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In Reply to: RE: 50w powering gunned 1.6s, am I crazy? posted by Green Lantern on May 15, 2016 at 07:35:39
That's a "great" review? John found numerous less-than-good measurements relative to decent amplifiers.
You need only look at Figure 1 of his testing to rule it out as a serious amplifier for a serious music system.
Dave.
Follow Ups:
I think the big 50hz bump is the key to understanding why it is so popular. It gets you to run the system at a lower volume. Most mini monitors and low priced speakers have falling output below 60-80hz so listeners tend to lift overall volume to get above the threshold bass levels for sufficient bass content, by getting the small speaker response combined with the sprout you get enough bass without having to play that loud overall.
Not legit but effective. The HD dirt in the amp is also not a positive but the levels are low enough for the most part and IMD is actually better than it used to be for cheap class D amps.
That said I do not at all understand from these measurements why the amp would sound good.
I don't think the bass bump (it's actually not at 50Hz) is really the primary issue. Actually it's the extreme high-pass filter characteristic below that.
A legitimate full-range system like the 1.6's mated with an amplifier with this characteristic is nonsensical.
That type of bass-boost nonsense is what they used to do thirty years ago to fake people into thinking their speakers had more bass than they really do.
I'm not a fan of PSAudio and this is a perfect example why. :)
Dave.
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