Monday, May 11, 2020

Nest Theater Part Nine - New Audio Path Perfections 11May20

I came to Summit to fish and mess with the audio system. It was snowing in Summit after Hoosier Pass. I wasn't really satisfied with the NestT audio as last installed - I seemed to not benefit sufficiently from the Viawave super-tweeters, and the Hsu sub was hard to control. So I revised the audio paths once again; this time I am employing a separate solid state amp to drive the super-tweeters and feed line level to the subwoofer (which has its own amp). It worked and now sounds gr8! I have solid response out to about 20KHz and the sub-bass is much better controlled. In the1st graph the green sweep is the prior line without sub & super-tweeters which the red sweep is as the system is now: note both the high end and sub-bass improvements. It took some tweaking with volume levels but the new scheme is much improved. The downside is I need to adjust two volume levels when I boot it all up. The 2nd graph shows the equalized sweep which matches the house curve well now from 15Hz-20KHz. Sure I stopped at ORB for my May Summit Club allotment of Amenities - yummy.

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