If only worth $500-$900 used, I would make it easy without spending too much money. I can replace surrounds, cones, even coils, have you done any of that before?
They are NOT glued, get thee a narrow putty knife, say 1" wide, carefully tap around the edges, (protecting wood at edges, perhaps put tape around the driver before getting them out).
they will eventually come out. Hook up any cheap speaker to the wires to the woofer, shows if signal is coming out of the crossover.
Either Madisound or Parts Express have knowledgeable recommendations for replacement woofers/drivers.
Specs, range of frequency performance, crossover points, speaker sensitivity, ____ ohms (nominal) .... whatever facts you can gather helps find a replacement.
i.e. My old JSE Infinite Slopes have Dual Coil Woofers, special to their performance. My friend simply cannot find dual coil replacements, John Sollecito (the JS in JSE) cannot find a replacement woofer) my friend went with Parts Express recommendation. Then found another pair, great price, original dual coil woofers. His pair with replacement single coil both sound and measure like the dual coil. I’m sure Modafferi had his reasons relative to his patent,
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Richard Modafferi, inventor and independent consultant to AudioClassics, has established himself as one of the world’s foremost authorities on tuner & loudspeaker design and development. He holds Masters degrees in Electrical Engineering and Computer Science from the NJ Institute of Technology. A Senior Engineer at McIntosh Laboratories from 1968-74, he designed the MR77 and MR78 tuners and the famous "Rimo" filter. The MR78 tuner has received world wide acclaim for its State of the Art performance. From 1974 to the present, Richard has been a self employed inventor at Modafferi Acoustical Systems, Inc. He has been granted a United States patent for Phase Shift Bass Loading and for the Infinite Slope Crossover. Richard also serves as a writer, reviewer and test lab for Audio, Audio Critic, The Sensible Sound.
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