have pairs of the highly sought after Philips / Norelco 9762 M 12” (32cm) full range drivers. Made in Holland and considered the very best of the the Philips line and most of the later Philips full range drivers were based upon this original design. It is the paper version and all four speakers are in excellent working condition and sound excellent. These are very rare and are in superb condition. Both sets show some discolor from oxidation due to their age. All cones are pristine for their age and they are amazing sounding Holland built speakers! Here are their specifications: Norelco Philips 9762 M 12” (32cm) Full Range Drivers Thiele Small Parameters: Membrane weight ~ 25g Fs = 40 Hz Re = 5.7 ohms Qms = 11.9 Qes = 1.2 Qts = 1.0 Membrane area = 530 sq-cm Vas = not measured VC impedance = 7 Ohms Max power = 20 watts VC diameter = 1.25" Weight = 7. 8 pounds