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.
If you can't hook them up to an amp, bring a .
Inspect the ring around the woofer (the surround). If it is made of foam, check for "foam rot"—cracking or crumbling. This is common in speakers over 15-20 years old but can often be repaired.
Platforms like Audiogon or US Audio Mart often have more enthusiast-owned gear with better descriptions.
You can find "gems" for very little money, but these are often high-risk as testing is rarely possible. 2. The "3-Step" Physical Inspection Before you even plug them in, do these three things: