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Ward-Beck Systems commonly referred to as Ward-Beck or simply WBS, is a Canadian manufacturer of broadcast audio and video equipment.It was founded in a garage in April 1967 by Ron W. Ward and director of engineering, Rodger K. Beck. [1]
ECLL800 – Triode and dual screened power pentode, for 9.2 W or 8.5 W AF push-pull power amplifiers. The triode shares its control grid with the 1st pentode and acts as a phase inverter for the 2nd pentode; both pentodes share screen and suppressor grids; noval base
The frequency range is 30 MHz to 390 MHz. AM and FM modes enabling compatibility with airborne units in the 118 MHz - 149.975 MHz and 225 MHz - 390 MHz aircraft radio bands. Unusually for a military radio, it can also work in duplex modes. Power settings are 2 watts on low power and 7 watts on high. It has interfaces for GPS.
Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus 1 Hi Fi integrated audio amplifier (1984) [1]. An audio power amplifier (or power amp) amplifies low-power electronic audio signals, such as the signal from a radio receiver or an electric guitar pickup, to a level that is high enough for driving loudspeakers or headphones.
In 1994 Karsten Nielsen began to write a Ph.D. dissertation "Audio Power Amplifiers Techniques Based on Efficient Power Conversion" [2] at the Technical University of Denmark as part of a project in collaboration with Bang & Olufsen; his findings were applied in the Beolab 1 active loudspeakers in 1997, and he was awarded a Ph.D. in 1998.
In late 1983, HH Electronics launched the Tiger microcomputer, the design of which having been acquired from Tangerine Computer Systems, featuring a Zilog Z80 processor equipped with 64 KB of RAM for running the CP/M operating system, a Motorola 6809 processor with 2 KB of RAM for input/output control, and a NEC 7220 video controller with 96 KB of RAM supporting 80-column, 40-column and ...
The family of Tennessee death row inmate Gary Wayne Sutton held a press conference asking Gov. Bill Lee to examine the case for a potential pardon.
Kenwood's series of "Integrated Amplifier" stereo power amplifiers, launched in 1977 and produced through the mid-1980s. The design for most of these products feature a true dual-mono path for stereo output (no electrical components are shared between left- and right-channel amplification).