AR-18

The Acoustic Research AR-18 is a bookshelf speaker that was produced by Acoustic Research in the 1970s. It features a 2-way design with a 10-inch woofer and a 1-inch dome tweeter. The speaker cabinets were made using thick MDF and had a walnut veneer finish. The AR-18 was known for its clean and detailed sound reproduction, and it became popular among audio enthusiasts during its time.