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Bose® Acoustimass® 10 Series IV home entertainment speaker system - Black Review
The Bose Acoustimass 10 Series IV home entertainment speaker system brings 5.1-channel sound to your movies and music. Connect it to your home theater receiver and enjoy Bose quality sound. his system includes an Acoustimass bass module, four Direct/Reflecting Cube speakers, and a center channel speaker.
The Acoustimass 10 Series IV speaker system is engineered to fill the room with beautiful sound... not bulky speakers. You can hide the Acoustimass module virtually anywhere in the room, and you experience dramatic sound that all seems to come from the small speaker arrays.
Two downward-firing drivers in the Acoustimass module give you powerful performance for the lowest audible notes and effects. The module features technology that minimizes audible distortion. The horizontal center-channel speaker complements flat-panel TVs and blends nicely into your decor.
6.25 x 3 x 4 inches (HxWxD); 2.4 pounds
3.13 x 6.25 x 4.13 inches (HxWxD); 2.36 pounds
16.33 x 8.13 x 25.33 inches (HxWxD); 35 pounds
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JBL GTO628 6.5-Inch 2-Way Loudspeaker Review
 The GTO tweeter is both strong and light weight while being adjustable |
For more than 60 years, JBL products have been bringing home the impact and excitement of the world's best recording studios, movie theaters and concert venues. Now, JBL engineers are creating these world-class listening experiences in the car. Thanks to advanced technology developed in the professional arena, JBL mobile products simply sound better than the competition. High output, superb bass response, long life and smooth response are all things you can expect from any speaker that wears the JBL badge. So join enthusiasts who know audio, and don't settle for anything but JBL in your vehicle. Bring the sound of the show on the road.
Listen Loud
The last thing you want to worry about is the quality of your speakers. We understand. All new JBL mobile products have to go through nearly 500 hours of environmental testing. We put them under temperatures fluctuating between -35° C and +90° C with up to 90 percent air humidity for more than 200 hours. We expose speakers to UV light for more than 150 hours to simulate a mounting location on a car's rear deck. We even shake things up, as all of our new mobile audio products have to pass extensive vibration testing before we release them for production. We've made unparalleled efforts to ensure the best possible quality so that you can listen long and loud when you crank up a JBL speaker.
Edge-Driven, Mylar-Titanium Tweeter
The JBL GTO628 uses a 1-inch (25-millimeter) Mylar-titanium (My-Ti) tweeter with a large voice coil--much like a voice coil found in high-end home audio speakers. The benefit of the Mylar and titanium blend in making a tweeter is that it is lightweight and has remarkable strength. At the same time, its large voice coil increases power handling and reduces distortion at high output levels. This tweeter design also helps create more seamless integration with the woofer. The GTO628's tweeter is even adjustable, so you can modify it to optimize the sound. The result? True, high-end, audiophile-quality performance.
UniPivot Tweeter Pod
We all know that our ears are not down by our ankles. Unfortunately, most factory-installed speakers are usually down somewhere in the door, far from our ears. This placement can really affect the imaging of your music, making it sound unnatural. To ensure proper imaging, the GTO628's utilize a patented rotating tweeter. So even if the speaker is mounted down low, the soundstage can be brought up and optimized for the listening location.
Built-in Crossover Networks
Typical entry level mobile loudspeakers use low performance bass blockers to keep bass from going to the tweeter. Well, the JBL GTO628 is not your typical entry-level loudspeaker. By using a built-in crossover network with advanced high and low pass filters, the GTO628 creates a smooth transition between the woofer and tweeter. The result? Midrange vocals that sound so natural and lifelike you think you the artist were right in the car with you.
