These are extremely rare, especially in this condition. All original, Can demo, Made in USA. Frequency Response: 30Hz to 22kHz Sensitivity: 90dB Crossover frequency: 750, 2300, 5000Hz Impedance: 8Ω Max Power handling: 250W Dimensions: 16inch x 41inch x 12inch Weight: 65 lbs each Marantz's Flagship speaker, the HD-880 was the result of former JBL engineer Ed May. 4 way-driver design. 12" pressure molded thick cone woofer 4.75" "waffled" pressure molded midrange with huge magnet, mounted in an enclosed back baffle to eliminate LFI coloration from woofer. 1.5" Linear Polyester Film Radial dome tweeter 1" Linear Polyester Film Radial dome super tweeter. These big Marantz have the uncanny ability to belt out huge sound with crystal clear precision. Ultra-Quick, tight & Clear Bass, super detailed midrange, and ultra-clean highs with no shrill or over-coloration at any volume level from 1 watt to 250 watts. Their awesome performance and durability make them one of the most underrated vintage speakers on the market today.