Buy Used Speakers Now
Gently (and evenly) push the woofer cone inward. It should move smoothly and silently. If you feel or hear a "scratching" or "crunching" sound, the voice coil is likely damaged or rubbing.
Buying used speakers is one of the best ways to get high-end audio on a budget, but it requires a "buyer beware" mindset. A speaker that looks perfect on the outside might have a blown tweeter or a deteriorating internal crossover that is invisible to the eye. buy used speakers
Sites like Facebook Marketplace and Craigslist are ideal because you can inspect and test the gear in person before paying. Gently (and evenly) push the woofer cone inward