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Have you seen any tests on newer receivers?

Posted by Sean (A) on November 10, 2004 at 14:57:36

In Reply to: If the speakers dip into the 2ohm range once in awhile, I'd say you are right. posted by bwkendall on November 10, 2004 at 11:39:34:

They are HORSE-SHIT !!! Some receivers produce LESS power at 6 ohms than they do at 8 ohms!!! What do you think they are doing with a speaker that dips to 4 ohms or below??? From what i've seen, they shit their pants and shut down, especially if you have ANY type of volume on them. Compared to yester-year, old "vintage" receivers are built like tanks compared to what they are producing today. Now more than ever the saying about "going the route of separates for best performance" is oh-so true.

Below are actual test results of various receivers. HT industry standard is now 6 ohms, so they test the output at 8 ohms to satisfy the old 2 channel crowd and then again at 6 ohms. Used to be a few years ago, all the receivers would increase output at 6 ohms but start to nosedive sharply with a 4 ohm load due to lack of power supply and under-designed output stage. Now they dont' even test them at 4 ohms as most designs can't even cope with 6 ohm loads. With results like this below, can you imagine what you would get if trying to run 4 ohm speakers or speakers with big impedance swings???

Yamaha RX-V450 84 wpc @ 8 / 64 wpc @ 6 ohms

Yamaha RX-V650 126 wpc @ 8 ohms / 73 wpc @ 6 ohms

Sony STR-DE897 125 wpc @ 8 / protection mode @ 6 ohms

Sony STR-DE697 130 wpc @ 8 / protection mode @ 6 ohms

Pioneer VSX-D914K 143 wpc @ 8 / 75 wpc @ 6 ohms

Pioneer VSX-D514K 135 wpc @ 8 / 74 wpc @ 6 ohms

Kenwood VR-8050 128 wpc @ 8 / protection mode @ 6 ohms

JVC RX-7042S 140 wpc @ 8 / protection mode @ 6 ohms

JVC RX-6040B 94 wpc @ 8 / protection mode @ 6 ohms

The only receivers that i see worth buying, and this is only if you HAVE to go that route, are Denon's, Onkyo's and Panasonic's. All of these actually increase at 6 ohms and can deal with a 4 ohm load reasonably well. All the others are gutless wonders. Obviously, the HK gear falls into the "gutless wonder" category too. Yamaha's used to be decent, but no more. Sean
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