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In the Forum: Horn-Loaded Speakers
In the Thread: Macondo’s Midbass Project – the grown up time.
Post Subject: The next steps of progress.Posted by Romy the Cat on: 11/8/2010
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Since I change the transformer I picked some harmonics and now I feel that my midbass has a bit too long roll off. I moved the second low pass filter close to the first filter. After a very careful listening and some thinking I ended up with setting of second filter at 130Hz. So, I have a full second order at 107Hz and then buffered first order at 130Hz, or effectively almost a 3rd order. The playback is incredibly sensitive and reacts to a 1dB and to 10Hz of crossover incredibly sharp. It is VERY interesting to set the precise operation of the midbass horn as it is possible to setting its operation incorrectly and to make sound to be better in many aspects better and more enhanced then it is.
I am sure that in the end my horn will be operating properly but as now I see a problem with my configuration. The demands of going over second and half order crossover made me to feel time delay on midbass. So, I in way with 18dB per octave am losing my time alignment. I still think how to deal with the problem…
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