The Acoustic Research AR-48LS is a loudspeaker model produced between 1981 and 1...

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The Acoustic Research AR-48LS is a loudspeaker model produced between 1981 and 1984. Made in the USA, the AR-48LS features a solid construction with a focus on delivering high-quality sound performance. It includes a large 10-inch woofer, providing deep bass response, and is equipped with a crossover that operates at frequencies of 340 Hz and 3.8 kHz. Original cabinet designs allow for various modifications, and users have reported successful upgrades with new drivers while maintaining compatibility with the existing crossover. Many enthusiasts have praised the speaker's sound characteristics, especially when retrofitted with contemporary components. The aesthetic often features a rich American walnut finish, which contributes to its vintage appeal.