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Hafler
"Robert Morein" wrote in message
... MOSFET amps are the most durable of all solid state amplifiers. They can drive any load without output damage, and if you're reasonably lucky, they will survive a dead short. The MOSFET transistor is now ubiquitous in power switching applications because of it's ruggedness. Really? That's an exceptional claim. Why do you claim MOSFETs amps are any more durable than a bipolar output stage amp? Bipoloar transistors do exihibit secondary breakdown and current hogging/thermal runaway. However, in a competent design both issues can be firmly addressed. Reliability and durability should be no worse than a MOSFET amp. The reason MOSFET output stages are ubiquitous these days is cost and availability. |
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