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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: And it measures .... posted by BKing on October 28, 1999 at 17:13:58:
I have heard one of the older Fried designs back in the 80's. I wasn't into critiquing speakers then so I don't remember much except it was one of the better sounding speakers I had heard up until then. As to CALSOD doing series, nope, it won't. It apparently is seeing it as a mislabled node numbering. There is really no reason to have to use CALSOD with a series. They are that simple. Once you get your inductor value which is basically the same for a 1st order Butterworth, you just play with the cap value to get the desired results. I start out with a cap value equaling the inductor value, (inductor=.43mH - cap= 4uF) and then start raising the cap value by a uF at a time. For the two speakers I have done this on, so far both have resulted in the cap value being double the inductor value. Don't know if this is a trend or it just worked out this way. I am anxious to redo the Newform ibbons and SS 8530 split-cone and see if this holds out. Shane, who I built them for has brought them back down for me to try a series on. So far too, the need for a zobel has disappeared. The only pitfall is tweeter attenuation. You can not put a resistor in series, because it seems to change impedances and response drastically. It needs to be a parallel resistor.Clayton
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Follow Ups
- Re: And it measures .... - Clayton Oxendine 10:54:36 10/29/99 (1)
- Re: And it measures .... - Jon Risch 06:38:34 10/31/99 (0)
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