Originally posted by charlie:
A very inefficient speaker will convert 1 watt of power into about 85 decibels at 1 meter. 10 watts per channel should be way over reference level in any reasonable sized room.
Sure, if you sit 1 meter away from your speakers
For a few more theoretical numbers try this calculator instead, it's more fun:
Peak SPL Calculator It would be interesting to know what the power rating of the 1070 on a 4ohm load with the 4/8ohm switch in the 8ohm position is.