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Polk Audio used a two-way configuration on almost all its speakers, such as the popular Monitor 10 and Monitor 12, typically with 6.5-inch mid/bass drivers with rubber surrounds and passive radiators. The Monitor 12 was quite capable for its day, having bass response to 18 Hz, a free-air mounted tweeter, and 500-watt RMS power handling.
The most common subwoofer driver sizes used for sound reinforcement in nightclubs, raves and pop/rock concerts are 10-, 12-, 15- and 18-inch models (25 cm, 30 cm, 38 cm, and 45 cm respectively). The largest available sound reinforcement subwoofers, 21-inch (53 cm) drivers, are less commonly seen. [citation needed]
In 1993, the W6-series subwoofer drivers are introduced in 8, 10, 12 and 15-inch sizes. This product was considered unique for its dual 6-ohm voice coil system design. These subwoofers were in production for ten years. In 1994, JL Audio introduces the W4 and IB4 series subwoofers and infinite baffle woofers. Also introduced were the CS-3 ...
U.S. Senate Democrats grappling with President Donald Trump's sweeping actions targeting federal agencies on Monday launched an online portal for whistleblowers. They wrote a public letter to ...
Two-inch port tube installed in the top of a Polk S10 speaker cabinet as part of a DIY audio project. This port is flared. Unlike closed-box loudspeakers, which are nearly airtight, a bass reflex system has an opening called a port or vent cut into the cabinet, generally consisting of a pipe or duct (typically circular or rectangular cross section).
A person enters the JPMorgan Chase & Co. New York Head Quarters in Manhattan, New York City, U.S., June 30, 2022. REUTERS/Andrew Kelly/File Photo (Reuters / Reuters)