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1. Gloucestershire GL7 1NJ Tel 44 0 1285 654432 Sales 44 0 1285 656890 Technical Fax 44 0 1285 654430 Email info acoustic energy co uk Web www acoustic energy co uk Manual Part No MA23082. need be set Moving the subwoofer closer to a corner however will also tend to reduce the consistency of the subwoofer volume over the listening room a corner location being the worst in this respect Positions closer to the corner will also tend to change the character of the bass produced by the subwoofer it will emphasise the very lowest signals more This change in bass character with location is the variable that enables a good compromise position for the subwoofer to be found Volume Level Setting the subwoofer volume is important in terms of both overall system balance and the demands of different types of programme material You may find that material with an emphasis on music works better with a lower subwoofer volume than movie material with an emphasis on effects Finding a compromise between the two is a matter of subwoofer volume adjustment in parallel with adjusting its position in the room Crossover Frequency As you adjust other parameters you may find that moving the crossover frequency a little from the suggested starting value is beneficial Adjust other aspects of the setup particularly subwoofer location and phase before adjusting the crossover frequency significantly Phase Adjusting the subwoofer Phase should be left until after the Location is chosen and the Volume Level and Crossover Frequency are set Experiment with adjusting the phase if it is proving difficult to get satisfactory results by locati
3. the following paragraphs Use of the controls to setup and adjust the subwoofer is described in the System Setup paragraphs Power The power switch incorporates an automatic switch on off function With the switch set to AUTO the subwoofer will switch on automatically when an audio signal is present It will switch off again when no signal has been present for around 10 minutes With ON selected the subwoofer remains switched on permanently Note There is a short delay between auto switch on and audible sound from the subwoofer Volume Level The level control adjusts the volume of the subwoofer relative to the satellites Begin with the level control set to around 50 Detailed subwoofer adjustment guidelines can be found in the following paragraphs Crossover Frequency The crossover frequency control adjusts the upper frequency at which the subwoofer output is filtered for the full range speakers to take over If the Aegis Neo Subwoofer is to be used exclusively in an audio visual system it should be connected via the AV Subwoofer Line Input on which the Crossover Frequency control is inoperative If the Aegis Neo Subwoofer is to augment the low frequency performance of a pair of full range speakers the crossover frequency should be set to match their low frequency roll off frequency The larger the speaker the lower its low frequency roll off will be Finding the optimal crossover frequency setting will require ex
4. Owners Manual raciance 1 INTRODUCTION Thank you for purchasing this Acoustic Energy product As a valued customer we would like to keep you up to date with all news and events including new products exhibitions and exclusive promotions To enable us to communicate these exciting developments please go to our website www acoustic energy co uk and complete the ownership registration form Perhaps more than any other hi fi product speakers are sensitive to installation so please take a little time to read this manual and to follow as far as practical the installation guidelines it contains Careful installation will help ensure that your Aegis Neo Subwoofer performs optimally Should you have any questions not covered here we are happy to try and answer them either by telephone or email Contact information can be found in Section 10 Important Safety Instructions Ensure that your Aegis Neo Subwoofer is set to the appropriate mains input voltage before it is connected to a mains socket The warranty does not cover damage caused by incorrect mains voltage 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers sto
5. a 13mm spanner leaving one lock nut finger tight to aid adjustment once the subwoofer is upright in its final position Once the final position has been established adjust the length of the loose spike so that the subwoofer is vertical and does not rock If the floor is particularly uneven it may be necessary to loosen one of the tightened spikes to ensure that the subwoofer can be levelled Finally tighten all loose lock nuts It may be necessary to re adjust to minimise rock once the subwoofer has settled on the floor Take care when installing floor spikes They are sharp and can cause injury or pierce electrical cables The Aegis Neo Subwoofer is not magnetically shielded and may cause picture distortion if located too close to a CRT screen Contact your dealer installer or Acoustic Energy for advice 4 POSITIONING The position of the speakers in a home theatre installation will have great influence over its performance It is worth spending some time experimenting both with the finer points of speaker positioning as well as the larger scale issues of room layout Diagram One over the page illustrates an idealised general home theatre speaker layout If you are already familiar with the characteristics of your room and the way speakers perform in it you may already have a good feel for where to position your Aegis Neo Subwoofer However installing any new component provides a good opportunity to review an existing set up an
