The letter D used to designate this amplifier class is simply the next letter after C, and does not stand for Digital. Class D and Class E amplifiers are sometimes mistakenly described as "digital" because the output waveform superficially resembles a pulse-train of digital symbols, but a Class D amplifier merely converts an input waveform into a continuously pulse-width modulated (square wave) analog signal. (A digital waveform would be pulse-code modulated.)
I have always wondered if that is why they started skipping around after that. Class T is a trademark of TriPath company, which manufactures audio amplifier ICs. This new class "T" is a revision of the common class D amplifier, but with changes to ensure fidelity over the full audio spectrum, unlike traditional class D designs. It operates at a frequency of 650 kHz, with a proprietary modulator. I think the future holds an amplifier that can do 500 watts, stay cool, satisfy an audiophile, and be Class A for the first 25 watts with clean Class D for the rest. The Class AD amplifier. -- iPhone ------------------------------------------------------------------------ iPhone's Profile: http://forums.slimdevices.com/member.php?userid=13622 View this thread: http://forums.slimdevices.com/showthread.php?t=39504
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