A matched pair of Yamaha NS-10M Studio monitors from 1987. Serial #’s: 108259 A and 108259 BFor reference: these units were used in a studio and powered by a Bryston 3B amplifier.Both are in excellent condition with only minor cosmetic blemishes (likely due to their 35 years of age).Open to offe…A matched pair of Yamaha NS-10M Studio monitors from 1987. Serial #’s: 108259 A and 108259 BFor reference: these units were used in a studio and powered by a Bryston 3B amplifier.Both are in excellent condition with only minor cosmetic blemishes (likely due to their 35 years of age).Open to offe…A matched pair of Yamaha NS-10M Studio monitors from 1987. Serial #’s: 108259 A and 108259 BFor reference: these units were used in a studio and powered by a Bryston 3B amplifier.Both are in excellent condition with only minor cosmetic blemishes (likely due to their 35 years of age).Open to offe…