Get it Now! Polk Audio 620-RT (Ea) High Performance In-Ceiling Loudspeaker from Amazon
Polk Audio 620-RT (Ea) High Performance In-Ceiling Loudspeaker description :
- Single speaker - Priced and sold individually
- Shape - round
- Driver Complement - 3/4 silk/polymer tweeter, 6-1/2 composite polymer driver
- Overall Frequency Response - 35 Hz - 25 kHz
- Lower/Upper -3 dB limit - 52 Hz - 23 kHz
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Polk Audio 620-RT (Ea) High Performance In-Ceiling Loudspeaker
Just like Matthew Polk's Signature Reference Theater (SRT) system, the components used in the RT Series benefit from Dynamic Balance, a technology which came out of a joint research project between Polk Audio and Johns Hopkins University. This laser imaging research enabled Polk to view on a microscopic level the entire vibrating surface of a driver or tweeter. By this method Polk was able to observe the resonances, which develop on speaker cones as they move. These resonances are the root cause of frequency response distortions. As an x-ray enables a physician to discover the root cause of a
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Polk Audio 620-RT (Ea) High Performance In-Ceiling Loudspeaker Reviews,
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