Js engineering infinite slope speakers for iphone

The factors of safety for the three cases are calculated using the parameters shown in table 1 parameter values used for infinite slope analyses. Mar 26, 2014 steve jobs gave iphone engineers twoweek deadline in 2005 this article is more than 6 years old. Although not truly infinite, at about 100 db per octave the jse crossover slopes contrast sharply with the usual 6, 12, or 18dbperoctave slopes of other speaker systems. Colin is currently a software engineer at joyent, focusing on node. As apple is preparing to ship its brand new iphone, the company continues to ignore one of the biggest hardware defects to ever plague its smartphone line. And, mcintosh went into speakers, have some awesome designs. This was groundbreaking crossover technology using highquality parts there and later and still incorporated in joseph audio speakers, which are wellregarded in the hiend world and carry a. May 01, 2014 infinite slope crossover is a modafferi thing. Speaker building is a rewarding mix of woodworking and. Steve jobs gave iphone engineers twoweek deadline in. You can get visibility into the health and performance of your cisco asa environment in a single dashboard. Jse js engineering infinite slope vintage speakers with subwoofer. There is a really nice set on ebay right now and if i wasent trying to build my own speakers i would love to have them.

A rare and legendary monitor speaker, the jsejohn sollecito engineering model. They have 8 inch woofers, 7 inch midranges, and 2 inch tweeters. Steve jobs gave iphone engineers twoweek deadline in 2005. I just picked up a pair of jse infinite slope speakers they look just like. Aug 08, 2007 the connection is that, to my understanding, jse formerly of manchester, ct, a suburb northeast of hartford, is named for john sollecito engineering. Jse js engineering infinite slope vintage speakers with. Aug 30, 2010 its time for some quirky engineering on your iphone as we round up some of the best engineering applications available for the device. Apr 21, 2016 how to make a wooden speaker for your phone. John solecito js of jse used very high quality drivers dynaudio. Jse infinite slope model 1 loudspeakers an audiophile classic featuring the famous richard modafferi designed infinite slope crossover currently licensed to joseph audio. The woofers needed the foam replaced, which i got on ebay and did them myself. They are about 20 years old now with all original drivers. This engineering calculator practically has no size limits and displays numbers in.

A lot of bizarre math and the values in the crossover are very critical, but the concept is very easy to intuitively understand to anyone who has ever tuned rf stripline filters for bandpass and return loss with a network analyzer. Headphones, earbuds, and speakers compatible with apple ipad air 2, mini, ipad retina, iphone 4, 4s, 5s, 5c, iphone 6, 6 plus and ipod nano, touch. An apple engineer has recounted how jobs drove the design of. Crasher series portable bluetooth speakers jlab audio. Jse infinite slope speakers audiokarma home audio stereo. Jse speakers audiophile speakers, vintage speakers, loudspeaker. Js audio is a shop to be appreciated, never taken for granted. Tas2770 20w digital input mono classd audio amplifier with speaker iv sense. Sep 16, 2016 jason koebler, writing for motherboard. The slope refers to the infinite slope crossover design, one of the patents. His research findings on this theme will lead to more costeffective designs of slopes in mining engineering and embankments for transportation infrastructure. Nov 15, 2010 hey guys, i was very excited to find a pair of excellent condition infinite slope speakers. Just two years after it was released, the touchscreens of thousands upon thousands of iphone 6 pluses ar. These fine 2 12 way speakers feature a slant front cabinet and use the infinite slope crossover which was invented by mcintosh audio engineer richard modafferi, designer of the mcintosh mr 77 and 78 tuners.

Jse infinite slope model 2 audioholics home theater forums. Apple engineer greg christie discusses the process. The infinite slope design was licensed to jse, is now with joseph audio might be in their pulsar. The second will be boxed and packed to ensure no damage during shipping. Im wondering if these are post js engineering infinate slopes, because i know joseph audio bought the infinate slope name sometime around 1990. I already have a pair of model 1 speakers that i had to completely redo.

