Products & Services
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Supplier: TelephoneStuff.com
Description: Speakerphone used with Universal Door Phone Controller. Door Phone Features: - 70 Volt - Push button activation - Stainless steel faceplate and tamper-proof screws - Weather-resistant enclosure for indoor/outdoor use - Mounts to virtually any surface - Used with Universal Door Phone Controller
- Application: Telephone / Voice Communication
- Features: Weatherproof / Outdoor Rated
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Supplier: TelephoneStuff.com
Description: Desktop Voice Coil Speaker is a desk top or wall mount speaker for off-hook, handsfree voice announce. Features: - Excellent private office intercom - Covers 250 square feet - Can be wall-mounted - Works with PagePac 6 and PagePac 6 Plus - Talkback application with
- Application: Security / Paging
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Supplier: TelephoneStuff.com
Description: Recessed Round Voice Coil Speaker. Flush mount ceiling speaker with round grille for background music and voice announcements. Features: - Installs in drop tile ceilings - White enamel finish grille - Support bridge and mounting hardware included - Works with
- Application: Security / Paging
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Supplier: Visual Sound, Inc.
Description: OWI, Inc. • Impedance: 8 Ohms. • 6.5" Dual Voice Coil w/ Twin Tweeters. • 60 Watts maximum power and 30 Watts minimum power. • 6.5" Poly carbonate rubber surround woofer, twin hard dome tweeter. • Kwik KlampsTM for fast and easy installation. • Indoor. • Paintable. • Aluminum grill
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Supplier: TelephoneStuff.com
Description: Wall or ceiling mount corridor speaker with volume control in black cabinet with black cloth grille. Features: - Capable of uni-directional or bi-directional audio dispersion - Wall or ceiling mount (mounting hardware included) - Black cabinet with black cloth grille - Volume control
- Application: Security / Paging
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Supplier: Visual Sound, Inc.
Description: : 250 mm (10 in) dualvoice coil transducer Stereo inputs with high-pass outputs for satellite speakers Slot-load vented bandpass design Complements full-range Control Contractor Series systems High Sensitivity: 100 dB, 1 W, 1 m
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Supplier: VAST STOCK CO., LIMITED
Description: Speakers & Transducers CD-Horn, square 25mm voice coil
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Supplier: Visual Sound, Inc.
Description: Martin Audio Limited The AQ215 is a dual driver, direct radiating sub-bass in a heavily braced vented enclosure. It features two very efficient 15 inch (380mm) long-throw bass drivers with high power 4 inch (100mm) voice coils and generously sized low frequency ports for low noise,
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Supplier: Visual Sound, Inc.
Description: Martin Audio Limited The AQ212 is a dual driver, direct radiating sub-bass in a heavily braced vented enclosure. It features two very efficient 12 inch (300mm) long-throw bass drivers with high power 3 inch (75mm) voice coils and generously sized low frequency ports for low noise, high
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Supplier: MISCO
Description: Key Features: 12" (304 Mm), 8 Ohm Guitar Speaker 1" Voice Coil On Nomex Form, 40 Watts 12 Oz Ferrite Magnet, Paper Cone Ro Hs Compliant;
- Frequency Response: 50 to 8000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 40 watts
- Sensitivity: 95 dB
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Supplier: Boston Acoustics, Inc.
Description: Dual voice coil 6½" copolymer woofer with butyl rubber surround Dual 1" Kortec® dome tweeters Inputs for both left and right channels Plays stereo signal from a single location Enclosures, grilles, hardware, cones, surrounds, and gaskets stand up to weather and
- Frequency Response: 65 to 20000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 15 to 100 watts
- Sensitivity: 89 dB
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Supplier: PUI - Projections Unlimited, Inc.
