AVS Addicted Member
Join Date: Nov 2006
Location: Colorado Springs, CO
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As you say, few receivers claim 4 ohm operation.
It's suggested to NOT use the 6 ohm switch, as that will limit power.
So the question is whether the receiver can handle 4 ohm speakers. Some will tell you there's never a possibility of problems. Some will tell you a receiver like the one you mention can handle them just fine if you give it proper ventilation ( as is explained in the receiver's manual.)
Some cheaper receivers are likely bad choices because they don't have a good enough power supply and design to handle them.
If you do get a receiver like the one you mention, with 4 ohm speakers, the worst case scenario, I think, is to play music loudly. That stresses the receiver more than movies. And at moderate volumes, it's likely not an issue.
"But this one goes up to 11"