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<blockquote data-quote="helotaxi" data-source="post: 4800731" data-attributes="member: 550915">In the case of your example there, it wouldn&#039;t matter at all and I&#039;d buy whichever one was produced and suited my need.&nbsp; You can actually prove mathematically that the T/S parameters of a sub don&#039;t change when the coils are wired in series or parallel.&nbsp; Power distribution between the coils is the same either way as well.&nbsp; The only difference is the load presented to the amp.Plenty of companies make D1 subs, BTW.D4 sub wired in parallel to 200w (easy math) would be 20v 10A total or 20v and 5A per coil.D1 wired in series would be 20V 10A total, 10V 10A per coil.When on the same former, connected to the same cone and getting the same signal, the coils of a sub, regardless of how many there are act as a single coil.&nbsp; Wiring them in series or parallel only changes the load to the amp.&nbsp; There are some trick that you can play powering only one of hte coils, but those are best left ot people who know exactly what they&#039;re doing and are trying to achieve a specific result.</blockquote>

[QUOTE="helotaxi, post: 4800731, member: 550915"] In the case of your example there, it wouldn't matter at all and I'd buy whichever one was produced and suited my need. You can actually prove mathematically that the T/S parameters of a sub don't change when the coils are wired in series or parallel. Power distribution between the coils is the same either way as well. The only difference is the load presented to the amp. Plenty of companies make D1 subs, BTW. D4 sub wired in parallel to 200w (easy math) would be 20v 10A total or 20v and 5A per coil. D1 wired in series would be 20V 10A total, 10V 10A per coil. When on the same former, connected to the same cone and getting the same signal, the coils of a sub, regardless of how many there are act as a single coil. Wiring them in series or parallel only changes the load to the amp. There are some trick that you can play powering only one of hte coils, but those are best left ot people who know exactly what they're doing and are trying to achieve a specific result. [/QUOTE]

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