Originally Posted by BrianG (Post 239758)

I must have missed your response JT. Yeah, a car amp heatsink would work, but still not nearly big enough for 1850w. Even a large 1000w rms car amp only has to dissipate ~600w (class AB amps are around 60% efficient), which is one third the power that I would need to. And amps don't run at their max power constantly, unless you like listening to sine waves, so actually it is dissipating probably around 200-300w. So, I would definitely need a really big sink AND fan setup for this!