Yamaha Home Audio - In 1972 the NS-690/NS-670 won countless fans with its natural and delicate “European sound”, along with its beautiful plain-wood cabinet. . . . . . . En 1972,
Pair of Yamaha NS-670 speakers- delivery available for Sale in Jupiter, FL - OfferUp
YAMAHA NS-670 CROSSOVERS 8OHMS EACH | eBay
Yamaha NS-670. - YouTube
Near Mint Yamaha NS-670 3 Way Audiophile Acoustic Suspension Speakers | Reverb
Yamaha NS-670 Vintage Speakers, Walnut For Sale - US Audio Mart