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The Mansberg ‘Sinus’ is a unique floor standing loudspeaker that combines a graceful appearance with high quality drivers.
It is a four-way, five-driver speaker system, incorporating a 10″ woofer and dual 7″ mineral filled polypropylene cone midrange drivers in a sub-enclosure.
The made-in-Holland Sinus is clearly a high-end loudspeaker – and looks like one.
Polk Audio Tsi400 Floorstanding Speakers, What You Need To know
Do you have champagne taste on a beer budget? Or prefer a warm mid-range with crystal clear highs and a detailed low end? If so than the TSi400 floorstanding speakers from Polk Audio are for you.

KEF partners with authorized Blade dealer, Hear No Evil, to give show attendees unique demo of world’s first Single Apparent Source Loudspeaker
Marlboro, N.J. – October 4, 2011 – KEF, the renowned manufacturer of innovative, reference-quality loudspeakers, will partner with Denver-based dealer Hear No Evil Home Entertainment to present attendees to Rocky Mountain Audio Fest 2011, happening October 14-16 at the Denver Marriot Tech Center, with a unique demo of the new KEF Blade, the world’s first Single Apparent Source loudspeaker. Additionally, KEF will commemorate it 50th anniversary by holding its official KEF 50th Anniversary Book signing event on Friday October 14th at 7-9pm.

New R Series Incorporates KEF Blade Technologies to Produce Performance Approaching Reference Series Standards at Much More Accessible Price Points
Marlboro, N.J. – September 2, 2011 – To help celebrate its 50th Anniversary year, KEF, the renowned manufacturer of innovative, reference-quality loudspeakers, has introduced its R Series range of high-performance speakers. Featuring many of KEF’s latest innovations in premium high fidelity and home entertainment loudspeaker technology, the R Series seeks to make higher-end audiophile standards of sound reproduction more affordable. Fluent new Uni-Q® driver arrays combine with new bass drivers and several additional innovations to create a rich, spacious sound image of such accuracy that it approaches the benchmark standards of KEF’s legendary Reference Series.
I wouldn’t be surprised if the Polk RTiA7 floorstanding speakers were in more living rooms than any other speaker. Or at least in the race for that title.
The RTi series from Polk Audio, which includes three variations of the floorstanding speakers and two bookshelf speakers offer:
All of which are damn hard to beat at this price point. The RTi speakers use the same tweeter and mid-range woofer across the series. Only bass woofer and size or woofers vary. So voicing in the series in near identical. Which is ideal if you are setting up a 5.1 or 7.1 home theater system. The RTi A7 use 2 – 7-Inch diameter polymer composite with rubber surround bass woofers with a ported cabinet. These puppies go all the way down to 20Hz, so there really is no need for a subwoofer unless you want more power in your explosions and thumps. With one 1 – 6-1/2-Inch mid-range woofer and a 1-Inch silk polymer composite dome tweeter.
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Pros:
First off you should know these speakers are being discontinued. What that means for you is money savings on a great set of speakers.
The “Monitor” line is a special for Polk Audio. It is the line that made them famous in the 70′s for offering a simple, sturdy construction, clear, accurate sound, powerful bass and superior imaging at a price anyone could afford. These new but no longer in production “Monitor” line continue in this vein. Well constructed, great sounding, and easily within the price range of almost any consumer.
The Monitor 70 floorstanding speaker has received a fantastic amount of positive reviews on AudioReview, Amazon, and other sites around the web.
Doug is a pastor, so I think he is more predisposed to interesting background stories than I am. And thus, while going over our finds, likes, and dislikes at CES 2011, Doug mentioned there was a homeless guy here showing off his speakers. Homeless on a top floor of the Venetian, seriously? That sounds compelling. But what do the speakers sound like? Before telling me his impressions about their sound, Doug gave me the back ground story on Kevin. Kevin Nelson is homeless. He makes his way around the San Diego area keeping his gear at a friend’s home. He has been working on speaker designs since getting out of high school year ago, and the current speakers, being shown at CES, are the culmination of about 20 years of dreaming and tweaking. I can see why this grabbed Doug’s attention, but I was waiting for the catch. I don’t think Doug would waste my time if the speakers sounded awful, even though his taste are fairly different than mine, he does have a well trained ear. So, how do they sound, I kept asking. But the story kept getting richer. I think being a pastor teaches one to be a good story teller, because Doug dropped the bomb when he said that each speaker played both channels and they had a huge planar like sound. And they only cost $890. Hook, line, sinker, I was hooked. I had to hear this. So by day four, after finally finding the room in the chaos that is the upper floors of the Venetian Hotel during CES, I sat there with my wife for a couple minutes stunned. Were both speakers really playing both left and right channel, how was this possible, why wasn’t it a big mess of sounds? I quickly made plans to demo these speakers at my place.