I just tried out an old 80's Vantage Avenger P Bass that was lying around my band leader's house and it sounded amazing; punchy, burpy, and thick, unlike any modern P bass I've tried, which have always sounded mushy, boomy, and lacking definition. So what makes these old P's sound so good? I've played new Js that sound great, but never a new P, at least so far. The bass I tried was exactly like the one in this link:
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