Thats when i discovered the nonstandard boltcircle measurement. The two diaphragms have the same radiating area of a single diaphragm 3 compression driver but have a much lower masstomotor force ratio. The midrange diaphragm feeds in from around the phase plugs peripheral. A theory of dual compression drivers was described earlier and the design was implemented in several jbl professional loudspeakers. The higher notes are handled by a proprietary 3 dualdiaphragm, dualvoicecoil compression driver jbl model d2430k attached to jbls high definition imaging hdi waveguide horn. This is similar to the concept jbl used in its d2 compression driver for the vtx. It uses dual 3 voice coils, with dual gaps, mated with a neodymium magnet system to help reduce distortion and overall mass while increasing efficiency. Each driver is in fact a 2way coaxial system employing two concentric annular ring diaphragms. The d2430k is a dual diaphragm, dual voice coil compression driver that employs two annular ringshaped diaphragms and two voice coils to deliver extended high frequency response to 40khz with extremely low distortion even at high volume levels. Jbl m2 master reference monitor buy at westlake pro. The d2430k dualdiaphragm, dualvoicecoil compression driver, employs two annular ringshaped diaphragms and two voice coils to deliver extended high frequency response to 40khz with extremely low distortion even at high volume levels. The vtx f12 is a twoway loudspeaker enclosure that features a highpower differential drive 2262h 12 woofer and a d2430k dualdiaphragm dual voice coil compression driver.
It utilises jbls patented d2 compression driver technology featuring the d2430k dualdiaphragmdual voicecoil driver, which employs two annular ringshaped diaphragms and two voice coils. For screen reader problems with this website, please call5124544534 5 1 2 4 5 4 4 5 3 4 standard carrier rates apply to texts. The patented design of the bms 4599nd is a result of extensive dedicated research and development, providing dramatic improvement in efficiency, power handling, dynamic response and clarity. D2430k dualdiaphragm dual voicecoil compression driver highfrequency transducer. My plan is to put together a 3way system, with tad tl1801s or jbl 2245s have both in cabs up to 100 hz, acoustic elegance td12m on order up to. The d2 driver operates into jbls newly developed highdefinition imaging waveguide. The jbl driver is actually very similar to some parts of the bms patent 2 voice coils per d2430k. Harmons audio visual fort myers, florida powered speaker rentals dj concert meetings events. Cuttingedge, jbl designed and built dual diaphragm, dual voice coil hf compression driver for critical reference monitoring, extended hf reproduction to 40khz, smooth response, high power handling, measurably lower distortion, reduced power compression and increased dynamic headroom. Further to this the bms design simplfies the phase plug design. This twoway gem uses almost the exact same 15inch woofer with patented differential drive threeinch dual voice coil and neodymium motor structure and the very same patented d2430k threeinch dualdiaphragm compression driver for the uppermid and high frequencies as m2. Nov 15, 2016 jbl 4429 the considerably smaller jbl 4429 system is a wholly updated version of the companys 4425 studio monitor, introduced in 1985. The d2 dual diaphragm dual voice coil compression driver overcomes the limitations of conventional compression driver technology. The reason it is designed this way is to optimize the two diaphragms to allow the 3 driver to produce more high frequency output than a typical 3 compression driver.
The dual asymmetric compression driver includes a first driver assembly and a second driver assembly. Karmaav adds new jbl monitors to synthesis range hifi pig. Us8280091b2 dual compression drivers and phasing plugs. Jbl synthesis 4367 showroom demo pristine fullrange. Jbl d2415k d2 dual diaphragm dual voice coil compression.
