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In the 1990s, Bose manufactured a "Lifestyle 901" system that integrated two 901 speakers, the 901 Active Equalizer, and a Lifestyle stereo receiver that integrated an A/M-F/M radio tuner and a CD player, as well as a remote control.
For instance, the Bose 901 speaker system does not use separate larger and smaller drivers to cover the bass and treble frequencies. Instead it uses nine drivers all of the same four-inch diameter, more akin to what one would find in a table radio. [citation needed] However, this speaker system is sold with an active equalizer. That equalizer ...
Bose argued that the listener's perception was the best measure of audio quality. [12] [13] [14] Also in 1968, the company introduced the Bose 901 stereo speaker system, which used eight mid-range drivers pointing toward the wall behind the speaker, and a ninth driver toward the listener. This design aimed to achieve a dominance of reflected ...
The portable audio products sold by Bose Corporation have been marketed as portable smart speaker and SoundLink. These wireless speaker systems are battery powered and play audio over a wireless connection from a separate source device (such as a computer or smartphone). Most Soundlink models use Bluetooth to communicate with the source device.
The magazine Consumer Reports had published in 1970 a review of an unusual [clarification needed] loudspeaker system manufactured by Bose Corporation, called the Bose 901. The review expressed skepticism of the system's quality and recommended that consumers delay purchase until they had investigated for themselves whether the loudspeaker ...
Schematic of an AGC used in the analog telephone network; the feedback from output level to gain is effected via a Vactrol resistive opto-isolator.. Automatic gain control (AGC) is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal amplitude at its output, despite variation of the signal amplitude at the input.