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The square wave is filtered into a clean sine wave to minimise motor vibration, and amplified to 120 V to feed the turntable. [ 22 ] The Cirkus upgrade ( Introduced: 1993 ) The Cirkus kit aims to provide the LP12 with greater stability and ensure the bearing sits perfectly true to the chassis, through a redesigned bearing and stronger sub ...
The Technics SL-1200 [1] is a series of direct-drive turntables manufactured from October 1972 to 2010, with production resuming in 2016, by Matsushita Electric (now Panasonic Corporation) under the brand name of Technics.
The AT-LP120 was intended to be a viable replacement for the long-running Technics SL-1200 series of turntables that was set to be discontinued in 2010. It supports both phono and line-level output, [2] using a built-in preamplifier. The turntable also has the ability to dub records directly to a computer in real-time using a USB connection.
In a direct-drive turntable the motor is located directly under the center of the platter and is connected to the platter directly. It is a significant advancement over older belt-drive turntables for turntablism, since they have a slower start-up time and torque, and are prone to wear-and-tear and breakage, [5] as the belt would break from backspinning or scratching. [6]
Norwegian Radio had requested phantom-powered operation. Since NRK already had 48-volt power available in their studios for their emergency lighting systems, this voltage was used for powering the new microphones (model KM 84), and is the origin of 48-volt phantom power. This arrangement was later standardized in DIN 45596.
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.
Sota, a 1999 EP by Horna Sota (playing card) , the equivalent of the Jack or Knave in Spanish-suited playing cards Summits On The Air , an awards program for radio amateurs operating from mountainous locations
For power circuits, the color-coding uses the same colors as residential construction, and adds the additional wires used for three-phase systems. Black, Red and Blue are used for hot wires and White is used as the neutral wire in a 120/208 V circuit. Brown, Orange and Yellow are used as hot wires and gray is used as the neutral wire in a 277/ ...