ACOUSTIC RESEARCH adalah produsen lawas dari Amerika Serikat sejak 1954 ( 1 ) ACOUSTIC SA30 ACOUSTIC 470 ACOUSTIC 134, 140, 150 AMPLI BASS ACOUSTIC 320-330 POWERED MIXER ACOUSTIC M911 ACOUSTIC RESEARCH X10 ACOUSTIC RESEARCH A03 ACOUSTIC RESEARCH AR04 A03 A06 RIBUAN PIN SKEMA LIHAT MERK LAINNYA BLOGGER PAK YOHAN PREAMP, TONE, EQ https://en.wikipedia.org/wiki/Acoustic_Research