Your iphone s dinky speaker will suffice for speakerphone calls and listening to podcasts while you cook, but its hardly adequate for properly. Providing a welcome contrast to the mediocre service and products found elsewhere, joe and his knowledgeable staff encourage you to slow down, relax, and savor the extraordinary experiences they are able to provide. An apple engineer has recounted how jobs drove the design of the smartphone, as a fresh trial. All the speaker surrounds are in very good condition. I bought these from the original owner some number of years ago and do not have the original boxes, as they were ruined in my great basement flood 12 inches of water spread across the floor hence the water exposure damage to the speakers when i lived in upstate ny. Speakers, stereo speakers, external speakers logitech. Cabinets are in nice condition with little light scratches or scuffs. You will hear a sweep through the front left speaker, and rew will display its first. Your iphones dinky speaker will suffice for speakerphone calls and listening to podcasts. Play your music wirelessly from up to 30 feet away via bluetooth connectivity. This is a set of 23 x 11 x 12 js engineering infinite slope speakers. Is anyone familiar with the jse infinite slope speaker lineup. Mobile photography talkandroid talkios talkwindows phone talkother mobile os talk.

He holds masters degrees in electrical engineering and computer. As you might infer from its name, the infinite slope crossover has a much steeper slope than a conventional loudspeakers crossover. The woofers used in most of their models were custom manufactured and used foam surrounds that often became brittle over time. Engineers calculator fittingly, we start off with the most basic requirement of an engineer with this handy calculator. Professor jinsong huang staff profile the university of newcastle. A pair of jse model 1 speakers in the seldom seen piano black cabinets. With a fullmetal body and a splashproof design, crasher portable bluetooth speakers bring the soundtrack no matter where your adventure takes you. Jse infinite slope model 1 speakers pick up only for sale. Jse was a previous licensee of the infinite slope technology. I could not find any information about the subwoofer online, but it appears to have been made by jse same wire hookup hardware and finish on bottom even though the finish is different on the top and sides, and there is no infinite slope badge. Comparison with infinite slope geoslope international.

Seismic audio is a leading manufacturer of pro audio and dj speakers used by musicians, bands, djs, clubs, churches, and karaoke. Mar 25, 2014 apple made greg christie, one of its original iphone engineers, available before yet another round of patent fights with samsung, allowing christie to further expand on the stories of the iphone. The most obvious one is suggested by the term infinite slope, which implies the. Aug 28, 2014 so i have seen this on my set up menu and i have read somewhere that the sub slope setting should be 24db now. How to build your own speakers the right way popular mechanics. It will be carefully and prefessional packing by me with styrofoam sheets. Hey guys, i was very excited to find a pair of excellent condition infinite slope speakers. A wide variety of js speakers options are available to you, such as mobile phone, computer, and home theatre. The jse infinite slope model 1 speakers outwardly resemble many other speaker systems but embody two unique design features. Utilizing high resolution digital audio converters dacs ensures the best possible reproduction of todays digital music, converting the music into the analog world without missing a single note.

The jse infinite slope model 1 speakers outwardly resemble many other. Dec 23, 2008 i had a pair of jse 2s for a while in the 80s. Apple is still ignoring one of the biggest iphone engineering. Logitech features everything from highend surroundsound speakers to easy, affordable stereo speakers. Forget those massproduced stereosthe road to topquality sound begins in your own workshop. Infinite speakers keynote speakers, motivational speakers. Js audio video combines the best of analog and digital audio. Our professional agents are the most respected in the industry as they do not sell you but rather, find out your true needs then propose talent. We did not make those speakers and we are not affiliated with js engineering.

John has spent time designing for other brand name manufacturers and in his credentials sits the jse infinite slope, a floor standing speaker which was the first of its kind to utilize ultrahigh order crossover topologies up to 120dboctave. Steve jobs gave iphone engineers twoweek deadline in 2005 this article is more than 6 years old. Speakers with regular crossovers are more likely to exhibit audible discontinuities between drivers because of the much wider span where the two drivers frequency ranges overlap. Js engineering infinite slope floorstanding speakers user. One speaker has a small scrape on the side see pictures one speaker will be shipped in original packaging. A pair of vintage jse infinite slope floor speakers are offered in this lot. As i recall and my memory aint what it was it was the most expensive loudspeaker harvey sound sold at the time but it was only about 2 grand that i recall clearly. The most obvious one is suggested by the term infinite slope, which implies the use of steep crossover filters. The most obvious one is suggested by the term infinite. Apple made greg christie, one of its original iphone engineers, available before yet another round of patent fights with samsung, allowing christie to. With multiple ways to connect, logitech wired and bluetooth speakers are easy to set up and play in your living room, bedroom, kitchen, home office, and more. The speaker cases are made of walnut and they have black mesh grids. Infinite speakers agency is a fullservice bureau specializing in professional speakers and entertainment for any corporate, government, nonprofit or academic organizations events worldwide. Where it says model number it just says infinate slope.