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Acoustic Research AR 28 Speakers
Acoustic Research AR-28 S Vintage seventies speaker made in USA - Catawiki
AR28LS
AUDIOGASTY - Bafles ACOUSTIC RESEARCH AR28 $16.000... | Facebook
AR_28s
I found a pair of 1982 Teledyne Acoustic Research 28B speakers at Goodwill for $7.99 each. They just needed a refoaming. They sound great. : r/vintageaudio