Description: -energy neodymium magnet completely saturates the underhung voice coil for superior transient response Huge 20 mm voice coil and dual surrounds for high power handling
- Application: Consumer Electronics / Gaming
- Frequency Response: 130 to 20000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 5 watts
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Supplier: VAST STOCK CO., LIMITED
Description: Speakers & Transducers 25 cm (10") high-end woofer, extra-wide elastic surround, the long voice coil, 200-300W, fu 3000 Hz, 8 Ohm, 33Hz
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Supplier: VAST STOCK CO., LIMITED
Description: Speakers & Transducers 25 cm (10") Bass Midrange, Die Cast, 65mm voice coil, 300-450W, fu 4200 Hz, 8 Ohm, 52Hz
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Supplier: VAST STOCK CO., LIMITED
Description: Speakers & Transducers 20 mm (0.8") polycarbonate HiFi driver, round front plate, ferrofluid-cooled voice-coil, 70-50W, 1200 22000 Hz, 4 Ohm, 1900Hz
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Supplier: MISCO
Description: Key Features: 4" (100mm), Dual 8 Ohm Voice Coil Voice Range, 12 Watts Neodymium Magnet, Flame Retardant Paper Cone And Cap
- Frequency Response: 200 to 8000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 12 watts
- Sensitivity: 86 dB
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Supplier: Boston Acoustics, Inc.
Description: High-output L/C/R and surround speaker can handle up to 400 watts Dual 8" cast Neo magnet woofers with 1-1/2" voice coil 4-1/2" Neo magnet midrange with 1-1/2" voice coil 1" VRH.O.? aluminum dome tweeter with AMD? M/T baffle rotates to maintain sonic alignment of
- Frequency Response: 60 to 22000 Hz
- Impedance: 6 ohms
- Sensitivity: 93 dB
- Speaker Size: 14.25 inch
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Supplier: PUI - Projections Unlimited, Inc.
Description: The eight ohm, 53 mm square frame AS05308AS-R features a rubber surround, for water and dust resistance, and a vented voice coil former for improved voice coil cooling.
- Application: Consumer Electronics / Gaming
- Frequency Response: 100 to 40000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 10 watts
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Supplier: TMP Pro Distribution
Description: The 920-8B loudspeaker system is a two-way loudspeaker with a 12" (30.5 cm), low-frequency cone and coaxially mounted, high-temperature voice-coil assembly with a wide-dispersion dome radiator tweeter. Chassis Size: 304.8 mm (12") Input Connections: Screw Terminal Frequency Response (-10 dB):
- Application: Music / Audio Systems
- Speaker Size: 12 inch
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Supplier: Boston Acoustics, Inc.
Description: 5¼" copolymer cone woofer with butyl rubber surround 1½" woofer voice coil ¾" Type-S2 Kortec dome tweeter Neodymium magnets for both woofer and tweeter
- Application: Automotive
- Frequency Response: 60 to 20000 Hz
- Impedance: 4 ohms
- Nominal Input Power: 50 to 150 watts
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Supplier: MISCO
Description: Key Features: 6.5" (165 Mm), 8 Ohm Full Range, 15 Watt Neodymium Magnet, Paper Cone With Pre Treated Black Cloth Surround Ferrofluid Cooled And Vented Voice Coil
- Frequency Response: 60 to 5000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 15 watts
- Sensitivity: 92 dB
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Supplier: Boston Acoustics, Inc.
