Totally originalAR-3 speakers, except grill cloth. Woofers re-sealed, recapped with Solen capacitors, all potentiometers disassembled and cleaned, reassembled with di-electric grease. Perfect sound and 100%originalparts. Serial number C-50186 and C-55437. Best rated speakers for 10 consecutive years in the 60’s and the only ones on display at Museum of Modern Science.