Bozak speaker history
In this article, Klepper offers basic design theory for columnar line-source loudspeakers line arrays and relates his own part in the early development and application of this product type, now offered in several forms by a variety of manufacturers and commonly used in both installed and portable applications. Early sound reinforcement systems used efficient horn loudspeakers as soon as they were available, and the directional characteristics of the horns, as well as the relatively high electrical-to-acoustic energy conversion got practical results from the relatively low power of triode output-tube amplifiers giving rarely more than twenty watts while barely fitting in an automobile trunk. With multi-grid output tubes and more powerful amplifiers available after WWII, efforts began to explore providing sufficiently loud amplification and directional control. The idea of a line of loudspeakers concentrating energy in the on-axis direction with in-phase energy addition, while reducing energy elsewhere, because of more random phase of arriving energy, and with power amplifiers powerful enough to adequately power all the direct radiator cone loudspeakers in the column, was a natural development.
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Bozak speaker history
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Saying Goodbye to an American Icon: JBL
ProSoundWeb Community. Please login or register. This is a massive undertaking but perhaps technology is catching up to the task with it's ability organize and cross reference information so this can be saved for posterity. Just looking at your list I learned about connections I was previously unaware of.
I still see a technology or product focus as a more logical organizing theme. Organized by names requires knowing who you are looking for. Of course the data could be indexed any number of ways once in a searchable data base. Now such an index might link to the same people from different directions.
I didn't realize "that" Walsh as in Ohm loudspeaker drivers worked at Bozak earlier. Another probably coincidental connection, Bruce Zayde who designed the time aligned OHM bookshelf speakers also design some bookshelf speakers for Bozak in '80s Audio is a small world indeed. JR And a world with some surprising participants As this segment of actress Hedy Lamarr's Wikipedia biography demonstrates: Avant garde composer George Antheil, a son of German immigrants and neighbor of Lamarr, had experimented with automated control of instruments.
Together, they submitted the idea of a Secret Communication System in June On 11 August , U. Patent 2,, was granted to Antheil and Hedy Kiesler Markey. This early version of frequency hopping used a piano roll to change between 88 frequencies and was intended to make radio-guided torpedoes harder for enemies to detect or jam. The idea was impractical, ahead of its time, and not feasible due to the state of mechanical technology in It was not implemented in the USA until , when it was used by U.
Neither Lamarr nor Antheil who died in made any money from the patent. Perhaps due to this lag in development, the patent was little-known until , when the Electronic Frontier Foundation gave Lamarr an award for this contribution. Patent 2,, and U. Patent 2,, in and Who'd a thunk it watching her in the movies One thing you all can do is write a little bit about the experiences you have had in live sound.
If you write and publish in a magazine or online then you are a quotable reference that I can use. If you write the exact same stuff in a Wikipedia article about, say, David Blackmer, then you are interjecting original research and it won't stick. Please sharpen your pencils and write what you know about. Then get it up and out in public. It's even fair game to scan old product brochures and put them up online.
Blow the dust off your old files and get scanning! Everybody wins if we all start recording our history. Michael 'Bink' Knowles www. Good call. Judging from the pictures and stories he was sharing and sorting through late last year I assume it will have a lot of historical information, not only about himself, but about McCune, Meyer, etc. It was too expensive for consumer use but predated later cheaper systems by several years.
While it may not be clear which category he belongs in, Acoustic, Electronic, Marketing? Bink, On your Ampex list, you forgot Harold Lindsay, founder of modern magnetic recording, Emilar, and general all-around great accoustician.. Nice sounding, though! Regards, Man, you could write down some of your Ampex stories! Flesh out details to include the things you saw. Larry Miller's the guy to contact. Thanks for the name drop!
On my own I don't have much hope of figuring out all the who's whos of sound. Sign me up for a copy. Hopefully Abe will have something on Brian G. Wachner of BGW. He'd be pretty stymied trying to sustain that commitment today. Page created in 0. Audio is a small world indeed. Dave Barnett wrote on Tue, 18 March
Robot or human?
Bozak is another important chapter in Connecticut audio history. The famous manufacturer of legendarily large home hi-fi speakers was based in Connecticut for the entirety of their year heyday. Pennsylvania native Rudy Bozak set up shop in Stamford in , later moving to South Norwalk and Darien, with operations in several other towns. Wikipedia has an excellent and thorough treatment of Bozak, the man, his myriad technical innovations, and the long history of the company. No need to re-tread those waters; I will add this though: growing up in Connecticut, enormous lb Bozak Concert Grand loudspeakers were a memorable site in the homes of some of my friends; a room-dominating testament to the intensity of a largely lost culture of audiophiles. I am guessing what you describe as an amplifier inside is really the crossover unit that directs the correct freq.
Bozak Concert Grand 1968 Speaker Ad, 1 page, Article
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Bozak Dms 3500 Manual
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The History of the Speaker
Matched pair of Bozak BA speakers in raised wood frames. Serial number C and C Overall dimensions: For shipping quote, please contact Box Brothers Sacramento at boxbrosacto gmail. Some surface wear and scratches commensurate with age and use. Right channel has "glass ring" on top.
What's the most difficult sound for speakers to replicate?
Trade offers are carefully considered. Contact us to find out how easy it can be to get a quick, fair, cash price for your gently used gear. Click here to get a quote for your gear now. Logistics is our specialty These are gorgeous speakers that sound as good as they look. The cabinets are in great shape overall with a few visible blemishes.
Rudy Bozak
They look like a gigantic vintage floor standing speaker. And, this model is not as big as the Bozak Concert Grands! I am assuming anyone interested knows the legendary Bozak designs and fabulous speakers; if not, there is plenty of info and history on the internet.
Bozak Urban B-302A Vintage Speakers
ProSoundWeb Community. Please login or register. This is a massive undertaking but perhaps technology is catching up to the task with it's ability organize and cross reference information so this can be saved for posterity. Just looking at your list I learned about connections I was previously unaware of.
Please enable JavaScript on your browser to best view this site. James B. The company was first called Lansing Sound, Inc. Lansing Sound. James Lansing was noted as an innovative engineer, but a poor businessman. For the next three years Lansing struggled to pay invoices and ship product. As a result of deteriorating business conditions and personal issues, he committed suicide on September 4,
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I apologize, but I need more information.
Bravo, the brilliant phrase and it's timely
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