A 100 W Class B amp sitting at idle draws almost nothing and barely warms its heatsink. Feed the same circuit into a 4 ohm speaker and run it at one watt, and a notch appears right where the waveform...
Put your hand on the back of a 500 W powered speaker after an hour of playback. A Class A or Class AB design is usually too hot to touch; a Class D amplifier is often just warm. That one difference e...
Which Class Amplifier Is Best for Sound Quality? The Short Answer A product team is finalizing a 12-inch two-way powered speaker. One prototype uses a 500 W Class D module with PFC and LLC resonant p...
A 500 W Class D amplifier module and a similar-power Class AB module dropped into the same 12-inch powered speaker behave very differently before anyone even starts talking about sound. The Class D b...
Short answer: the amplifier class used for subwoofers is Class D in nearly every powered design built today between roughly 200 W and 3 kW. Class AB still makes sense below about 150 W and in some h...
Putting a 500-watt subwoofer into a cabinet forces one specification decision before anything else: which amplifier class will drive the output stage. That single choice determines heat sink mass, po...
You've saved up for a decent car audio upgrade, and the choice has come down to two four-channel amplifiers with nearly identical power ratings. One is a compact Class D unit. The other is a heavier ...
When a powered speaker manufacturer evaluates amplifier platforms, every option carries a trade-off. Class AB is proven but runs hot, Class D is efficient but introduces switching artifacts, and Clas...
Specify a 500 W Class AB stage for a sealed powered speaker and you take on roughly 400 W of waste heat inside a cabinet the size of a carry-on bag. Specify a Class D module for the same 500 W and th...
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