Wisdom Audio SAS Subwoofer, Owner'S Manual

Page 1: ...Owner s Manual Wisdom Audio SAS Subwoofer ...

Page 2: ...2 ...

Page 3: ...e power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the ap paratus 11 Only use attachments accessories specified by the manufacturer 12 Unplug this apparatus during lightning storms or when unused for long peri ods of time 13 Refer all servicing to qualified personnel Servicing is required when the ap paratus has been damage...

Page 4: ...tart With the Room 9 Rigid Walls 9 Speaker Placement 10 Left Right Speakers 10 Center Channel 10 Remote Setup via Modem 10 Surround Speakers 11 Subwoofer Placement 11 Room Treatment 12 Professional Acoustic Design 12 References 13 Connections 14 Setting Up the SAS 15 North American Warranty 16 Five Year Warranty 16 Obtaining Service 17 Specifications 18 SAS Dimensions 19 Notes 20 ...

Page 5: ......

Page 6: ... resulting in articu late bass that integrates seamlessly with high resolution main speakers About this manual This manual focuses on the SAS subwoofer itself While we expect your local Wisdom Audio dealer to take care of the setup and calibration of the system we still recommend that you at least briefly review this and the other Wisdom Audio manuals relevant to your system to understand the syst...

Page 7: ...software in order to fully optimize our enclosures and have developed drivers that are specifically optimized for this application We call our unique implementation of this relatively old idea a Re generative Transmission Line subwoofer or RTL sub for short All dynamic drivers develop energy on both sides of the diaphragm with the rear energy being 180 out of phase with the front energy If you all...

Page 8: ...npacking your SAS to ensure that you do not strain yourself from its perhaps unexpected weight Caution Do not attempt to lift your SAS while bending or twisting from the waist Use your legs for lifting not your back Always stand as straight as possible and keep the SAS close to your body to reduce strain on your back ...

Page 9: ...ar rooms whose dimensions do not share common divisors Thus a room with dimensions of 8 by 16 by 20 would be quite poor since the dimensions are all divisible by a length of 4 and 16 is also a multiple of 8 By contrast a room whose dimensions are 9 by 16 by 29 would be much better since none of the dimensions are mathematically related to one another There are infinite variations on this idea If y...

Page 10: ...ude both placing the speakers at different distances from the side walls vs the wall behind them and placing them at odd fractions of the room s dimensions e g fractions in which the denominator is an odd number like 1 3 2 5 2 7 etc But nothing replaces your experience in your room combined with your dealer s experi ence in a variety of rooms Playing pink noise through the woofer sections of your ...

Page 11: ...and ensures that you hear what was intended from a spatial placement point of view Too often the surround speakers are all behind the listeners cre ating a big hole in the soundfield between the front and the back L R C Sub 1 Sub 2 Ls Rs Rb Lb 22 30 90 110 135 150 0 a 7 2 channel system layout One possible exception to these guidelines if you have a THX certified pro cessor and are using the THX A...

Page 12: ...ions is one of the strongest arguments for the tall line source loud speakers that Wisdom Audio builds This leaves you with eight first reflections that you should consider minimizing somehow These points are easily found by having an assistant slide a small mirror along the four walls of the room while you sit at the listening position Any place on the wall where you can see a re flection of any ...

Page 13: ...g that he she can help you find such a pro fessional References Books on Acoustics The Master Handbook of Acoustics F Alton Everest TAB Books Sound Reproduction The Acoustics and Psychoacoustics of Loudspeakers and Rooms by Dr Floyd Toole Focal Press Suppliers of Acoustic Treatments Acoustic Innovations http www acousticinnovations com Acoustic Sciences Corporation http www acousticsciences com Ec...

Page 14: ... in the re cessed input cup Note that while Wisdom Audio amplifiers are all non inverting some other brands of power amplifiers do invert polarity It is always best to check the polarity of all your speakers with a polarity checker such as can be found in the AudioTools suite from Studio Six Digital or with dedicated hardware such as the Galaxy Cricket Test Set ...

Page 15: ...vent being on the side your dealer can easily swap the grille for the solid aluminum plate that covers that location There is no difference in performance but often a great difference in application flexibility As with most subwoofers the SAS requires equalization for fully optimizing its performance This EQ may be provided by any of the following the Wisdom Audio products SC 1 System Controller i...

Page 16: ... the factory prior to shipping the component The fac tory will pay for return shipping charges only in the event that the loudspeaker is found to be defective as mentioned above There are other stipulations that may apply to shipping charges There is no other express warranty on this loudspeaker Neither this warranty nor any other warranty express or implied including any implied warranties of mer...

Page 17: ...to contact Wisdom Audio for further service information or parts The Wisdom Audio Service Department works closely with your dealer to solve your service needs expediently Important Return authorization must be obtained from Wisdom Audio s Service Department BEFORE a unit is shipped for service It is extremely important that information about a problem be explicit and com plete A specific comprehe...

Page 18: ...ity 90 dB SPL 2 83V 1m Maximum Output at one meter in 1 4 space 115 dB 30 Hz Power Handling Peak 450W Dimensions see dimensional drawing on next page Shipping weight 45 lbs 20 5 kg For more information see your Wisdom Audio dealer or contact Wisdom Audio 1572 College Parkway Suite 164 Carson City NV 89706 www wisdomaudio com information wisdomaudio com Ph 775 887 8850 Fax 775 887 8820 ...

Page 19: ...19 SAS Dimensions 7 000 177 8 mm ...

Page 20: ...20 Notes ...

Page 21: ...21 ...

Page 22: ... All rights reserved Printed in U S A Wisdom Audio 1572 College Parkway Suite 164 Carson City Nevada 89706 USA Telephone 775 887 8850 Fax 775 887 8820 www wisdomaudio com WISDOM and the stylized W are registered trademarks of Wisdom Audio ...