Snell SR30THX Speaker
Contents
1. surround sound will suit Music recordings with musicians in the side channels will most likely sound best in direct refer to Fig 1B However if the side channels are used to record the performance environment or audience sounds the diffuse mode may be best Similarly with movie soundtracks some producers will use side channels to pan discrete sources off screen e g jet fly bys etc This material will be well served with the direct mode Other movies will use the side channels to transport you to a remote environment with street noises crowd noises etc These may be best reproduced in diffuse mode The surround mode switch is conveniently located under the right side of the grille to allow easy access Swing the right side of the grille outward to reveal the switch It is located midway up the cabinet within the matrix driver recess Refer to the switch diagram on the top right panel of the speaker and the figures to determine the appropriate setting SR30qyx provides a unique experience with its ability to produce multiple polar pat terns You should take some time and experiment to best adapt this surround speaker to your listening habits HOW TO CARE FOR YOUR SR30 SURROUNDS Cabinet Your speaker system has been finished with either a black or white paint Multiple layers of paint along with hand sanding between each coat provide a durable and smooth finish To clean use a soft terry cloth towel slig2. Our unique locking bracket keeps the SR30tyx securely mounted to walls One person can install the SR30qHx simply securely and easily Connectors Five way gold plated binding posts allow quick connection to speaker cables and connections Furthermore removable jumpers accommodate the use of SR30rpx in 7 1 channel applications now or for future system upgrades HOW TO PLACE YOUR SR30 SURROUNDS Theory of Operation Today surround speakers are called upon to do one of two disparate tasks For some movies you may want a surround to create an all enveloping diffuse field Sound should arrive at your two ears by bouncing numerous times off of all your listening room walls Conversely with multichannel music you may want the musical stage to widen beyond the front speakers by having a spread of five near identical speakers over a semicircular arc around you You may want movie effects to pan solidly off the screen and to the sides This demands the side speakers to be well matched to your front speakers both in frequency balance and in their more focused directional characteristics Until now surround sound speaker designers had to choose between satisfying one requirement or the other or perhaps choosing a middle ground compromise The SR30ryx provides a choice of surround sound modes allowing performance to be tailored to program material 4 Placement Although often mistakenly referred to as rear speakers your s
3. ceiling as required by the mounting bracket Please Note Installation of surround speakers requires a thorough under standing of construction tools and procedures We recommend you consult a knowledgeable installer if you are unsure of the physical properties behind your walls Mounting on Drywall Paneling or Other Hollow Surfaces Use the supplied 3 inch 10 machine screws and toggle wings The toggle wings require a 9 16 inch 13mm hole Do not attempt to mount the SR30tHx s to drywall with any of the commonly available plastic anchors push in inserts Mounting on Wood and Other Solid Surfaces Use the supplied 2 inch 8 particleboard screws For best results predrill the hole with a 1 8 inch drillbit Mounting on Masonry Adobe and Similar Surfaces Consult a knowledgeable installer about proper hardware You will obtain best results with 8 screws Mounting the Bracket When Using the Machine Screws and Toggle Wings Drill two 9 16 inch 13mm holes using the included template If running wires behind the wall make a hole for them as well Insert the machine screws through the bracket and thread onto the toggle wings before penetrating the wall Level the bracket and tighten screws Guide the wires through the back Place the SR30tHx on the bracket and slide down until you hear a locking click Connect the wires on A Ww N 0p CONNECTING THE SR30 SURROUNDS For Five Ch
4. Surround Speaker System Owner s Manual SR30rnx LUCAS FILM 3 X N SPECIFICATIONS Frequency Range 6dB 60 20 000Hz Frequency Response 3dB 70 20 000Hz Recommended Amplifier Power 20 150 watt Nominal Impedance 4 ohms Sensitivity 2 83v at 1m 88dB speaker in half space wall mounted High Frequency Drivers hree 1 inch 25mm black anodized aluminum dome tweeters with neodymium magnet structure idrange Frequency Drivers Dual 3 5 89mm extended range units with copolymer cones Bass Unit 6 5 165mm omnidirectional dual voice coil unit with a stamped steel basket an treated paper cone Crossover Frequency 400Hz 3kHz Cabinet Construction High density fiberboard Grilles Cloth covered masonite frames mounted with Velcro fasteners Flush Mounting Bracket Positive click locking mounting bracket for wall Included Hardware Eight 8 3 10 machine screws with toggle wings Eight 8 2 8 particleboard screws Eight 8 felt bumpers Two 2 mounting templates Dimensions HxWxD 16 0 x 16 25 x 8 25 406 4 x 412 8 x 209 6mm Weight each 18 Ibs 8 3kg Finish Hand sanded hand painted Black or White paint Options Surround mode controlled by a 12V DC relay additional charges apply INTRODUCTION A good surround speaker adds realism to today s multichannel audio systems by expanding the stereo spread beyond the front spe
