Brand: Acoustic Research
The Acoustic Research AR-66BX is a vintage bookshelf loudspeaker that was first introduced in the 1970s. It is part of AR's famous "X" series of speakers, which were known for their high-quality sound and innovative design.The AR-66BX features a 2-way design with a 10-inch woofer and a 1-inch tweeter. The woofer is made of a specially treated paper cone and is mounted in a sealed enclosure, while the tweeter uses a soft dome diaphragm and is mounted on a waveguide to help improve dispersion.The speaker has a frequency response range of 35Hz to 22kHz and a power handling capacity of up to 100 watts. It also has a sensitivity rating of 90dB, which means it is relatively efficient and can work well with lower-powered amplifiers.The AR-66BX has a classic look with a wooden cabinet and a removable front grille. It is a well-regarded speaker in the vintage audio community and is still used by many audiophiles today.