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Supplier: TMP Pro Distribution
Description: enclosure is optimized to deliver useable low-frequency extension below 70 Hz. The high frequency device is a co-axial, post mounted 0.75" dome tweeter with a titanium diaphragm and a cloth surround. The coaxial post is mounted slightly off center in relation to the low-frequency driver in
- Speaker Size: 4 inch
- Application: Music / Audio Systems
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Supplier: Visual Sound, Inc.
Description: acoustical power up to much higher frequencies than afforded by earlier designs. The diaphragm design includes JBL's exclusive three-dimensional diamond pattern surround which reduces membrane stresses in the diaphragm support structure and extends diaphragm life. The depth of
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Supplier: Visual Sound, Inc.
Description: acoustical power up to much higher frequencies than afforded by earlier designs. The diaphragm design includes JBL's exclusive three-dimensional diamond pattern surround which reduces membrane stresses in the diaphragm support structure and extends diaphragm life. The depth of
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Supplier: Visual Sound, Inc.
Description: and support structure. This provides predictable normal resonance modes, and radial reinforcing ribs increase diaphragm stiffness. This diaphragm design combined with the Coherent Wave™ phasing plug increases the 2447's output in the 5kHz to 20 kHz range. 100 watts continuous program
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Supplier: Visual Sound, Inc.
Description: and support structure. This provides predictable normal resonance modes, and radial reinforcing ribs increase diaphragm stiffness. This diaphragm design combined with the Coherent Wave™ phasing plug increases the 2447's output in the 5kHz to 20 kHz range. 100 watts continuous program
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Effects of an elastic mass on frequency response characteristics of an ultra-thin piezoelectric micro-acoustic actuator
In contrast, the acoustic diaphragms of piezoelectric ceramic speakers vibrate with many resonant modes, which lead to acoustic peaks and dips in their irregular jagged frequency response charac- teristics.
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Improvement of low-frequency characteristics of piezoelectric speakers based on acoustic diaphragms
In this paper, the fabricated piezoelectric ceramic speakers comprise an acoustic diaphragm fixed to a rigid frame and a lead zir- conate titanate (pZT) ceramic membrane bonded on the acoustic diaphragm.
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Design of a Piezoelectric Speaker Driver Based on Fuzzy Theory and Taguchi Method
Commercially available ceramic piezoelectric speakers have a diaphragm resonance of around 1 kHz.
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Low-frequency reinforced ferroelectric acoustic actuators
Compared to a commercial piezoelectric ceramic speaker with a resin single layer diaphragm , the acoustic actuators fabricated with a rubber/resin bi-layer diaphragm have at least 10 dB higher sound pressure at a low frequency range of less than 1 kHz.
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Improvement of low-frequency characteristics of piezoelectric speakers based on acoustic diaphragms.
Compared with a commercial piezoelectric speaker, the fabricated piezoelectric ceramic speaker with the rubber/resin bi-layer diaphragm has at least 10 dB higher sound pressures in the low-frequency range of less than 1 kHz.
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Manual of the audio technique
The designation cone loudspeaker relates to the form of the membrane that is manufactured of paper, aluminum, plastics, ceramics or of specific composite materials.
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Audio-Frequency Characteristics of a Piezoelectric Speaker Using an AlN Film Deposited on a Polymer or Metal Membrane
The nonsym- metric piezoelectric bimorph which consists of a metal diaphragm and a thin PZT ceramic plate is widely used as a buzzar, tweeter and speech synthe- sizer speaker .
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Technical acoustics
… ohmic resistance 282 ff 503 artificial to ear sacrifice layer technology 371 ff optical measurement sonic field festivals mediums 530 optical sound pressure-measurement 519 optical sound pressure measurement reconstruction method 522 optical microphones 367 ff of oxide-nitride- membrane 371, 376 parabolic hopper 422 of the parabolic reflectors 388 parametric loudspeakers 584, 667 Particle image Velocimetry (PIV) 707 Pegel mass 7, 9 level difference … … piezooptische constant 478, 518 piezovibrators 318 piezotransducers impulse response 324 Piezowerkstoff of 319 ceramic polymeric 319 Pistofon calibration …
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Infotainmentsysteme in the motor vehicle
On a membrane of coated paper, Kunststoff, tissue (e.g., KevlarR), polycarbonate, metal or ceramics [Bau01] a coil is fixed that immerses in a concentric permanent magnet. The loudspeaker membranes become for improvement of the stiffness as Konusmembran21 or but .
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Piezoelectric MEMS for audio signal transduction, microfluidic management, resonant mass sensing, and movable surface micromachined structures
… with a piezoelectric microspeaker built on a 5 x 5 mm2 silicon nitride diaphragm (1 µm thick … As can be seen in Fig. 2, the microspeaker produces comparable sound pressure as the bulky commercial piezo ceramic speaker in the frequency range between 0.4 and 1.5 kHz.