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A subwoofer, or sub for short, is nothing more than a loudspeaker that reproduces the bass sound of the frequency. They have a limited frequency range but contrast nicely with the higher pitched sounds from an audio unit with built-in speakers. Musicians and music enthusiasts often prefer the deep tones that subwoofers produce above the typical bass sound.
When you take a look at the Polk Audio PSW505 Subwoofer it has a frequency range of 23 Hz to 160 Hz. The point is; it will bring out the best of any musical performance. Over the years the engineers at Polk have tweaked the voice coil alignment. They’ve also added suspension in 12″ long throw driver. This is called the Klippel Optimized Woofer. The end result is the extreme volume doesn’t distort the sound. Most subwoofers you find out there have this problem all the time.
Back in the 60s it was a time for experimenting with music. Usually the louder the better, but the “screechy” sound wasn’t very inviting so Ken Kreisel decided to take a different approach. Over the next decade he perfected a electrostatic speaker system. This came with a woofer so the frequency range would be lower. Unfortunately it wasn’t until 1973 that the first subwoofer was tested professionally. This is was done by Steely Dan while making Pretzel Logic. Throughout the next 7 years there were various scenario, but just 3 years later we saw 300 Sensurround systems throughout several theaters. It provided a great way to help with sound effects in movies.
Before long, concert and movie houses were setting up Sensurround with subwoofers located in each corner of the room. This type of sound was not set up to blast the audience from their seats but to work together with the main speakers to provide a much more realistic sound. The 1987 Bose Acoustimass was considered a great achievement back in the day with a six-inch driver per channel. Technology continues to improve and today the Polk Audio PSW505 is considered top in its league with a 12-inch Bass driver, integrated 300-watt amplifier, adjustable crossover and magnetic shielding.
Sometimes when the sound is too high you will find that the subwoofers will drag vibration across the floor. Try checking the bottom of your feet and see if there is sturdy material. Then take the PSW505 Subwoofer and utilize the highs and lows to test its capabilities. Soon you will find the right balance for any movie, music show, or video game you play.
Over the last two decades the subwoofer has evolved into a very unique approach to optimal sound. Their controlled bass tones mesh well with any home system, which means you will never be disappointment. You can spread your speakers around however you wish, but the small main or satellite speakers should be close to the stereo, and then the other 4 or 5 can be spread out around the room. When it’s all said and done you will truly enjoy your subwoofers every time they are used.
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