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Behringer is an audio equipment company founded by the Swiss engineer Uli Behringer on 25 January 1989 in Willich, Germany. Behringer produces equipment including synthesizers, mixers, audio interfaces and amplifiers. Behringer is owned by Music Tribe (formerly Music Group), a holding company chaired by Uli Behringer. [1]
Audio stereo power amplifier made by McIntosh The internal view of a Mission Cyrus One 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.
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For most audio applications more power is needed at low frequencies. This requires a high-power amplifier for low frequencies (e.g., 200 watts for 20–200 Hz band), lower power amplifier for the midrange (e.g., 50 watts for 200 to 1000 Hz), and even less the high end (e.g. 5 watts for 1000–20000 Hz).
The rise time, t r, of an amplifier is the time taken for the output to change from 10% to 90% of its final level when driven by a step input. For a Gaussian response system (or a simple RC roll off), the rise time is approximated by: t r * BW = 0.35, where t r is rise time in seconds and BW is bandwidth in Hz.
Total system power refers to the total power consumption of the unit, rather than the power handling of the speakers or the power output of the amplifier. This can be viewed as a somewhat deceptive marketing ploy, as the total power consumption of the unit will of course be greater than any of its other power ratings, except for, perhaps, the ...
It is based on a series of tests conducted by the drug’s manufacturer, or “sponsor”—first on animals, then usually on humans over three increasingly stringent phases. All the steps along the way, which can take three to 10 years, are done in close consultation with the FDA, which reviews the testing data that the sponsor submits.
A paralleled configuration of two amplifier channels delivers the same power and halves dissipation. So when both configurations are combined on a set of four single-ended amplifiers, the power output is increased four-fold but the power dissipation of each constituent amplifier is not increased, and thermal issues are easier to handle.
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