene packaging trays We have also included a spare badge This is for when the Radius 225 is used as a centre channel speaker If you don t like the factory fitted location of the badge you can carefully remove this badge and place the enclosed spare badge in your preferred location If you wish to change the grille colour you can do this by carefully removing the grille using your fingers to gradually ease the existing grille off the cabinet To fit a grille gently press the grille into place Technical Specification Power System Frequency Nominal Sensitivity Maximum Handling Full Power Te anne Response Impedance 1w 1m SPL Range Handling Requirements R M S R M S q ake 80 90dB 108dBA 120W 140W 20 120 W 25 KHz Bass Drive Unit Peele ait i parmal Weight Kg Alignment Complement Bass Hap anan ae one each Tweeter cm Front 2 x 4 MMP 2 Second 1 x 25mm C 61Hx12W ported generation metal matrix CAM gold x105D 4 2 bass reflex polymer dome tweeter j 6 Monitor Audio 2005 Rev 2 RADIUS 250 Positioning The Radius 250 can be positioned vertically portrait or horizontally landscape and has been designed ideally to be used with a large plasma TV or in places where spa
21. ws the internal low pass crossover to be enabled or by passed Under normal operating conditions using a stereo amplifier the switch should be set to crossover This allows the frequency control to be adjusted If an AV amp receiver is being used the switch should be set to LFE This enables the subwoofer s crossover point to be determined by the AV amp receiver NOTE In LFE mode the frequency control will not work 7 RCA Phono Input Connection This method of connection is recommended where a pre amplifier or home theatre processor receiver is to be used 8 RCA Phono Output Connection R720 only The line level output is provided so that other subwoofers can be connected to the system in a daisy chain type connection This may be necessary in very large rooms 9 Amplifier Input This facility provides the Radius 360 720 with connection directly from the amplifier output terminals speaker level 10 Speaker Output This provides output to satellite speakers via a built in high pass filter 11 The Mains Fuse This should be replaced with one of identical specification Note A spare fuse is provided within the fuse holder located in the plastic holder below the IEC mains input socket If a fuse blows more than once it is advisable to have the subwoofer unit checked by an authorised service agent 12 Mains Voltage Selector This is factory set to your countries mains voltage specification Do not attempt to adjust
22. your subwoofer you will see two sets of speaker terminals one labelled amplifier input the other speaker output and RCA phono sockets labelled input right and left Please refer to the section System Wiring Configuration on page 14 If you have a Radius 720 and wish to connect more than one subwoofer you can do this by using the RCA phono output connectors on the amplifier to daisy chain the subwoofers together 10 Monitor Audio 2005 Rev 2 gt A Radius 360 720 Features 1 Power Switch with Auto off Facility The power switch has two positions Off Auto On In the Auto On position the sub woofer unit will remain in standby mode until the unit receives an input signal greater than 4mV If the subwoofer unit does not receive a signal within 15 20 minutes it will switch to standby mode until it receives a further signal 2 Mode Switch R360 only This facility is used to set the desired frequency contour for music or home cinema system 3 Volume This control allows the subwoofer level or loudness to be adjusted in order that you can achieve a totally controlled balanced sound 4 Frequency This feature controls the upper frequency limit of the Radius 360 720 5 Phase The phase control is used to synchronise the output between the Radius 360 720 and main satellite speakers For most applications this should be set to 0 degrees 6 Crossover LFE Switch R720 only This switch allo
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