Found a pair of JBL 2600 and a polk audio "monitor series" I'm unsure exactly what model they are, any of you seen these around? Says 5jr but when I search is
JBL 2600 SPEAKER SYSTEM CRAFTED IN U.S.A Price - 15000/- Only Contact No - 9871265010 - YouTube
JBL 2600 Speakers for Sale in Las Vegas, NV - OfferUp
JBL 2600 / Акустические системы - JBL / Vintage Audio | Акустическая система
JBL 2600 Vintage Bookshelf Speakers Titanium Tweeters Wood Grain Made In USA | eBay