Home Speaker Asylum

General speaker questions for audio and home theater.

Has to do with UL testing procedures...

At least that's what I've heard from some manufacturers. Apparently, the UL testing criteria for driving 4 ohm loads are pretty tough for a receiver to pass. Rather than jeopardizing their UL rating (no prob with 6/8 ohm cert), manufacturers choose to drop the 4 ohm testing even though real-world operation at 4 ohm is not a problem.

Austin


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