Bms 4550 compression driver for such a seemingly simple pa public address driver, it handled music surprisingly well. The 4554 offers all the benefits of the patented bms compression driver in a 1. With unmatched wireless performance, reception, and security protection, the pwdnd is the best choice for easily adding or upgrading wireless connectivity. Model, 4554, 4555, 4591, 45904590p, 4592nd, 4594nd, 4595nd. I aspect you want to use a tube amplifier of driver gets 0,16 watt maximal to produce 107db 1mtr. Specifications 4555 throat diameter 1,5 38 mm nominal impedance 8 or 16 ohm.
This article was originally published in voice coil, december 2019. Bms 4555 compression drivers download all times are gmt. Bms 4555 1,5 high frequency compression driver, 1,75 vc, 80 w aes, 1 db 8ohm. The bms 4592ndmid 16ohm driver is the best sounding driver we sell for upgraded klipsch khorn and belle speakers. The thing was that i know bms is the only game in town for a coaxial compression driver but the driver in the diesis didnt look like the ones i had seen. Paudio pht406 30w high frequency horn and compression driver. The bms exclusive voice coil technology employs a light weight copper clad aluminium wire wound inside and outside of the kapton former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimising the. Bms midrange compression drivers klipsch upgrades by volti.
The sound quality is at the appointment and even if the power is not huge the output is quite impressive. They have a very clear sound with great definition and detail. Thats because, as i found looking at the bms site, while most of the bms coax compression drivers are with nd magnets, they do have one that has a ferrite magnet 4590. A typical 2 dome compression driver has a limited high frequency response. The 4555 offers all the benefits of the patented bms compression driver in a 1. See inside one of the worlds loudest and clearest speakers and find out why they are. Our cut away reveals how the bms coaxial compression driver works. This is a private listing and your identity will not be disclosed to anyone except the seller. When a horn driver does 115db with 1 watt you probably will never give it 1watt. The bms 4555 1 compression driver is designed for a wide variety of applications including budget projects requiring 1. The bms annular midrange diaphragm covers the frequency range between 400 and 7000 hz with a smooth linear response. I am not a speaker guy this is hardly evident with the low track and hf horn mixed together, but obvious when the hf horn recording is listened to alone as it is in these.
Compression drivers horns neodymium compression drivers cone. Bms 4555 compression driver back to home page return to top. High frequency compression 1 and 2 drivers by eminence, jbl. Bms 4552nd 1 inch high frequency neodymium compression. A 1 compression driver that can play low mate with a 15. The patented design of the bms 4594 is a result of extensive dedicated research and development providing matic improvement in dynamic response, clarity and ansparency. The bms 4555 1,5 compression driver is designed for a wide variety of applications including budget projects requiring 1,5 driver of high sonic quality. Found 99 records in search of high efficiency speaker asylum 1. The bms 4550 1 compression driver is designed for a wide. The patented design of the bms 4592 nd is a result of extensive dedicated research and development providing dramatic improvement in dynamic response, clarity and transparency. Bms 4552nd 1 inch high frequency neodymium compression drive. A typical large diaphragm dome compression driver has a limited high frequency response. I attached the on axis response of the drivers in the cabinet.
Bms 4555 1,5 high frequency compression driver, 1,75 vc, 80 w. Our website uses cookies in order to provide a better online experience, this is essential for use. Nov 06, 20 the sound of bms 4552nd is extremely transparent and detailed, it has an exceptional dynamic range and produces even the most complex music signals with depth and definition. Aug 30, 2014 ive access to bms compression drivers for 50% off the retail price. Multiway conventional loudspeakers with crossovers.
