![]() ![]() First we will show the listening room and the Cogent True-to-Life horn loudspeakersthen close-ups of the various parts that go into making the loudspeaker, some artistic close-ups of the loudspeaker, some pictures of the Cogeht field coil compression drivers and their constituent parts, the demonstration system’s source componentssome historical horn speaker componentsand finally our listening impressions. Jonathan had collected quite a number of these drivers for use in the Da speakers he now offers for sale. The difference is that this was-in the best sense- more indescribable. We heard both CDs and LPs played on this system during our short stay. The Cogent horns use field coil compression drivers patterned after the famous RCA drivers. The Cogent drivers are expensive to manufacture. For a tweeter amp I think that the tube vs. Cogent Field Coil Compression Drivers driver#It is a means by which they can demonstrate the capabilities of their modern compression driver technology. ![]() This photo displays both the low-frequency driver, on top facing 14428 into the lower horn, and the high-frequency driver, on the back of the top horn. We got the impression that they were just tweaking with the tone arm for fun, trying out some ideas.Īfter careful listening to various crossover configurations I concluded that all crossover components have a surprisingly large, detrimental effect on sound. If you are reading this ad be aware that you may NEVER get a chance to buy a pair of Cogent field-coil drivers used again! Crossovers The cogent horns arrived in my listening room with a simple HZ crossover network that had not yet been cpgent. The prototype loudspeaker enclosure itself, one of many Cogent has used over the years, is only a means to and end, and not the end-product 1482. The room is heavily dampened, which seems to improve the ability of the large loudspeakers, horn loudspeakers at that, to work in a room this small. He directed me to Jonathan Weiss of Coegnt Audio. Cogent Field Coil Drivers Downloadīut I thinks she wishes I would stop taking pictures already. Cogent makes a bass driver for use in a bass horn extending down to perhaps 60Hz and a high-frequency driver for use in a midrange horn extending from Hz to above 10kHz. Adding a crossover circuit is only beneficial if it corrects a problem that is greater than the damage caused by the circuit. Note that there is a metal insert that mates the wooden horn throat to the driver opening completely smoothly. ![]() Cogent DS Field Coil Driver and Rosewood Horn | Monitors | Audiogon Having the resonant frequencies so close together created difficulty in the crossover design.Ĭogent has applied for a U. They are gorgeous and cannot be beaten in a midrange horn, by any other material, horn flare, or other technology. These are, according to many horn experts, the best midrange compression drivers ever cogebt by ma Altec Lansing was one of the original designers of horn loudspeakers. Cogent DS-1428 Field Coil Driver and Rosewood Horn Cogent Field Coil Drivers For Sale Uploader:įor the mid-bass in my case Hz tubes do reasonably well, but in my system a good solid state amp was preferred. There is a profile of the Lansing Iconic on the Lansing Heritage web site at: You need lots of control and power. ![]() The high frequency horn is a conical design from The Acoustic Horn company. Altec Lansing was one of the original designers of horn loudspeakers. The radial slits are cut to great accuracy with a wire EDM machine, a.Ĭogent has applied for a U. This phasing plug is from their Cogent DS-1428 midrange / high frequency driver. This section looks at the three primary parts that go into constructing the Cogent True-to-life compression field coil drivers. I have for sale a pair of the fabulous, world-class Cogent DS-1428 field coil compression drivers. A compression driver cylindrical box at rear on a midrange horn speaker used in a home audio system. Cogent Field Coil Horn Speakers You need lots of field coil compression and power. ![]()
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