6. al Output Connections RCA Phono Line Level signal output sockets are fitted to the Aegis Neo Subwoofer They carry an output signal identical to the input signal and may be used to transfer the signal back to a power amplifier or to connect multiple subwoofers Page 2 90Hz 120Hz VOLUME NOTCH LEVEL FREQUENCY MAX 150Hz 105Hz 135Hz oe NOTCH Bes SLOPE 150Hz MIN MAX 135 3dB 9dB NOTCH PHASE LEVEL 12dB AUTO OFF ON POWER oS AV SUBWOOFER LINE IN LINE IN RIGHT es O LINE IN LEFT LINE OUT RIGHT O LINE OUT LEFT No user serviceable porte MAINS j 230 240v 5 VOLTAGE 50 60Hz Pape SELECTOR 115 120V Operate in accordance with Manufacturer s instructions If in doubt refer to qualified service personnel Not suitable for wall mounting POWER INPUT 115 120 230 240V 50 60Hz u FUSE 230 240V T1 6AL 250V 115 120V T3 15AL 250V INPUT POWER 90W Mains Connection After checking that the mains voltage specified on the subwoofer rear panel is set correctly connect the subwoofer via its IEC mains input to a mains wall socket Use only the mains cable supplied with the subwoofer 6 CONTROLS AND SYSTEM SETUP Subwoofer Controls Accompanying the mains and signal input sockets on the subwoofer connection panel are a Power switch a Volume Level control a Crossover Frequency control a Phase control and Notch Frequency Slope and Level controls Their functions are described in
7. ased cleaning agents The packaging should be retained for future use 3 INSTALLATION The Aegis Neo Subwoofer is intended to be used in either stereo audio music systems or multi channel audio visual home theatre systems Although it is intended primarily to partner other products in the Aegis Neo range it may also be used successfully with alternative loudspeakers The Aegis Neo Subwoofer should be fitted with either floor spikes or rubber feet Floor spikes offer the highest potential performance and should be fitted ifthe subwoofer is to be placed on a carpeted floor If spikes are inappropriate for your floor covering metal protection pads coins for example may be used between the spike and the floor Note Damage to the drive unit may result if the Aegis Neo Subwoofer is placed face down on the floor The rubber feet or M8 floor spikes and lock nuts should be fitted to the underside of the subwoofer once it has been moved near its final location Carefully lay the subwoofer on its side to gain access to the tapped holes in the underside If the rubber feet are to be used simply screw them into the tapped holes and return the subwoofer to upright If floor spikes are to be used screw a spike and lock nut into each hole leaving a length of spike extending beyond the lock nut so that when the subwoofer is upright the lock nuts will float just above the floor covering Tighten three of the lock nuts with
8. d perhaps make improvements In principle there is great freedom of position of a sub woofer in a listening room In practice however the performance will be fundamentally influenced by the room and position Small changes of location or of the acoustic character of items in the immediate vicinity of the subwoofer can significantly influence its performance Initially choose a site for the Aegis Neo Subwoofer along one of the walls of the listening room well away but not equidistant from the corners It is not necessary that the subwoofer be positioned along the same wall as the main speakers Chose a solid wall rather than a partition and keep the subwoofer clear of any large resonant objects furniture panels heating radiators etc Don t worry if thanks to the architecture or layout of your room it is not practical to follow these guidelines exactly The most important thing is to experiment with the different options that are practical and find the best one Once your Aegis Neo Subwoofer is working and you begin to become familiar with its performance it is likely to be worthwhile experimenting a little more with its positioning For example moving the Aegis Neo Subwoofer towards a room corner will increase the level of low bass This gain may however be at the expense of bass definition and consistency over the listening area Page 1 Left A Right Front Centre Front Sub woofer Left Surround Surround Viewi
