Class J Amplifier

stephgirl
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So i was watching a video on YouTube about CES show and in the far background of the video was Earthquake Sound. Humm I remember them.
I have not heard of them in years. So curious I looked them up and I found they had a class J amplifier.


So anyone know anything about them lately or have any experience with them and what is a class J amplifier?? Earthquake say they are real efficient amps
 
Don't know, but it's not new. Their big mono's have been called class J for at least a few years.

Class J doesn't look to me like it's an actual amplifier classification. Just something they came up with to sound special when talking about their big class D's.
 
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