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B&C coaxials
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<blockquote data-quote="Peter Morris" data-source="post: 140988" data-attributes="member: 652"><p>Re: B&C coaxials</p><p></p><p></p><p></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">To see why one is positive and the other negative you probably need to model or measure everything, but it will be to do with the different phase response of the components; in particular the crossover.</span></span></span></p><p> <span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">The crossovers while fundamentally similar have quite different component values and as such will have different phase responses. The phase response of the 12” and 15” will also be different at the crossover point. I assume the physical time alignment between the horn and LF driver will be the same for both drivers ... but it may not be.</span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'"></span></span></span></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Calibri'">It’s a compromise to get the LF and HF to sum nicely, but I suspect B&C have found quite a good one. </span></span></span></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 140988, member: 652"] Re: B&C coaxials [FONT=Calibri][SIZE=3][COLOR=#000000]To see why one is positive and the other negative you probably need to model or measure everything, but it will be to do with the different phase response of the components; in particular the crossover. [/COLOR][/SIZE][/FONT] [FONT=Calibri][SIZE=3][COLOR=#000000]The crossovers while fundamentally similar have quite different component values and as such will have different phase responses. The phase response of the 12” and 15” will also be different at the crossover point. I assume the physical time alignment between the horn and LF driver will be the same for both drivers ... but it may not be.[/COLOR][/SIZE][/FONT] [SIZE=3][COLOR=#000000][FONT=Calibri] It’s a compromise to get the LF and HF to sum nicely, but I suspect B&C have found quite a good one. [/FONT][/COLOR][/SIZE] [/QUOTE]
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