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I’ve been happy with my DEI amps and so far have no complaints.  8 months on the DX500, and a month or so on the DX1600.  About 100 watts peak per device, and no complaints.  While that may not be enough to keep some folks happy...I’m good with it.


It takes a lot less drive to reach those levels than I’d have ever guessed.


I wouldn’t expect them to withstand high heat, high drive, or high SWR.  Short of those conditions, all seems to be working fine.