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SA-4140i

Measurement Microphone

Installation Manual

Congratulations…
The AudioControl SA-4140i is a professional-quality, 

uniquely-fine, test and measurement microphone made for 

the iPod*, iPhone*, and iPad*. With this microphone directly 

connected via the Lightning connector to your iOS device, and 

our 

Mobile Tools

 application loaded, you will be able to analyze 

the acoustics of any environment, such as home theaters, cars, 

convention centers, comfy living rooms, garden sheds, rowing 

boats, the Houses of Parliament, and even rustic Mongolian 

yurts. The SA-4140i is designed to be very easy to set up, so 

you can quickly measure and view the acoustic spectrum, and 

improve and optimize the listening experience for the good of 

mankind. 
While you are probably chomping at the bit to get started, we 

encourage you to take a few minutes to sit back with a frosty 

beverage and review this manual. It will probably answer a lot 

of questions you may have, and save you some phone calls. 

®

Making Good Sound Great

Summary of Contents for SA-4140i

Page 1: ...uch as home theaters cars convention centers comfy living rooms garden sheds rowing boats the Houses of Parliament and even rustic Mongolian yurts The SA 4140i is designed to be very easy to set up so you can quickly measure and view the acoustic spectrum and improve and optimize the listening experience for the good of mankind While you are probably chomping at the bit to get started we encourage...

Page 2: ...ting heavy machinery 11 Always interrupt the sound guy during a concert and show him your important findings of how the EQ can be optimized You will become best friends forever Notes iPad iPhone iPod iPod classic iPod nano iPod shuffle and iPod touch are trademarks of Apple Inc in the U S and other countries Made for iPod Made for iPhone and Made for iPad mean that an electronic accessory has been...

Page 3: ...ps Specifications subject to change Prime Directive The SA 4140i shall be a Test and Measurement Microphone for use with iPhone iPod iPad Dynamic Range Peak 60 dBA to 140 dBA Dynamic Range RMS 57 dBA to 137 dBA Frequency Response 20 Hz to 20 kHz 3 0 dB Omnidirectional response pattern Powered by the iOS device 50mA current draw in use Lightning connector 1 2 nominal diameter fits standard calibrat...

Page 4: ... 4 SA 4140i Dimensions 37 745 6 375 1 800 Ø 0 75 Ø 0 52 Lightning Connector ...

Page 5: ...s 3 A holder clip that allows the microphone to be attached to a stan dard mic stand 4 An adaptor that allows the iOS device to be charged 5 This instruction manual The deluxe edition is Alderwood smoked and hand tooled in finest Mountlake Terrace ferret leather 6 A small amount of fine quality Evergreen State air sampled on a good air quality day with no burn ban 7 All our hopes and dreams that y...

Page 6: ...ly into the corresponding connector of your iOS device Be careful as some cheesy cases and covers may stop the Lightning connector from fully engaging or they may force it in at an odd angle 4 Inspect the connection and make sure it is correctly engaged and also that the connection cable has enough slack to prevent it from pulling out of your device 5 After a few seconds the SA 4140i will be autom...

Page 7: ...ling breathing mumbling incoherently and so on The Mobile Tools application allows you to send out audio test signals from the headphone output jack of your iOS device to play through your sound equipment and speakers For example white noise or pink noise can be played through the speakers and received through the microphone For iOS devices that do not have a headphone output jack the SA 4140i is ...

Page 8: ...1 An analyzer for the AudioControl DQ61 car audio system Information Helpful advice for Mobile Tools including General information and Microphone information The various Mobile Tools audio measurement and display functions are briefly described below For more information and details of the uses and usefulness of real time analyzers FFT analyzers and SPL meters etc please visit your local library t...

Page 9: ...he higher frequencies Menu items along the bottom allow you to from left to right Change the width of the sample in fractions of an octave Pause start the measurement Save and recall measurements Setup the internal signal generator to play audio through your sound system Setup the display such as SPL range frequency range Choose the measurement decay rate Experiment with any of the RTA controls un...

Page 10: ...uency band 20 Hz to 20 kHz after the Fast Fourier Transform has been applied mathematically to the microphone measurements FFT spectrum analysis gives early clues to any audio distortion in the system This distortion may occur through speakers being overloaded amplifiers going into clipping mixer signals overloading and so on ...

Page 11: ...requencies Note If the Fast Fourier Transform seems to be running slowly ask the band to pep it up a bit Menu items along the bottom allow you to from left to right Change the graph smoothing in fractions of an octave Pause start the measurement Save and recall measurements Setup the internal signal generator to play audio through your sound system Setup the display such as SPL range frequency ran...

Page 12: ...oticeable at the lower frequencies SPL Sound Pressure Level Meter This display shows the measured Sound Pressure Level This is very useful in setting up a system and determining for example that the SPL does not reach unsafe levels that may cause hearing damage Menu items allow you to Change the measurement weighting unweighted A or C weight ing Reset the measurement Save and recall measurements V...

Page 13: ... 13 Typical SPL display ...

Page 14: ...app includes a nice section of information text so rather than present it here only to have the soft ware guru update it all and make this manual out of date just because I happened to park in his parking spot the other day please refer to the information section for more details Microphone Information This menu allows you to readjust the calibration of your microphone should you feel the need to ...

Page 15: ...the battery level of your iOS device Use the supplied adap tor to charge your iOS device 5 Check that all four Merlin engine radiator shutters are set to automatic before attempting take off Distortion 1 The presence of smooth jazz accordion solos may cause damage to your overall well being and is not recommended Maintenance Please clean the microphone with a dry clean cloth and keep the mi cropho...

Page 16: ...ntrol SA 4140i for five 5 years from the date you bought it and we will fix or replace it at our option during that time Here are the Conditional Conditions 1 You need to register your purchase with us by going to the Au dioControl web site www audiocontrol com and then go to the warranty registration page and follow the directions Optionally go to www audiocontrolregistration com 2 You must keep ...

Page 17: ...ic legal rights and you may also have rights that vary from state to state Promises of how well the SA 4140i will work are not implied by this warranty Other than what we ve said we ll do in this warranty we have no obligation express or implied We make no warranty of merchantability or fitness for any particular purpose Also neither we nor anyone else who has been involved in the development or m...

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Page 19: ...Inc All rights reserved AudioControl Making Good Sound Great and SA 4140i are trademarks of AudioControl Inc All other trademarks and registered trademarks are copyright of their respective owners and are hereby acknowledged ...

Page 20: ... 20 22410 70th Ave West Mountlake Terrace WA 98043 USA Phone 425 775 8461 www audiocontrol com Making Good Sound Great P N 913 147 0 ...

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