The bms 4507nd is a unique transducer that uses a neodymium coaxial compression driver to drive a planar waveguide intended for use in line arrays. D2430k d2 dual driver dualdiaphragm, dualvoicecoil compression driver 2216nd 15 differential drive woofer crown itech 5000hd amplification included linear spatial reference lsr design elegant, smallfootprint cabinet thats equally at home floorstanding or soffitmounted. Merging two compression drivers into a single, compact transducer with a single acoustical output, the d2 dual driver. Lansing, the company has been about using highquality materials to deliver highquality performance, says director of jbl technology mark gander, who joined jbl in 1976 as a transducer engineer so that he could apprentice with the masters. Uppermid and high frequencies are reproduced by a patented d2430k 3inch dual diaphragm, dual voice coil compression driver with dual neodymium motor structures and jbls patented highdefinition imaging hdi waveguide horn. The d2 dual diaphragm dual voice coil compression driver overcomes several. Ds18 prodr250 compression driver 2, 300w max, 200w rms, 8 ohms, 2 dual layer kapton voice coil, phenolic diaphragm engineered and designed in the us, the ds18 compression drivers with aluminum horns are the top of the line high frequency driver tweeterhorns in the market. Uppermid and high frequencies are reproduced by a patented d2430k 3inch dual diaphragm, dual voice coil compression driver with dual neodymium motor structures and jbls patented. Thanks for looking and feel free to email with questions.
In at least one embodiment, a dual asymmetric compression driver is provided. It creates that sound using the d2430k dualdiaphragm, dualvoicecoil compression driver, which uses two annular ringshaped diaphragms and two. We may integrate the technologies and elements in a. Jbl synthesis m2 master reference floorstanding loudspeaker. Pair of used jbl d2415k d2 dual diaphragm dual voice coil. The d2 dual diaphragm dual voice coil compression driver is designed to overcome the limitations of conventional compression driver technology. New jbl 4367 speaker brings professionalgrade audio.
The revolutionary d2 dual driver dramatically improves the sound and. Premiumquality network components and dual binding post inputs ensure audiophile performance in any application. They have separate connections but there are not 2 separate drivers each with 2 voice coils. System type 2way premium multipurpose loudspeaker with 15 differential drive woofer and d2 dual driver components 1 x 2265h 15 diameter dual 3 in voice coil, neodymium differential drive, direct cooled transducer 1 x d2430k d2 dual diaphragm dual voice coil compression driver coverage pattern 90 x 50 degrees.
Pair of used jbl d2415k d2 dual diaphragm dual voice coil compression driver. Lsr linear spatial reference design for smooth neutral mix. This type of driver consists of two motors and two annular diaphragms connected through similar phasing plugs to the common acoustical load. The driver s body contains two separate subsystems with each one driven by a separate motor structure, magnet, and voice coil. Ds18 prodr200 compression driver 2, 300w max, 100w rms, 8 ohms, 2 dual layer kapton voice coil, aluminum diaphragm engineered and designed in the us, the ds18 compression drivers with aluminum horns are the top of the line high frequency driver tweeterhorns in the market. Merging two compression drivers into a single transducer with a single acoustical output, the d2 dual.
Ds18 prodr250 300 watts phenolic diaphragm driver unit. Dual voice coil dvc wiring tutorial with multidriver sub systems, which often feature dual voice coils dvc on each driver, the level of wiring complexity can be enough to turnoff even the most adventurous of car audio doityourselfers. China compression driver, compression driver wholesale. Apr 08, 2020 uppermid and high frequencies are reproduced by a patented d2430k 3inch dual diaphragm, dual voice coil compression driver with dual neodymium motor structures and jbls patented highdefinition imaging hdi waveguide horn. Jbl pd7164 speaker system w 6x jbl 2217 hpl woofer drivers. High frequency compression 1 and 2 drivers by eminence. The dual compression driver principles of operation and methods of analysis figure 5. The focal point of our 390series of highfr equency drivers is the diaphragm voice coil assembly, the design of which is critical to accurate sound reproduction. Uppermid and high frequencies are reproduced by a patented d2430k 3inch dual diaphragm, dual voice coil compression driver with dual neodymium motor. Hear it on the bigs with jbls m2 master reference monitor system.
All of this was designed to offer a high performance. The d2430k also now lets the 4367 produce high and ultrahighfrequencies from a single coincident source, improving the imaging. The d2430k is a dualdiaphragm, dualvoicecoil compression driver that employs two annular ringshaped diaphragms and two voice coils to deliver extended high frequency response to 40khz with extremely low distortion even at high volume levels. Bms 4507nd dual diaphragm coaxial planar wave driver january 16 2019, 14. Exploded view of the jbl dual driver d2430k based on 3 voice coil and having 1. The primary design features that improve high frequency reproduction are 1 lower diaphragm mass, 2higher frequencies are only radiated near the voice coil and a ring radiator uses the output from both sides of the voice coil where a dome style driver only one side.
