| Re: Waterfalls Hi Mike:
Yes, I quickly put together 5 or 6 filters, including +7 dB of boost at 20Hz, with a bandwidth of 120/60 - to compensate for cuts in the upper bass region, necessitated by a -12dB/octave x-over on my receiver and the fact that I have the same AE-IB -15s (4 in an IB, Fs of 32Hz, stiff spiders) that Chris Bee had before his recent upgrade. Without some boost, my receiver output is too low.
I will post some additional sweeps in a separate thread soon - my furnace is right behind my front wall/IB and it was on during measurements, along with some other stuff.
I am not sure of the relevancy of any readings from the RS meter below 10Hz, but using the curve (according to date stamp data) from the Shack which has factors down to 7Hz, I have output down to 2Hz (96 dB) on the curves shown above, with a dip at 5Hz.
Pete |