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The Yamaha DSP-1 is a processor of early home theater surround sound equipment, produced in 1986. [1] The DSP-1 (referred to by Yamaha as a Digital Soundfield Processor) allowed owners to synthesize up to 6-channels of surround sound from 2 channel stereo sound via a complex digital signal processor (DSP).
From 1990 until the early 2010s, Bose sold several 2.1 channel audio systems. The systems used two small satellite speakers and a subwoofer. Early versions of the systems used an in-built CD player, followed by a DVD player. Later versions were AV receivers that used external audio sources.
Angle view of the Pioneer SX-1980 stereo receiver. The Pioneer SX-1980 [1] [2] [3] is an AM/FM radio receiver that Pioneer Corporation introduced in 1978, to be matched with the HPM series of speakers. It was rated at 270 watts RMS per channel into 8 ohms, both channels driven.
Best HDTV Antenna Amplifiers. Best Overall: Channel Master Ultra Mini Antenna Amplifier. Best Value: ... For example, channel 2 is typically assigned a frequency of around 54 MHz, while channel 13 ...
The receiver performs tasks that would otherwise require numerous separate pieces of equipment, such as preamplifiers, equalizers, multiple power amplifiers, and so on. As home entertainment options expanded in the 1980s and 1990s, so did the role of the receiver. [2] The ability to handle a variety of digital audio signals was added.
Optonica amplifier (SM-3636) and tuner (ST-3636) from 1978. The Optonica brand was created and first launched by Sharp of Japan in 1975 to compete in the high-end audio market along with established brands such as Sansui Electric, Sony, Panasonic, Sanyo, Yamaha, Nakamichi, Onkyo, Fisher Electronics, Technics (brand), Pioneer Corporation, Kenwood Corporation, JVC, Harman Kardon and Marantz.