5. akers or by creating an all enveloping sound field but not necessarily both Snell s new SR30rpx surround speaker surpasses previous surround speakers by offering the easily switchable choice between a diffuse field or a direct field response For Use with All Home Theater Formats The SR30qpx s meet the demanding sonic requirements of digital 5 1 7 1 channel formats as well as the demanding specifications of THX Ultra 2 gt The SR30tyx allows you to switch using multiple drivers and a sophisticated acoustical matrixing technique between an outward firing direct sound field balanced to precisely match our Snell front channel speakers or a fore and aft firing diffuse sound field gt The multiple drive units of a single enclosure used to create these effects can be split into forward and backward sections for convenient use with 7 1 channel systems with all four side and rear channels reproduced by a single pair of SR30qyy s p gt A larger than normal woofer assures that the SR30qyx is a full range system to take advantage of the wide range sur round tracks available from discrete multichannel recording formats gt An elegant tapered enclosure packages all of these features in a pleasing on wall cabinet SR30 4x FEATURES 1 Hand tuned crossover 2 Recessed side firing tweeter for best diffuse sound 3 Front firing tweeter for best direct sound mode 4 6 5 165mm dual voice coil bass uni
6. annel Applications including THX systems Select either surround mode with the toggle switch When used with a THX receiver processor please select the DIFFUSE THX ULTRA2 MODE Connect a set of speaker cables to either set of inputs You may want to consider running a second set of speaker cables for each surround if you think you may upgrade to a 7 1 channel system in the near future receiver or amplifier left right surround surround left center right left right surround surround left center right speaker speaker speaker speaker speaker CONNECTING THE SR30 SURROUNDS CONT For Seven Channel Applications Select the diffuse surround mode with the toggle switch Remove the gold jumper bars from the inputs Connect the two sets of speaker cable to the appropriate 7 1 channel inputs receiver or amplifier left center right surround side rear side rear left left right right a ab left right surround surround left center right speaker speaker speaker speaker speaker Optional Relay Control If you have purchased an SR30qyx with relay control or an upgrade kit the speaker s default setting is DIFFUSE THX ULTRA2 MODE 0 Volts When a 12VDC control signal is applied surround mode is switched to DIRECT MODE Two unpolarized cables with 110 terminals are p
7. htly dampened with water or a mild detergent The towel should be just damp enough to wipe the surface clean without leaving a trail of moisture gt Do not use abrasive cleaners or any cleaner containing chemi cals harsher than those found in glass cleaner Grille Cloth pm You can remove the top and front grilles from the speaker system and gently vacuum to remove dust LISTENING LEVELS AND POWER HANDLING The power recommendation for the system assumes you will operate the amplifier in a way that will not produce distortion All speakers can be damaged by a modest amplifier if it is producing distortion If you hear a gritty noise or other signs LIMITED WARRANTY of strain turn down the volume Prolonged or repeated opera tion of your speakers with a distorted signal can cause damage that is not covered by the warranty For five years from the date of purchase Snell Acoustics will repair for the original owner any defect in materials or work manship that occurs in normal use of the SR30qyx s without charge for parts and labor Your responsibilities are to use the product according to the instructions supplied to provide safe and secure transportation to an authorized Snell Acoustics service representative and to present proof of purchase from an authorized Snell dealer in the form of your sales slip when requesting service Excluded from this warranty is damage that results from abuse misuse accidents shippi
8. ng repairs or modifications by anyone other than an authorized Snell Acoustics service representative This warranty is void if the serial number has been removed or defaced This warranty gives you specific legal rights and you may also have other rights that vary from state to state Manufactured under license from Lucasfilm Ltd U S patent number 5 109 416 Foreign patents pending Lucafilm THX and Ultra 2 are trademarks or registered trademarks of Lucasfilm Ltd 2002 Snell Acoustics All Rights Reserved Specifications are subject to change without notice Part 542 1006 1 If Service Seems Necessary Contact the dealer from whom you purchased the speaker systems If that is not possible call us at 978 373 6114 or write to Snell Acoustics 143 Essex Street Haverhill MA 01832 We will promptly advise you of what action to take If it is necessary to return your speaker system to the factory please ship it prepaid After it has been repaired we will return it freight prepaid in the U S or Canada Snell 143 Essex Street Haverhill MA 01832 phone 978 373 6114 fax 978 373 6172 email info snellacoustics com www snellacoustics com
