!7: Electrostatic Speakers Discount: January 2012

Thursday, January 19, 2012

MartinLogan Motif High-Performance Electrostatic Speaker (Single, Center Channel, Dark Cherry)

!±8±MartinLogan Motif High-Performance Electrostatic Speaker (Single, Center Channel, Dark Cherry)

Brand : Martin
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Price : $1,895.00
Post Date : Jan 19, 2012 22:15:08
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Motif is an amalgam of technologies carefully balanced to maximize performance and installation flexibility. A state-of-the-art XStat transducer, MicroPerf stators, ClearSpar spacers, and vacuum bonding combine with dual aluminum-cone woofers and a proprietary Vojtko crossover to provide maximize efficiency for an effortless, unlimited dynamic presentation. The result is rich, lifelike, stunningly detailed sound that blends seamlessly with our other electrostats and enhances any home theater. Unique (Hybrid-Dynamic) HD-XStat design embeds a high-resolution neodymium soft dome tweeter directly in Motif's electrostatic panel, improving dispersion for increased flexibility in placement. This unique mounting system also increases mid-range/high-frequency phase coherence and time alignment while offering superior dispersion characteristics. Wall-mount brackets and a toolless pivoting stand (with 35 degrees of motion) allow Motif to perform as either a main, center, or surround speaker, mounted on- or off-wall, horizontally or vertically. Carefully hand-built using only the finest polypropylene capacitors and air-core coils, Motif's crossover employs MartinLogan's proprietary Vojtko topology for vanishingly low distortion and seamless driver integration. This precision-tuned network preserves even the most subtle sonic nuances while handling the full dynamics of any source.

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Monday, January 9, 2012

TOP 10 Best Center Channel Speakers - Home Theater Center Channel Speakers

!±8± TOP 10 Best Center Channel Speakers - Home Theater Center Channel Speakers

BONANZA -- TOP 10 Best Center Channel Speakers in 2011 1. Klipsch Reference Series RC-52 - Center channel speaker - 125 Watt - 2.5-way - black ash is.gd 2. MartinLogan Motif High-Performance Electrostatic Speaker (Single, Center Channel, Black) is.gd 3. Energy Take LCR Speaker (Single, Black) is.gd 4. Boston Acoustics CS225CB Classic Series Center Channel Speaker (Black) is.gd 5. Definitive Technology ProCenter 1000 Compact Center Speaker (Single, Black) is.gd 6. Bic Acoustech Pl-26 Center Speaker is.gd 7. JBL ES25CBK 3-Way, Dual 5 1/4" Center Channel Speaker -- Black is.gd 8. Cerwin Vega! VE-5C Center Channel Speaker is.gd 9. Bose VCS-10 Center Channel - Speaker, home theater sound for component systems -- Silver is.gd 10. Polk Audio CS20 Center Channel Speaker (Single, Black) is.gd

TOP 10 Best Center Channel Speakers - Home Theater Center Channel Speakers

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Monday, January 2, 2012

Everything You Need to Know About Subwoofers

!±8± Everything You Need to Know About Subwoofers

Subwoofer refers to either a woofer, or a complete loudspeaker dedicated to the reproduction of bass audio frequencies, typically from 150 Hz down to 20 Hz.

Subwoofers are useful for augmenting main loudspeakers by providing playback of low bass frequencies at high levels. Subwoofers are available in several formats, including bass reflex, acoustic suspension, infinite baffle, horn loaded, tapped horn and bandpass types. The range of sounds from lowest to highest that the subwoofer is capable of reproducing is called frequency range. The actual frequency range can vary depending upon the type of box, crossover point, and the vehicle the subwoofer is installed in.

All loudspeakers characteristically exhibit trade offs between frequency response and response time or transient response depending on the characteristics of the voice coil, properties of the magnetic motor, the cone mass, and the nature of the enclosure.

The voice coil consists of a bobbin with wire wound around it. The voice coil is attached to the bottom of the cone and extends into the air gap surrounding the pole piece. The voice coil translates the magnet's energy into cone motion. Cone size and voice coil inductance are major factors for a subwoofer.

Subwoofers use drivers woofers typically between 8" and 18" in diameter, but some have been as large as 60". Some drivers as small as 4" may be referred to as subwoofers but drivers less than 8" generally have neither the cone area nor excursion ability necessary to produce deep bass, especially in practical sized enclosures. The most common subwoofer sizes in professional concert audio are 12", 15" and 18".

A brief history

The first subwoofer was developed during the 1960s by Ken Kreisel. Kreisel's solution was to design a powered loudspeaker that would reproduce only those frequencies that were too low for the electrostatic speakers to convey and thereby fill in the missing sonic information. Infinity's full range electrostatic speaker system of about the same time also used a subwoofer to cover the lower frequency range the electrostatic arrays did not handle adequately. Subwoofers came into greater popular attention in 1974.

Applications of subwoofers

Subwoofers are used in various systems. The main areas of application include professional audio, home audio, car audio and many other fields. Subwoofers are now almost universal in professional sound applications such as live concert sound, churches, nightclubs, and theme parks. Professional audio subwoofers must be capable of very high output levels. This is reflected in the design attention given in recent years to the subwoofer applications for sound reinforcement, public address, and concert systems.

A subwoofer does not necessarily provide superior bass performance in comparison to large conventional loudspeakers on ordinary music recordings due to the lack of very low frequency content on such sources. Most home and car systems have much smaller and unmatched drivers at low frequencies; they attempt to reproduce very low frequencies with large cone motions.