Speakers are in fantastic shape, sound great, gently used in a 2 channel setup, no issues and sequential serial #'s. Woofer surrounds replaced by sound hounds last year, grill cloth replaced professionally a couple of months ago. Stands can be filled with lead shot or sand. 7se Specifications: 2-driver, 2-way bass reflex, Quasi-3rd order resistive port; bookshelf / stand-mount Crossover 2.3 kHz Frequency Response On-Axis ±2dB from 60 Hz - 20kHz 30° Off-Axis ±2dB from 60 Hz - 15 kHz High Frequency Driver 25-mm (1 in) polyamide dome radiating element with high-temperature voice-coil and an aluminum former Wide-dispersion, maximally flat frequency response ferro-fluid damped and cooled. Barium ferrite magnet Mid/Bass Frequency Driver 210mm (8 in) polypropylene cone with high compliance suspension. 25mm high-temperature multi-layer voice coil with a kapton former. Barium ferrite magnet. Low Frequency Extension 31 Hz (DIN) Sensitivity Room / Anechoic 91 dB / 88 dB Impedance Compatible with 8 ohms Suitable Amplifier Power Range15 - 100 watts Weight 55 lbs. (22 kg) per pair. Dimensions HxWxD 24.0" × 10.5" × 11.7" (61.0cm × 26.7cm × 29.7cm) Link has 3 reviews from 1990, all great.