Sapphire Loudspeakers Acworth GA

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Brandsmart USA
(770) 423-1600
3305 Busbee Drive Nw
Kennesaw, GA
 
H.H. Gregg
(770) 919-1991
2555 Cobb Place Lane
Kennesaw, GA
 
Best Buy
(770) 721-7599
1810 Cumming Hwy Suite 600
Canton, GA
 
H.H. GREGG
(770) 432-9494
2784 Cumberland Blvd.
Smyrna, GA
 
Cartunes
(404) 256-5600
5834 Roswell Road
Atlanta, GA
Services
Car Audio

Best Buy
850 Cobb Place Blvd Nw
Kennesaw, GA
 
Atlanta Audio Consultants
(770) 977-9110
3149 Hudson Pond Lane
Marietta, GA
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Lighting Control, Multi-Room Audio, Multi-Room Video, Security / Access Control / Surveillance / Gate Access, Telephone Systems, Home Networking, iPhone / iPad integration
Brands
Yamaha,RBH, Jamo,Elan g!, Monitor Audio, Bass, Marantz, Sharp, Niles Audio, Da-Lite, Monster Cable Liberty Cable, Lutron,Kinetics Noise,Samsung, Rockustics, Chief, Velodyne, Panasonic, RTI, Artison
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Phillip Ampel, CEDIA Certified Professional EST II

Best Buy
2460 Cobb Pkwy Se
Smyrna, GA
 
Georgia Home Theater
(770) 955-8909
2516 Cobb Pkwy.
Smyrna, GA
Services
Home Audio, Design & Installation

Mountain Audio & Video, LLC
(706) 835-2313
2427 Blue Ridge Highway
Blairsville, GA
Services
Audio / Video, Home Automation / Systems Integration / Home Networking, Home Theater, Multi-Room Audio, Security / Access Control / Surveillance / Gate Access
Brands
Yamaha, Polk, RTi, Optoma, Ademco, Stewart Filmscreens, Toshiba, Samsung, Harman Kardon, Speakercraft, Niles, and more.
Certifications
One or more employees at this company have achieved CEDIA Professional Certification status:- Michael Hinman, CEDIA Certified Professional Designer

Mark & Daniel sapphires

mark & daniel

Sapphire loudspeakers

as reviewed by John Potis

 

 

 

The Mark & Daniel Sapphire loudspeaker stands a good chance of being one of the least understood and most underestimated products I've ever used. Despite the fact that it's also one of the more interesting ones, in some ways, it could be its own worst enemy. But before I get to why that is, let's get the basics out of the way.

The Sapphire from Mark & Daniel is a small speaker, but it is remarkably heavy for its size. It stands a scant 11.4 inches tall by 6.7 inches wide and only 8.4 inches deep. Even with its extremely heavy and inert synthetic marble enclosure—which is very dense and heavy as compared to the MDF used in most loudspeakers— the Sapphire only tips the scale at 21 pounds. Sapphire uses Mark & Daniel's own proprietary SX 5.5 mid-woofer, with its 5.5-inch high-excursion driver that achieves a full ±10mm linear. That's .9 inches; which is huge. There are subwoofer drivers that can't approach that. All Mark & Daniel woofers utilize long magnetic gaps and NdFeB magnets for superb control. The Sapphire has a system F3 of 45Hz. On paper, that's some excellent bass extension for such a small speaker. In practice, it's remarkable.

Those unfamiliar with the Mark & Daniel line of loudspeakers might mistake the second driver for a ribbon tweeter …you will be forgiven as it's actually something quite different. It's really a rethinking of Oskar Heil's Air Motion Transformer (AMT), which dates back to 1972. Now that the original patents have expired, clever designers are free to use it in their designs or give it a modern spin of their own. What Mark & Daniel does is springboard off the original AMT design to create what they call their Directly Responding Emitter by Air Motion Structure driver, or DREAMS as M&D calls it. In a nut shell, the DREAMS are indeed a variation upon the AMT and if you want to think of it as a folded ribbon that may help in understanding the way it works. Once folded it works—pumps, if you will—in three dimensions as opposed to the two-dimensional pistonic motion of most drivers. Couple that with a radiating surface that dwarfs other such drivers and the DREAMS becomes efficient at coupling with the air that it excites. It's said to move air four times faster than conventional drivers. This all adds up to a driver within a huge surface area that is also extremely efficient, so much so that the DREAMS' driver is capable of frequency response down to 900Hz and an upper limit of 25kHz. That, in turn, means that from 900Hz up through 25kHz the Sapphire uses a single driver. This means that the speaker suffers none of the discontinuities normally associated with separate midrange drivers and tweeters as well as no crossover components in the signal path.

Like most small speakers that make an effort optimize reproduction of bass frequencies in terms o...

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