JohnA Posted January 12, 2018 Share Posted January 12, 2018 Is there any way to guestimate the 8 ohm output from a 4 ohm rating of a Class D amp? I bought an Acoustic B300HD bass head. It's rating is 300 watts into 4 ohms. Most of the time I will drive an 8 ohm cabinet with it. It is loud enough to pace my brother's AC15 or 15 watt kit amp. I'm not sure whether it will play with his AC30. What could I expect it to put into 8 ohms? Acoustic customer service was no help. Quote Link to comment Share on other sites More sharing options...
CECAA850 Posted January 12, 2018 Share Posted January 12, 2018 In a perfect world, 150 watts. Not knowing what you're working with, 100-150? Quote Link to comment Share on other sites More sharing options...
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