Jun 11, 2018 bms 4555 compression drivers download all times are gmt. Bms 4550 compression drivers for windows the, altec, due to the narrowing of the hf response pattern, squeeze more hf energy into the onaxis region theyre louder at hf on axis, and therefore, will give flatter unequalized response onaxis. Because the low unit will need a lot of power to come to 115db. Above 8 khz the dome diaphragm breaks up causing resonance and harsh metallic sound. With reduced excursion and excellent transient response, bms drivers react extremely quickly to peak level signals and have high crest. Unfortunately we have not been given much room to maneouvre on bms but we are working on trying to improve the situation. High frequency compression driver evaluation sound forums. By improving some basic flaws in driver design, instead of trying to make a better full diaphragm dome, bms improves the performance and reduces the cost of manufacturing. Bms products are used by audio professional, like in the studios, nightclub, but also by the audiofans who particulary like compression drivers patented bms. Elements audio bms 4595mid 1,5 16ohm middle range compression driver 4595mid16 bms 4595mid 1,5 middle range compression driver, 3,5 vc, 150 w aes, 118 db 16 ohm features.
The bms 4555 1 compression driver is designed for a wide. Text ratings for this product are available in another language only so far german 1 french 1. The unique bms annular diaphragm together with the high energy neodymium magnet achieve very high sensitivity and linear frequency response up to 20 khz. The 4555 offers all the benefits of the patented bms compression driver in a 1,5 format, but at much reduced cost. Nov 01, 2018 pwdn4210d driver download from the profile management screen shown in figure, click import. Bms 4555 1,5 high frequency compression driver, 1,75 vc. Bms, as i understand it, are different and have an arc as has been pointed out. The bms exclusive voice coil technology employs a light weight copper clad aluminium wire wound inside and outside of the kapton former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimising the power compression. The bms exclusive voice coil technology employs a light weight copper clad aluminium wire wound inside and outside of the kapton former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimises the power. The bms 5530nd and 5531nd compression drivers both use the companys unique patented design that combines a neodymium magnet assembly, polyester diaphragm, and 44.
High frequency compression 1 and 2 drivers by eminence. Well i bought the bms drivers and finally got around to testing them this weekend. This listing was ended by the seller because the item is no longer available. The bms were much clearer in the 7001200 range than the 10, and were missing the gack or overring that the jbl compression drivers have. Coax 4592nd is a giant stride and a real point source but there is a problem. Take a look at our returning an item help page for more details. Ill use them on a khorn or ls i still havent made up my mind on the o. High frequency compression driver evaluation diyaudio since you are a busy professional, ill cut to the chase and give you the results of what consumed 50. Bms 4591c 2 8ohm middle range compression driver bms. We stock a wide range of high frequency drivers by eminence, bms and. Diesis audio roma uses a bms coaxial driver whats best. The sound of bms 4552nd is extremely transparent and detailed, it has an exceptional dynamic range and produces even the most complex music signals with depth and definition. Above you can see the magnet and below the diaphragm. Over 8 khz the dome diaphragm breaks up causing resonance and harsh, metallic sound.
The unique voice coil technology employs a light weight copper clad aluminium wire wound inside and outside of the kapton former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimises the. Bms 4595mid 1,5 16ohm middle range compression driver. Bms precision drivers are used in professional speakers, cinema sound systems, stage. They extend down to 300hz, and cover up to 6500hz cleanly. The diaphragms are small and are made with polyester, not special expensive metals. The bms exclusive voice coil technology employs a light weight copper clad aluminium wire wound inside and outside of the kapton former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimising the power. The sound from the combination of the bms drivers and the volti horns is effortless, relaxed, and natural. Bms drivers require much less energy than conventional diaphragms, allowing a much higher spl, less dynamic compression, an increase in transient response, and lower harmonic distortion than traditional designs. Bms speakers introduces new coaxial drivers and next.
The bms 4552nd is a powerful 1 professional compression driver that delivers superb sonic quality in a small package. The bms exclusive voice coil technology employs a light weight copper clad aluminium wire wound inside and outside of the kapton former to improve the heat dissipation, dramatically increasing the acoustic output and reliability of the driver while minimises the power compression. Bms designs and manufactures oem compression drivers for many well known. Patrick, your link to cdx11425 makes it look like a 1. The major part of bms speakers and compression are produced in germany with the aim of obtain the best results possible. The diaphragm is the clear plastic ring to which the voice coil. Text ratings for this product are available in another language only so far german 1. Bms 4550 compression driver stiefe lauslauf drivers. Vintage altec 414z woofer with bms 4555 reentrant ring radiating compression driver on jbl 1.
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