 The Plus One woofer cone increases bass output and efficiency |
 Look for the True 4 ohm logo for the best real world performance |
 Intermount III makes installation into any factory location simple Click to Enlarge |
Plus One Cone
The JBL GTO628 uses a 6-1/2-inch (160-millimeter) woofer with the patent-pending JBL Plus One cone technology. Plus One technology gives the GTO628 more cone surface than competing models of the same size--up to 30 percent more in many cases. With a larger cone area, the GTO628 speakers provide higher efficiency and better bass response. Add a low-Q woofer design for higher bass output from the typical mounting location and 180-watt peak power handling, and the GTO628 will really get your car booming.
True 4-Ohm Topology
Low-impedance speaker voice coils extract more power from your amp for more powerful performance than high-impedance coils do. JBL GTO628 speakers use a lower-impedance voice coil than a typical 4-ohm speaker to extract the most power possible from all amplifiers engineered to drive loads of 4 ohms or less. And the GTO628's are compatible with both aftermarket head units and factory-installed systems. Since many factory-installed systems incorporate 2-ohm speakers and include amplifiers designed to drive 2-ohm loads, replacing those reduced-impedance speakers with a typical 4-ohm model will reduce the power output from the amplifier. For the most powerful performance, the GTO628's make the best use of any amplifier by providing an optimum 2-ohm load.
Intermount III (Patent Number 6,505,705) Mounting System
Doing it yourself? Installing GTO628 speakers in nearly any factory-built location is a breeze. Designed as replacements for factory-installed OEM speakers, they easily install into nearly any factory-built 6-1/2-inch location without requiring any special tools or modifications. To make installation even easier, the GTO628s use JBL's patented Intermount III mounting system. Depending on the vehicle, the factory-built 6-1/2-inch location can actually vary in size from 6 inches all the way up to 6-3/4 inches, thanks to the GTO628's included installation rings. Even if you are upgrading an older set of aftermarket speakers, the GTO628 makes replacing them easy.
And with such easy installation, you'll be listening to your new JBL speakers in no time at all.
 The JBL GTO628s deliver high output, superb bass response, long life and smooth response. |
What's in the Box
One pair of JBL GTO628 2-way loudspeakers, one set of installation hardware, one set of Intermount III rings
Harman Kardon DPR 1001 Digital Receiver Review
The DPR 1001's versatile setup and configuration options include independent multiroom-multisource operation and a comprehensive array of rear-panel and front-panel digital and analog video and audio connections. The receiver comes with Harman Kardon's programmed LCD remote control with EzSet functionality, plus a Zone II remote for control of a second-room audio system. The receiver uses Pulse Width Modulation (PWM) digital amplifier technology--which keeps digital-audio signals in the digital domain from input to the last stage of output--to achieve significant advantages in performance and physical design.
Harman Kardon's Triple-Crossover Bass Manager is among the most advanced bass-management systems available in any audio-video receiver or DVD player. This system lets you select from three bass-crossover frequencies for the front, center, and surround speakers to perfectly tailor the audio output fed to each set of speakers for optimal frequency response and performance. This compensates for the absence of bass management on many high-resolution optical players (like DVD-Audio or multichannel SACD players), making it easy to enjoy maximal sonic benefits from high-resolution formats. Advanced 24-bit, 192 kHz D/A converters ensure the highest possible resolution, fidelity, and dynamic range. Two proprietary Harman audio technologies, Logic 7 7.1/5.1 and VMAx, deliver heightened sonic realism from surround sound and stereo audio source material. When the unit's connected to a computer or sound card with a compatible coaxial digital-audio output, you can play back MP3-encoded CDs or Internet-delivered streaming media.
The unit's audio-video connections includes composite video, S-Video, and wide-bandwidth component video switching, plus a wide-bandwidth component-video output, which passes the full bandwidth of HDTV signals. Digital and analog front-panel jacks accommodate program sources such as game consoles, VCRs, camcorders, digital still cameras, and portable audio-video products. Exclusive to Harman Kardon products, the front-panel coaxial digital audio and analog audio-video jacks may be switched to function as record outputs for easy connection to portable recording devices.
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