D2 dual diaphragm dual voice coil compression driver. I bought a pair of d2430k with the intention of trying them on the three different 1. The revolutionary d2 dual driver dramatically improves the sound and performance of high frequencies, providing an extreme output advantage over conventional systems with significantly higher array power, reduced distortion, double the number of voice coils and more than double the power handling. Vtx f15 twoway 15 loudspeaker system with d2 driver the vtx f15 is a twoway loudspeaker enclosure that features a highpower differential drive 2265h 15 woofer and a d2430k dualdiaphragm dual voice coil compression driver. The patented design of the bms 4599nd is a result of extensive dedicated research and development, providing dramatic improvement in efficiency, power handling. Each diaphragm covers a smaller frequency range for increased power handling, high dynamic and extremely low distortion. The tweeter diaphragm is located at the phase plugs base. Jbl pro intros vtx line array series, d2 dual driver. The 4425 was the first jbl design to combine a compressiondriver and biradial horn with a largeformat woofer for true studio performance in a transportable size. D2 dual diaphragm, dual 76mm 3 in diameter voice coil. The d2 dual diaphragm dual voice coil compression driver addresses the limitations of conventional compression driver technology limited high frequency extension due to mass of the diaphragm and voice coil, and distortion characteristics that arise due to dome breakup modes. Bms speakers patented the twoway compression driver technology in 1997. Small footprint, extended bass performance, patented low frequency port design.
The bms 4599nd dual diaphragm driver incorporates two identical 3. It features the companys patented d2 compression driver technology, the d2430k dualdiaphragm, dualvoicecoil compression driver, employs two annular ringshaped diaphragms and two voice coils to deliver extended high frequency response to 40khz with extremely low distortion even at high volume levels. Jbl unveils revolutionary d2 high frequency dual driver. The d2 dual diaphragm dual voice coil driver from the very founding, with james b.
These drivers are used and might show some minimum scratches but they are in good working condition and guaranteed to meet or exceed factory specification. Nov 14, 2016 the jbl 4429 system is an updated version of the companys 4425 studio monitor, introduced in 1985. Up for sale one 1 of used jbl professional model d2415k d2 dual diaphragm dual voice coil compression driver, used in jbl vtxv20. Two large annular diaphragms cover the frequency range 200 hz to 9000 hz with a smooth, linear response. China compression driver manufacturers wholesale 2020 high quality compression driver products in best price from certified chinese display driver wholesalers, driver sound manufacturers, suppliers and factory on. D2 dual diaphragm dual voice coil compression driver the ultimate high frequency driver for critical reference monitoring, extended hf. Jbl 5061586x d2430h high frequency compression driver.
Dual diaphragm dual voice coil compression driver the revolutionary d2 dual driver dramatically improves the sound and performance of high frequencies, providing an extreme output advantage over conventional systems with significantly higher array power, reduced distortion, double the number of voice coils and more than double the power handling. All of this was designed to offer a high performance audio experience. Compression driver discussion page 3 diymobileaudio. Each corresponding entrance, channel and exit establish an acoustical path from the input side to the output. In fact the double voice coil diaphragm assembly provides 6 db higher maximal spl compared to an equal single voice coil driver. Dual voice coil dvc wiring tutorial jl audio help center. The bms 4507nd dual diaphragm coaxial planar wave driver radiates a coherent planar wave front form a rectangular piston without internal diffraction for superior dispersion control and high fidelity sound. This driver is used in the jbl vtxv25 line array series. D2430k dual diaphragm dual voice coil compression driver. Oct 30, 2015 the jbl 4367 features the companys patented d2 compression driver technology, the d2430k dualdiaphragm, dualvoicecoil compression driver, employs two annular ringshaped diaphragms and two. The first driver assembly is positioned about a central axis and includes a first annular diaphragm having a first planar section extending at a first clamping distance. In the jbl 4367 studio monitor press release, jbl comments. The new concept is based as well on two motors and acoustically similar phasing plugs but the diaphragms are mechanically. This auction is for a used new generation of jbl d2430k d2 dual diaphragm dual driver 1.