9. d voice coil High power long throw magnet system Low Frequency Cut off 6dB 26Hz Amplifier 200 Watts into 8 Ohms Low Pass Filter Variable 2nd order 45Hz to 150Hz Phase Variable 0 to 180 Notch Filter Variable Frequency 40 to 100Hz Q 1 5 to 5 0 Level OdB to 12dB Dimensions H x W x D 410 x 360 x 325mm Weight 17 0kg single unpacked Acoustic Energy reserves the right to modify product specifications 85 THE AEGIS NEO RANGE The Aegis Neo Subwoofer is part of a range that includes the Aegis Neo One stand mount speaker the Aegis Neo Three floor stand speaker and the Aegis Neo Centre centre channel speaker Aegis Neo One Aegis Neo One is a compact high resolution two way stand mount speaker Aegis Neo Three Aegis Neo Three is 2 5 way floor stand speaker that builds on the performance of the Aegis Neo One with wider bandwidth higher power handling and enhanced detail resolution Aegis Neo Centre Aegis Neo Centre is a 2 5 way centre channel speaker designed to combine with the Aegis Neo One or Three for perfectly matched audio visual systems 9 WARRANTY Your Acoustic Energy speaker is guaranteed against original defects in materials manufacture and workmanship for three years from the date of purchase Under this warranty Acoustic Energy agrees to repair any defect or at the company s discretion replace the faulty component s without charge for parts or labour This wa
10. e shall remain readily operable 17 To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Following this introduction the Manual is divided into sections covering handling installation positioning connecting controls and system setup specifications matching products warranty and contact information We recommend that you read at least the first six of these sections carefully before installing and using your Aegis Neo Subwoofer We would also draw your attention to the Important Safety Instructions on this page Finally please enjoy your Aegis Neo Subwoofer but remember it is capable of generating high volume levels of low frequency sound so please also be considerate of your neighbours 2 HANDLING The Aegis Neo Subwoofer is a relatively delicate precision engineered product that can be damaged by inappropriate handling It is also large and heavy Please take great care therefore when unpacking or moving it Plan any handling in advance of carrying it out ideally with a second person to help Please take care when unpacking or moving the subwoofer not to touch the driver Damage to a driver will at best degrade the Aegis Neo Subwoofer s performance and at worst result in its complete failure The enclosure surfaces should also be handled sympathetically Any cleaning should only require a soft cloth slightly dampened if necessary Do not use any polishes or solvent b
11. ng listening position Right Alternative Alternative or or Extra Left Extra Right Surround Surround 5 CONNECTING The Aegis Neo Subwoofer requires connection both to mains power and an appropriate audio signal The connection sockets are located on the back panel illustrated opposite in Diagram Two Leave the subwoofer switched off at the mains until all connections are made and ensure that the Volume Level control also located on the back panel is turned fully anti clockwise Connecting your Aegis Neo Subwoofer to an audio signal is a simple process however there are some choices to be made concerning connection mode Signal Input Connections Aegis Neo Subwoofer is fitted with an unfiltered mono AV Subwoofer Line Input and a standard stereo pair of filtered Line Inputs The AV Subwoofer Line Input is intended for connection to an audio visual processor LFE low frequency effects output As the LFE output of audio visual processors is already low pass filtered the subwoofer s crossover filter is bypassed by the AV Subwoofer Line Input The Crossover Frequency control has no effect on signals connected to the AV Subwoofer Line Input The stereo Line Inputs are intended for connection to preamplifier or other similar line outputs The left and right inputs are combined to mono within the subwoofer Connect to the input sockets using an appropriate RCA Phono connection cable Ensure that the cable is of good quality Sign
12. on volume and crossover adjustment alone Notch Frequency Notch Slope and Notch Level If while adjusting the subwoofer it becomes apparent that a low frequency room resonance bass boom is dominating the sound of the system the Notch Filter can be used to suppress the resonance First set the Notch Slope to MAX and the Notch Level to 12dB Now adjust the Notch Frequency in steps from 45Hz upwards and listen to the effect on the sound When the Notch Frequency matches the frequency of the room resonance usually between 60Hz and 90Hz in typically dimensioned rooms its effect on the sound will be suppressed When the correct frequency has been identified adjust the Notch Slope and Notch Level to fine tune the sound Aim for a high Notch Slope value and a low Notch Level i e close to OdB value Page 4 Note If the Notch Slope is set too low especially if the Crossover Frequency is set to a low value it will begin to operate more as a second volume control Try to keep the slope set relatively high Note The Notch Filter will have increasingly little effect as its frequency is adjusted above the crossover frequency nominally 80Hz on audio visual LFE signals Once the Notch Filter is set it will probably be worthwhile revisiting and fine tuning the Volume Level Crossover Frequency and Phase settings again 7 SPECIFICATION Type Closed box active subwoofer Drivers 220mm pulp cone with 48mm thermally bonde
