GaN Systems is claiming up to 96% power efficiency from a 200 + 200W (8Ω) Class-D stereo amplifier built around its gallium nitride power transistors. THD+N is under 0.03%, with further optimisation possible, according to the company. 300W/channel is available into 4Ω. Called the GeN2 Amplifier, the evaluation kit comes with a matching 400W (550W peak) LLC ...
This story continues at 200W/channel GaN Class-D audio amp eval board, and a matching PSU
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