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<blockquote data-quote="Peter Morris" data-source="post: 212067" data-attributes="member: 652">Whatever you use I would try to select a new driver that has been designed with the use of Klippel measurements and FEA to optimise the magnet assembly.The improvement in linearity of some of these modern drivers can mean that a new 12” will offer the LF performance of some old 15” drivers.Here are a couple of examples – I have not heard the Beyma but it looks good on paper.Bennett may be able to add some more info about some of the new drivers from B&amp;C<a href="https://www.beyma.com/getpdf.php?pid=12MC700Nd" target="_blank">https://www.beyma.com/getpdf.php?pid=12MC700Nd</a><a href="https://bcspeakers.com/en/products/lf-driver/12-0/8/12ndl88-8" target="_blank">https://bcspeakers.com/en/products/lf-driver/12-0/8/12ndl88-8</a><a href="https://www.audioxpress.com/article/Test-Bench-B-C-Speakers-12NDL88-12-Woofer" target="_blank">https://www.audioxpress.com/article/Test-Bench-B-C-Speakers-12NDL88-12-Woofer</a></blockquote>

[QUOTE="Peter Morris, post: 212067, member: 652"] Whatever you use I would try to select a new driver that has been designed with the use of Klippel measurements and FEA to optimise the magnet assembly. The improvement in linearity of some of these modern drivers can mean that a new 12” will offer the LF performance of some old 15” drivers. Here are a couple of examples – I have not heard the Beyma but it looks good on paper. Bennett may be able to add some more info about some of the new drivers from B&C [URL]https://www.beyma.com/getpdf.php?pid=12MC700Nd[/URL] [URL]https://bcspeakers.com/en/products/lf-driver/12-0/8/12ndl88-8[/URL] [URL]https://www.audioxpress.com/article/Test-Bench-B-C-Speakers-12NDL88-12-Woofer[/URL] [/QUOTE]

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