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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.
Pioneer played a role in the development of interactive cable TV, the LaserDisc player, the first automotive Compact Disc player, the first detachable face car stereo, Supertuner technology, DVD and DVD recording, the first AV receiver with Dolby Digital, plasma display (with the last 2 years of plasma models being branded as Kuro, lauded for ...
Onkyo, Integra, Pioneer and Pioneer Elite branded products continue to be distributed by PAC via its 11 Trading Company subsidiary. [13] A professor noted in The Asahi Shimbun that Onkyo prioritized its manufacturing quality to the detriment of its adaptability to market conditions, with the advent of the smartphone killing off the middle ...
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Record players, Audio receivers, Cassette decks, Ham radios, Speakers, Headphones Realistic was a private label consumer electronics brand produced by RadioShack . Initially only a home audio equipment brand, its product line expanded to include CB radios , walkie-talkies , and video camcorders by the 1980s.
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.
The wire antennas used with crystal receivers are monopole antennas which develop their output voltage with respect to ground. The receiver thus requires a connection to ground (the earth) as a return circuit for the current. The ground wire was attached to a radiator, water pipe, or a metal stake driven into the ground.
Mobile players for physical media have been provided for vinyl records, 8-track tapes, cassette tapes, compact discs, and MP3s.The increased sophistication of the vehicle audio system to accommodate such media has made the audio unit a common target of car break-ins, so these are equipped with anti-theft systems too.