Description: 5 x 7" copolymer cone woofer with butyl rubber surround 1½" woofer voice coil ¾" Type-S2 Kortec dome tweeter Neodymium magnets for both woofer and tweeter
- Application: Automotive
- Frequency Response: 50 to 20000 Hz
- Impedance: 4 ohms
- Nominal Input Power: 50 to 150 watts
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Supplier: MISCO
Description: Key Features: 12" (304mm), Cast Aluminum Woofer: 8 Ohm, 175 Watts 2.5" Edge Wound Voice Coil, Paper Cone With Accordion Cloth Surround Ro Hs Compliant
- Frequency Response: 30 to 1000 Hz
- Impedance: 8 ohms
- Nominal Input Power: 175 watts
- Sensitivity: 96 dB
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Supplier: TMP Pro Distribution
Description: Frequency Response [+/- 3dB]: 58 - 19.000 Hz Max SPL: 129 dB HF: 1 " Voice Coil HF: 1.4 " Type HF: Compression driver Directivity: 80/65 x 60 ° Horn: Asymmetrical CD Horn LF: 15 " Voice Coil LF: 2 " HF Amp: 100 W/RMS LF Amp: 300 W/RMS Signal Input: 1x XLR, 1x 6.3mm phone
- Application: Music / Audio Systems
- Frequency Response: 49 to 20000 Hz
- Nominal Input Power: 400 watts
- Sound Pressure Level: 129 dB
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Supplier: TMP Pro Distribution
Description: " Voice Coil HF: 1.4 " Type HF: Compression driver Directivity: 80/65 x 60 ° Horn: Asymmetrical CD Horn LF: 12 " Voice Coil LF: 2 " HF Amp: 100 W/RMS LF Amp: 300 W/RMS Signal Input: 1x XLR, 1x 6.3mm phone jack Microphone Input: Yes Weight: 14.1 kg (31.09 lbs)
- Application: Music / Audio Systems
- Frequency Response: 59 to 20000 Hz
- Nominal Input Power: 400 watts
- Sound Pressure Level: 128 dB
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Supplier: TMP Pro Distribution
Description: SPL: 121 dB HF: 1 " Type HF: Compression driver Directivity: 80/65 x 60 ° Horn: Asymmetrical CD Horn LF: 8 " Voice Coil LF: 1.5 " HF Amp: 50 W/RMS LF Amp: 150 W/RMS Signal Input: 1x XLR, 1x 6.3mm phone jack Microphone Input: Yes Weight: 8.4 kg (18.52 lbs)
- Application: Music / Audio Systems
- Frequency Response: 67 to 20000 Hz
- Nominal Input Power: 200 watts
- Sound Pressure Level: 121 dB
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Description: anywhere within a 360° half-sphere of area. The driver of the AM30 employs a rugged phenolic diaphragm, a 1.5-inch diameter voice coil, and “rim centered” ferrite magnet structure for long life and durability under extreme operating conditions. A 12-inch connecting cable, phased
- Application: Loudspeaker / Public Address
- Nominal Input Power: 15 watts
- Sound Pressure Level: 107 dB
- Speaker Size: 6.5 inch
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Supplier: JL Audio, Inc.
Description: Words like "extreme," "reference" and "ultimate" get thrown around quite a bit in the subwoofer driver world, but rare is the product that can honestly lay claim to them. The 13W7AE does.
- Application: Automotive
- Impedance: 1.5 ohms
- Nominal Input Power: 1500 watts
- Speaker Size: 13.5 inch
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Supplier: Biamp Systems, Ltd.
Description: pools, theaters, night clubs, shopping malls, stadiums, cruise ships, theme parks and factories. The high output, 3-inch voice coil, 8-inch carbon ring cone LF driver features a flange-less frame design that permits a cone area nearly equivalent to a typical 10-inch driver, resulting
- Application: Loudspeaker / Public Address, Music / Audio Systems, Telephone / Voice Communication
- Speaker Size: 8 inch
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Supplier: RS Components, Ltd.
Description: Miniature speaker. Waterproofed, transparent Mylar membrane . Low installation height. Suitable for external use and in critical environments. Suitable as a signal speaker or as a voice and signal output in machinery Coil Resistance = 8Ohms Sound Level = 87dB Rated Power
- Application: Other
- Nominal Input Power: 2 watts
- Sound Pressure Level: 87 dB
- Speaker Size: 2.24 inch
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Supplier: Tele-Communication, Inc.
