1976 BOSE 901 SERIES III 3 Speakers with Bose 901 Series III Active Equalizer Local Pick Up Only | Checkered Records Record Album Store Aurora IL Naperville IL
Bose 901 Series VI ver 2 ("Final Edition") Measurements and Review | Audio Science Review (ASR) Forum
![Bose 901 Series VI direct / reflecting speaker from 1987 with matching Active Equalizer on top Stock Photo - Alamy Bose 901 Series VI direct / reflecting speaker from 1987 with matching Active Equalizer on top Stock Photo - Alamy](https://c8.alamy.com/comp/C5KF6N/bose-901-series-vi-direct-reflecting-speaker-from-1987-with-matching-C5KF6N.jpg)