Tube DIY Asylum

Do It Yourself (DIY) paradise for tube and SET project builders.

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RE: rolled off at 3800Hz

Posted by PakProtector on March 25, 2017 at 04:39:56:
hey Tre', when I was a wee lad, just learning how to design speaker enclosures, my pop told me of a demo he witnessed. This demo had an impossibly small, impossibly wrong properties, speaker making what appeared to be music down into the low bass. There was actually no low frequency content...the engineers putting on the demo had built a processor to create the harmonics of the LF content, rolling off in a precise slope. The listeners ears heard no LF, but their computers filled in that bit of information for them...

IOW, you can be fooled, either on purpose, or by accident...LOL
cheers,
Douglas