Description: configurations Leading edge microphone and speaker quality combine to give you best-in-class performance Quick disconnect headset cord allows you to walk away from the phone without removing the headset Your choice of three models, each available with a noise-canceling microphone or a
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Supplier: Wharfedale Pro
Description: The Programme 60T is a high quality two way speaker with 1 x 6.5" custom Wharfedale Pro driver and 1" Titanium compression driver. The high frequency driver is a sophisticated high performance design with its voice coil wound on a strong, heat dissipating aluminium former,
- Frequency Response: 35 to 20000 Hz
- Sound Pressure Level: 118 dB
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Supplier: Hangzhou Crysound Electronics Co., Ltd.
Description: GVS139B Polarity tester adopts pulse test, which is not affected by environmental noises. It can quickly and automatically identify the positive and negative polarity of loudspeakers, headphones, televisions, stereos, speakers, and voice coil receivers. It is suitable for
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Description: It is a one-component, high-viscosity anaerobic structural adhesive. Suitable for bonding most materials. The product will cure when exposed to suitable UV light. The bonding on the surface of the material can also be cured with a surfactant. Industry application in the bonding and sealing of
- Cure Type / Technology: Thermoplastic / Hot Melt, UV / Radiation Cured (EB, Light), Single Component System
- Elongation: 80 %
- Industry: Electronics
- Use Temperature: -67 to 248 F
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Supplier: Adams Magnetic Products Co.
Description: -performance permanent magnet motors, medical instruments, magnetic couplings, magnetic bearings, gyroscopes, accelerometers, voice coil motors, particle accelerators, sputtering deposition, Halbach arrays, magnetic separation devices, speakers, microphones, undulators,
- Coercive Force, Hc: 10700 Oersted
- Geometry: Block / Bar
- Intrinsic Coercive Force, Hci: 25000 Oersted
- Length: 1 to 2 inch
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Featured Products Top
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ventilators that help patients breathe, to guiding the arms of asteroid-collecting spacecraft. Originally developed for audio speakers, voice coil actuation technology is now being used to provide precise and reliable motion control for a wide range of medical, industrial process, and space (read more)
Browse Voice Coil Actuators and Motors Datasheets for Sensata Technologies -
the world of speaker technology. Our audio and sound innovations didn’t stop there. Working with Fender and surf-rock pioneer Dick Dale, our 100W output transformers became an integral component in the world’s first 100W guitar amplifier. Later, in the mid-1960s, Triad (read more)
Browse Audio Transformers Datasheets for Triad Magnetics
Conduct Research Top
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About Power Ratings
to the load is not considered (we can't hear DC) and even avoided in the amplifier design since DC to a speaker can damage the speaker voice coil. With home audio amplifiers there is also no discussion, or rating, of the power dissipation capability of the amplifier or often even a rating
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Audio Component Pioneer Redesigns Efficiency
. A case in point is the company's vital speaker component, the high-temperature poly-thermal polyimide film voice coil.
More Information Top
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Dynamic speckle bandwidth and characterization of vibration frequency and amplitude using a CO2 laser vibrometer
The bottom and top curves in Fig. ha show the frequency deviations zf for speaker voice coil voltages of 0.05 V and 0.10 V, respectively for a modulation frequency of 30 Hz.
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http://dspace.mit.edu/bitstream/handle/1721.1/97053/2-14-spring-2007/contents/labs/prelab4.pdf
A power op-amp (configured as in Labs 2 and 3) applies a voltage Vin of 2u to the speaker voice coil , whose resistance is Rv = 18 Ω.
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http://dspace.mit.edu/bitstream/handle/1721.1/50027/40160848-MIT.pdf?sequence=2
where u is the displacement of the speaker voice coil , i is the current in the voice coil, and .
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Electrodynamic Speaker Design Considerations
Consider a speaker voice coil having the following values: EC = counter e.m.f., r-m-s volts B = flux density, gausses 1 = length of conductor, cm v = effective velocity, cm/sec I = current, r-m-s amperes Z = free electrical impedance, ohms …
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