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<blockquote data-quote="Jack Arnott" data-source="post: 25070" data-attributes="member: 304"><p>Re: Crossover design choice - seeking your input!</p><p></p><p></p><p></p><p> </p><p>Hello Jeff, All</p><p></p><p>I think one of the points that is being missed here is that passive networks do things that you can't do with active/digital processing. So if you have a single channel of DSP, and the passive is doing one thing on one side (lows) around the crossover point, and it is doing another around the crossover point on the other channel (highs), trying to cover this with one channel of DSP will not do. Also, there are zobel networks (someone stop me in my tracks and correct all my misinformation here please, I am not the one that knows this) that work on impedance matching. My understanding is that it goes about solving things from the opposite end, or in a different direction. Instead of just tweaking EQ, it tweaks impedance, which in turn changes how the speaker is reacting in its environment. (Again, if someone could clear this up it would be great.)</p><p></p><p>I also am guessing that if you asked Ivan what the crossover points are on Danley products that he would humm and haw as it is not as clear cut in extreme passive world. As in, it is more flexible, more prone to being asymetrical, over/under lappin, and slopes affected by EQ. </p><p></p><p>But the point is, the reason to go with a passive network is to use its advantages. To me, if the crossover costs $175, no matter how cheap the smaller version is, it is not worth it to me to have one more thing in the signal chain, and be compromised on performance. </p><p></p><p>Now, once again, I am set for my use. I of course am flying the company flag. So in some regards my decisions are much easier. Both on the component, for that reason, and in how I use it. For the reason that there is only one of me, so I only have to debate the voices in my head, not come to a consensus with a bunch of other people on the internet.</p><p></p><p>And it is easier for me (one person) to figure out my price point, and trade off on cost vs. performance. Which is a huge debate that could never be finished. Even if I can prove without a doubt my product is better than anything out there, the real question is: in the long run, would anything be different if I just showed up with a bunch of JBL V1 Eons?</p><p></p><p>The advantage you have is that you don't have marketing departments to deal with. You are only trying to satisfy yourselves, and your clients. </p><p></p><p>Regards, Jack</p><p></p><p>(Edit) PS, obviously I pay less for my components, but I do not save on passives. So I do not have an advantage over anyone on what I choose to do in that field. You even may be able to save on components if you do a large scale group purchase. And if you pay for consulting on the passive, you can defer it over the whole group.</p></blockquote><p></p>
[QUOTE="Jack Arnott, post: 25070, member: 304"] Re: Crossover design choice - seeking your input! Hello Jeff, All I think one of the points that is being missed here is that passive networks do things that you can't do with active/digital processing. So if you have a single channel of DSP, and the passive is doing one thing on one side (lows) around the crossover point, and it is doing another around the crossover point on the other channel (highs), trying to cover this with one channel of DSP will not do. Also, there are zobel networks (someone stop me in my tracks and correct all my misinformation here please, I am not the one that knows this) that work on impedance matching. My understanding is that it goes about solving things from the opposite end, or in a different direction. Instead of just tweaking EQ, it tweaks impedance, which in turn changes how the speaker is reacting in its environment. (Again, if someone could clear this up it would be great.) I also am guessing that if you asked Ivan what the crossover points are on Danley products that he would humm and haw as it is not as clear cut in extreme passive world. As in, it is more flexible, more prone to being asymetrical, over/under lappin, and slopes affected by EQ. But the point is, the reason to go with a passive network is to use its advantages. To me, if the crossover costs $175, no matter how cheap the smaller version is, it is not worth it to me to have one more thing in the signal chain, and be compromised on performance. Now, once again, I am set for my use. I of course am flying the company flag. So in some regards my decisions are much easier. Both on the component, for that reason, and in how I use it. For the reason that there is only one of me, so I only have to debate the voices in my head, not come to a consensus with a bunch of other people on the internet. And it is easier for me (one person) to figure out my price point, and trade off on cost vs. performance. Which is a huge debate that could never be finished. Even if I can prove without a doubt my product is better than anything out there, the real question is: in the long run, would anything be different if I just showed up with a bunch of JBL V1 Eons? The advantage you have is that you don't have marketing departments to deal with. You are only trying to satisfy yourselves, and your clients. Regards, Jack (Edit) PS, obviously I pay less for my components, but I do not save on passives. So I do not have an advantage over anyone on what I choose to do in that field. You even may be able to save on components if you do a large scale group purchase. And if you pay for consulting on the passive, you can defer it over the whole group. [/QUOTE]
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