Pair of nice shape Acoustic Research AR18S vintage bookshelf speakers. 8 original woofers serviced with new foam surrounds. Original tweeters work perfectly. Everything works and sounds great. Matching serial number 042538. They measure roughly 16.5″ tall, 10.1″ wide, and 6.7 deep, each, with the grills on. Please browse through the images and video for overall condition. Thank you for looking.