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Original Message
RE: Perhaps you refer to
Posted by jad on December 13, 2016 at 20:58:54:
When most of us can't hear above 10k it doesn't mean we can't hear above 10k. It simply means we can't hear 10k at the db level of the 2k-5k frequencies. This is shown in the Fletcher-Munson curves are is exaggerated as we age. If we boost the level at 10k we can hear it. So even though the super tweeter might be -7.5db down or more within the hearing range and rising to 0 or plus db at our crossover frequency which might be out of our hearing range, we are still adding (tweeter plus super tweeter) to the db level within the upper limits of the hearing range (rising from 5k to 15k) while not adding to the 2k-5k range. In other words by adding a super tweeter, aren't we providing a hf boost within our range of hearing and flattening the hf curve? Even if we have not truly flattened the frequency curve we have added to it which is something we will hear and the extent of what we hear will depend on not only the crossover frequency providing the additive curve, but our own hearing range.