ESW1018 / MEGATON MT18 for LF18N405 modification

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   Hello,Could someone be so kind and help me by advising diamensions of BR port for LF18N405 speaker in ESW1018/MT18 cabinet? Important for me is outside diamensions 80x60x60, if I compare this plans there are difference but I don't know how much impact they have, which will be better for my driver? Or what diamensions would be best?

https://loudspeakerdatabase.com/RCF/LF18N405
https://obrazki.elektroda.pl/6635122300_1719235024.jpg
https://www.repromania.net/fotografie/projekty-pa/sub-mt18sub-bc-18pzb46/sub-18-mt18sub.pdf

Thanks!

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moyojojo Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 25 May 2011 Status: Offline Points: 10	Post Options Post Reply Quote moyojojo Report Post Thanks(0) Quote Reply Topic: ESW1018 / MEGATON MT18 for LF18N405 modification Posted: 28 June 2024 at 6:11am
	Hello, Could someone be so kind and help me by advising diamensions of BR port for LF18N405 speaker in ESW1018/MT18 cabinet? Important for me is outside diamensions 80x60x60, if I compare this plans there are difference but I don't know how much impact they have, which will be better for my driver? Or what diamensions would be best? https://loudspeakerdatabase.com/RCF/LF18N405 https://obrazki.elektroda.pl/6635122300_1719235024.jpg https://www.repromania.net/fotografie/projekty-pa/sub-mt18sub-bc-18pzb46/sub-18-mt18sub.pdf Thanks!

smitske96 Members Profile Send Private Message Find Members Posts Add to Buddy List Young Croc Joined: 16 February 2016 Location: The Netherlands Status: Offline Points: 1217	Post Options Post Reply Quote smitske96 Report Post Thanks(0) Quote Reply Posted: 28 June 2024 at 11:18am
	The ESW is not really a BR (look at the impedance graph on the event series pdf). I think you are ok with the original ESW design. Standard it used the L18S800/801. They are quite close spec wise. The 800 will have a bit higher sensitivity (mostly higher up) but the 405 has more linear excursion.