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2. Don't wait until the next heat wave to buy an AC — this one ...

   www.aol.com/lifestyle/midea-air-conditioner-sale...

   This Midea window air conditioner is the perfect size for a bedroom, kitchen or even a smaller living room. Normally $175, it's now marked down on Walmart to just $144 , making it quite the steal ...

3. Audio crossover - Wikipedia

   en.wikipedia.org/wiki/Audio_crossover

   [4] [2] Home cinema 5.1 surround sound audio systems use a crossover that separates out the very-low frequency signal, so that it can be sent to a subwoofer, and then sending the remaining low-, mid- and high-range frequencies to five speakers which are placed around the listener. In a typical application, the signals sent to the surround ...

4. Speaker wire - Wikipedia

   en.wikipedia.org/wiki/Speaker_wire

   [citation needed] High-power in-car audio systems using 2-ohm speaker circuits require thicker wire than 4 to 8-ohm home audio applications. Most consumer applications use two conductor wire. A common rule of thumb is that the resistance of the speaker wire should not exceed 5 percent of the rated impedance of the system.

5. Woofer - Wikipedia

   en.wikipedia.org/wiki/Woofer

   A woofer or bass speaker is a technical term for a loudspeaker driver designed to produce low frequency sounds, typically from 20 Hz up to a few hundred Hz. The name is from the onomatopoeic English word for a dog's deep bark, "woof" [1] (in contrast to a tweeter, the name used for loudspeakers designed to reproduce high-frequency sounds, deriving from the shrill calls of birds, "tweets").

6. Subwoofer - Wikipedia

   en.wikipedia.org/wiki/Subwoofer

   From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...

7. Lincoln Walsh - Wikipedia

   en.wikipedia.org/wiki/Lincoln_Walsh

   Gersten raised the capital needed to buy back the Walsh patent rights from a metal-casting company which had invested with Walsh. Walsh's new speaker design was developed and marketed by Ohm (the Ohm 'A'), after Gersten invented an edge-wound anodized aluminum voice coil, U.S. Patent 3,935,402 (1974), which was needed to make the unit viable ...

8. AOL Mail

   mail.aol.com/d

   AOL Mail offers a secure and user-friendly email service with spam protection, folders, keyboard shortcuts and more.