Both 7500 II speakers were tested prior to removal of the tweeter/mid assemblies. The tweeter & midrange work well with no issues. Impedance is 8 ohms for the tweeter & 6 ohms for the midrange. DCR = 7.2 (tweeter) & 4.5 (midrange) for assembly #1 & 7.0 (tweeter) & 4.5 (midrange) for assembly #2.