9. rovided at the rear for this purpose Surround Processor Settings When using a subwoofer Select the SMALL or NORMAL surround setting on your receiver or processor This routes all bass information typically below 100Hz from the surrounds to your subwoofer When not using a subwoofer Select the LARGE surround setting on your receiver or processor This routes all bass information to your surrounds Match the Sound Levels of Each Speaker Your home theater system most likely includes a test signal that simplifies level matching Refer to the instructions provided with your surround sound electronics Connecting with Bare Wire Insert bare wire into holes and tighten Connecting with Banana Plugs Spade Lugs or Pins The binding posts accept standard banana plugs and pins and can accommodate spade lugs up to 5 16 inch Warning To prevent electrical shock always switch off the amplifier or receiver when making connections to the speaker system SR30 Operation and Use The diffuse mode is most appropriate when the inability to local ize sound is desirable This should be perceived as a wall of sound Music with side channels encoded with hall effects will produce a feeling of envelopment Surround encoded baseball games will be heard as if the stadium were all around with no clear source of off the field realism enhancing effects Both music and movies will have instances when either direct or diffuse
10. rovides the greatest flexibility for speaker place ment Please use the 7 1 Mode Placement diagram and 7 1 radia tion patterns Fig 1C as guidelines for placing the SR30zqqx S Fig 1C Keep in mind as you move the speaker forward or backward from Switch set to 7 1 Mode Jumpers Removed the seating area you are actually aiming a section or half of the speaker at the listeners and creating a more direct sound field The other section of the speaker will be aimed at the rear or front wall thus creating a diffuse sound field for that channel Coverage Area In larger spaces we recommend using one surround speaker system for every three rows of seats approximately 10 inches between surround speakers Ideal SR307yx Placement for Direct Diffuse Response 7 1 Mode Placement eye EE c Approximate region for Ce 7 1 usage WALL MOUNTING YOUR SR30 SURROUNDS The SR30tHx is mounted via a unique slide on mounting plate The plate is first screwed to the wall at the appropriate position and then the speaker slides down firmly locking in place The plate must be mounted with the long groove toward the wall and the notch at the bottom The enclosed mounting template will guide you in locating the mounting screws In addition it will ensure the minimum clearance to the
11. t 5 Toggle switch for convenient surround mode selection Matrixed midranges for switchable direct diffuse sound Input terminals with removable jumpers for easy 7 1 upgrades Truss bottom panel FEATURES OF THE SR30 4x SURROUND Unique Cabinet Design A sealed enclosure above and a unique matrix array below project sound in three distinct polar patterns The truss panel bottom reduces the detrimental effects of standing waves within the cabinet Speaker Elements Three 1 inch aluminum dome tweeters cover frequencies above 3kHz Two 3 5 inch 89mm extended range drivers are responsible for frequencies between 400Hz and 3kHz One omnidirectional 6 5 inch 135mm dual voice coil bass unit handles all frequencies from 60Hz to 400Hz Family of Sound The SR30qnx s are tuned with a flat optimized power response to match the spectral balance of Snell front speakers The use of common Snell driver units and careful optimization provide a direct mode frequency response that is an excellent match with Snell front speakers Hand Tuned Crossover The filter network is optimized to provide a smooth and flat power response in diffuse mode Each crossover is tuned by our technicians to 0 5dB of the Master Reference assuring pre dictable performance in your home Furthermore a sophisticated switching network enables the SR30qHx to perform in any application Mounts to Walls
12. urround speakers should ideally be placed to the left and right of the listening area In the diffuse mode internal switching converts the radiation pattern of the super surround to a fore and aft radiating dipole see Figure 1A This null will reduce the amount of direct sound at the listener s ears The radiation along the length of the room will maximize the reflected sound heard For this reason the speakers should be placed so that the listener is within the null of the speaker Efforts were made to widen the angle of the response null so that the phasiness of regular dipoles and their critical positioning requirements were reduced Proper room placement is perhaps the most important factor contributing to home theater sound quality Take a few minutes to place your speaker system correctly to ensure that it sounds its best HOW TO PLACE YOUR SR30 SURROUNDS CONT Placement cont Fig 1A Switch set to Diffuse THX Ultra2 Response Listening Room Placement Follow these guidelines for proper placement Refer to Ideal SR30qyx Placement diagram Height A Place the surrounds at least 5 feet 1 5m from the floor yet 12 inches 30cm from the ceiling Higher is better Fig 1B Switch set to Direct Response Placement On the side walls center surrounds to the listening area Boundaries Keep the surrounds at least 12 inches 30cm away from an adjacent wall or a large obstacle 7 1 Mode Placement This option p
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