Is there anywhere to catalogue vintage audio gear? I've got two sets of hitachi speakers, HSP 532 and HSP 400 for which I cannot seem to find proper information online. : r/vintageaudio
Vintage Hitachi HSP-3450 Speakers Photo #2762578 - US Audio Mart
Retro Vintage HI FI
Set of 2 Vintage 1970's Hitachi Speakers, Model SS-15, 15" X 8 3/4” X 5 3/4” | eBay