Amp protection lights on

[PWRmx24]

Interesting comment by Gene Delasrio in his review of LBM speakers.......
"Class-A/B may not be quite as efficient as class-D, but it is more reliable on the whole, and with such a massive heatsink, it looks like a unit that was built to last."

 

[TLS Guy]

Interesting comment by Gene Delasrio in his review of LBM speakers.......
"Class-A/B may not be quite as efficient as class-D, but it is more reliable on the whole, and with such a massive heatsink, it looks like a unit that was built to last."

Looks can be deceiving. Those amps are not particularly long lived, because of design problems. Class A/B amps are not inherently longer lived than class D.