Vintage Acoustic Research AR-10? (AR10Pi) Stereo Speakers – Pair. For sale is a pair of vintage Acoustic Research AR-10? Stereo speakers by Teledyne Acoustic Research. Both speakers have been tested and produce sound. Please carefully review all photos and the testing video for their demonstrated operation and exact cosmetic and physical condition. TESTING & FUNCTIONAL CONDITION. Both speakers were connected to an amplifier and tested. Both speakers produced sound during testing. Only basic functional testing was performed. The speakers have not been tested continuously for many hours. They have not been tested at maximum volume or full power. Long-term reliability and performance under all operating conditions have not been verified. The speakers have not been fully inspected or professionally serviced. Additional issues may exist due to age and condition. IMPORTANT – VISIBLE DRIVER DAMAGE. Both speakers show visible deterioration and damage to the midrange drivers, including cracks and deterioration of the black diaphragm material. Please carefully examine the close-up photos showing these areas. Although both speakers produced sound during basic testing, the condition and full performance of the individual drivers have not been independently verified. The speakers may require restoration, servicing, or repairs. These are vintage, pre-owned speakers showing signs of age, use, and wear. There are scratches, scuffs, marks, discoloration, dust, and other cosmetic imperfections. Please carefully review all photos, as they are part of the description and show the exact cosmetic and physical condition of the speakers. Actual colors may vary slightly due to lighting, camera settings, and screen differences. Two speaker grilles are included. The grilles do not attach securely to the speaker cabinets. They fit loosely and may not stay properly attached. INCLUDED IN THIS SALE. 2 × Acoustic Research AR-10? Speakers. 2 × Speaker grilles. Only the items shown in the photos and specifically mentioned above are included. These are vintage speakers with visible driver damage and age-related wear. Only basic testing was performed. Full functionality, original specifications, and long-term reliability have not been verified. The speakers may require additional servicing, restoration, or repairs. Please carefully review all photos, watch the testing video, and read the complete description before purchasing.