Introducing a pair of Acoustic Research AR-3A speakers. These vintage speakers are crafted with precision and feature a classic design that adds sophistication to any room. Made in the United States, the pair (2) of units are a rare find and a true testament to the quality of vintage electronics. Not only are these speakers visually appealing, but they also deliver exceptional sound quality. The AR-3A model is renowned for its clarity and depth, and these speakers are no exception. Perfect for vintage audio enthusiasts or anyone looking to add a touch of nostalgia to their home, these Acoustic Research speakers are a must-have. Findings from Pickle Pro Audio. Evaluate and test one pair of Acoustic Research hifi speakers. S/n 43120 and 43122. Midrange driver not working on S/N 43120. Found that driver would work when taken out of circuit. Low frequency driver to expose crossover. With poor soldering and connections. Two bad connections and cleaned/ re-soldered connections, due. This speaker are tested as working at this time, after two poor. Also noted that several caps and resistors were non-OEM in the. The two resistors are 25ohm/10w, but OEM spec is. Crossovers for both speakers will. Need to be restored to specification for proper operation. High frequency drivers in both speakers are non- OEM. Google Photo album of this repair is available at.