![]() ![]() ![]() This amplifier has the ability to charge the gate either up or down. A push-pull amplifier operating in Class A drives each output device. The stereo D-200 utilizes two of these single MOSFETs per channel, one on the positive rail and one on the negative rail. The MOSFET used in the D-200 was originally for use in switch-mode power supplies and is capable of handling more than 500 watts and passing a peak current of more than 300A. According toGamuT, the result is that the fine details found in music can be lost. As a result the signal that is produced is a mixture of the signals from all the parallel-coupled transistors. The major drawback to this design philosophy is that no matter how hard you try you are never able to completely match the transistors. Previously, most high power amplifiers made use of multiple transistors operated in a parallel fashion to produce their rated power. D anish designer Ole Lund Christianson's Gamut D-200 amplifier differs from its competitors in the high power sweepstakes in its use of a single high power MOSFET to produce its rated power. ![]()
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