Brand: Acoustic Research
The Acoustic Research AR-38S is a bookshelf loudspeaker that is part of the AR-38 series. It measures 12 inches tall by 8 inches wide by 12 inches deep, and weighs around 11 pounds. The AR-38S features a 1-inch silk dome tweeter with a ceramic magnet, and a 6.5-inch woven fiberglass bass/midrange driver with a polypropylene cone. The crossover frequency is 2,500 Hz, and the speaker has a frequency response of 60 Hz to 25 kHz (+/- 3 dB). The sensitivity is 87 dB (2.83V, 1 m), and the impedance is 8 ohms. The AR-38S is recommended to be used with a power amplifier or receiver of 25 to 150 watts per channel. This speaker is known for its detail, clarity, and balanced sound in the midrange and treble frequencies. It is often regarded as a classic and a good choice for those looking for an affordable high-performance speaker.