13. periment and adjustment but reasonable initial values for different speaker types are as follows Large floor stand speaker Aegis Neo 3 45Hz Medium stand mount loudspeakers 60Hz Small stand mount speakers Aegis Neo 1 80Hz Miniature satellite loudspeakers 100Hz Subwoofer Phase The phase control varies the subwoofer acoustic phase timing with respect to the satellites With the switch set to 0 the subwoofer output is in phase with the full range speakers With the control set to 180 the subwoofer output is out of phase Adjusting the subwoofer phase can help optimise the sound of subwoofer systems Further subwoofer phase advice can be found below Notch Frequency Slope and Level The Notch Frequency Slope and Level controls enable a targeted Notch Filter to be applied to the subwoofer output Such a filter can be useful in reducing the audibility of any listening room resonances The Notch Frequency control sets the centre frequency of the filter the Notch Slope control sets the sharpness of the filter maximum slope equals sharpest filter and the Notch Level control sets the depth of the filter Setting the Notch Level control to OdB switches off the filter System Setup Before listening to your subwoofer and system make one final check of the cables and connections If all appears well begin listening at a relatively low volume to confirm that the system is operating as expected Only increase the volume if you are ha
14. ppy that the sound at low volume is fundamentally as expected If you are unhappy turn the system off and re check all the cables and connections The Aegis Neo Subwoofer may take a little time to reach normal operating temperatures and to run in Your ears too will take some time to adjust to the new sound so it is unwise therefore to make rapid judgements about the performance of the system The most important aspect of the Aegis Neo Subwoofer setup is its integration with the satellite speakers Assuming the locations chosen for these are satisfactory adjusting the subwoofer s location in the room its Volume Level and Phase and if it is used in a conventional stereo system its Crossover Frequency should enable a good result to be achieved Leave the Notch Level control initially at OdB Page 3 6 CONTROLS amp SYSTEM SETUP Select a few short examples of familiar programme material both movie and music to use while adjusting the subwoofer Listen also from a variety of different positions in the room Check for balance and consistency of sound neither too much nor too little bass across the range of programme material and listening positions Experimentation and careful listening is the key to finding a good subwoofer setup Sub woofer Location Broadly speaking the closer a subwoofer is to the corner of the room assuming the walls are solid the more bass it will generate in the room and the lower its volume
15. rranty does not imply any acceptance by Acoustic Energy or its agents for consequential loss or damage and specifically excludes fair wear and tear accident misuse or unauthorised modification This warranty is applicable in the United Kingdom only and does not in any way limit the customer s legal rights If you have reason to claim under the warranty please contact your dealer in the first instance Claims and enquiries under the warranty for Acoustic Energy products purchased outside the UK should be addressed to the local importers or distributors Please retain all original packaging materials for possible future use We suggest that you complete details of purchase now and keep this information in a safe place for future reference Name Address Dealer Purchase Date Serial Number 10 CONTACT Acoustic Energy Limited 16 Bridge Road Cirencester Gloucestershire GL7 1NJ UK Tel 44 0 1285 654432 Sales 44 0 1285 656890 Technical Fax 44 0 1285 654430 Email info acoustic energy co uk Web www acoustic energy co uk Products that display the crossed out wheeled bin logo cannot be disposed of as domestic waste but must be taken to a facility capable of re cycling them and appropriately handling any waste by products Contact your local authority for details of the nearest such facility Page 5 AEGISINIZO SUB WOOFER Acoustic Energy Limited 16 Bridge Road Cirencester
16. ves or other apparatus including amplifiers that produce heat 9 Do not defeat the safety purpose of the grounding type plug A grounding type plug has two blades and a third grounding prong The third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 15 The apparatus shall not be exposed to dripping or splashing and that no objects filled with liquids such as vases shall be placed on the apparatus 16 The MAINS plug is used as the disconnect device the disconnect devic
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