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David McBean
Registered User Joined: 11 January 2008 Status: Offline Points: 54 |
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Calculate the combined power response then select the Tools > Output > Combined menu commands. Adjust the Path slider and press the OK button. Press F9 first if you want to permanently save the path value. In the Loudspeaker Wizard, select the Power, Chamber and Combined options and adjust the Path slider.
Edited by David McBean - 09 July 2020 at 8:39am |
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bob4
Old Croc Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1843 |
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Wow, nice one! I see flared ports
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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yes I have some of the 6" precision sound flares. two of those back to back gives about the right port length.
I'm tweaking the plans to get it out of two sheets of 8'*4'. means making the access hatch out of aluminium and losing a couple of braces. |
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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it took a lot of tweaking but managed to lay it out onto two sheets of ply. will also need 4m of 44mm*144mm planed timber, 1m of 94mm*94m, 475mm*475mm aluminium panel (10mm or 12mm). will try and build it later in the summer.
Edited by snowflake - 26 May 2021 at 4:06pm |
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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B&C 15RBX100 also looks good for this and is half the price of the BMS 15N830v2
must get round to building a prototype!
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Teunos
Old Croc Joined: 23 November 2008 Location: The Netherlands Status: Offline Points: 1799 |
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Have you considered how you are going to mount the drivers in this arrangement?
Attraction/repulsion of the magnets will make assembly a pain especially if using ferrite drivers. |
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Best regards,
Teun. |
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DMorison
Old Croc Joined: 14 March 2007 Location: Aberdeen Status: Offline Points: 1649 |
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The RBX's are not in the current catalogue, so it may be that it'll become unavailable once current stock at sellers is gone.
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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the whole driver baffle will be removable so I can mount the driver on the baffle before putting it into the speaker. bolts connecting baffle to the box can be positioned to make it easier to tighten the bolts. Rear panel and front panel are removable. I was imagining turning the box on one side and bolting down one driver, then flipping it 180 degrees and sliding the the other driver in underneath it and bolting it down. magents won't overlap that much but will only be 15mm clearance at one point. maybe I should cover the first with something if there is any danger of them attracting each other and chipping the magnets.
Edited by snowflake - 04 September 2020 at 1:37pm |
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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with B&C 15RBX100 driver. theres slightly more clearance than shown as the edge of the magnet is angled. EDIT: looks like B&C have recently discontinued the 15RBX100 Edited by snowflake - 04 September 2020 at 2:32pm |
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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Beyma 15LEX1600Nd and B&C 15SW100 will both outperform the BMS and are cheaper. Confirmed they will fit after getting more detailed drawings with magnet dimensions.Also Beyma 15LEX1600Fe - slightly enlarged rear chamber so that it will fit with 10mm clearance between magnets.
15LEX1600Nd highest output, lightest 20mm clearance between magnets 373mm 15SW100 (8R and 4R) 10mm clearance 374mm bolts 15mm flange LF15X401 loads of clearance between magnets (no demodulating ring) 371-376mm 15mm flange 15LEX1600Fe cheapest to buy 10mm clearance 373mm 16mm flange inc. gasket 15TBW100 (8R and 4R) cheapest recones, heaviest, 5mm clearance 374mm 14mm flange LaVoce WAF154.00 and WAN154.00 (373mm) but not readily available in UK
Edited by snowflake - 09 June 2021 at 4:43pm |
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snowflake
Old Croc Joined: 29 December 2004 Location: Bristol Status: Offline Points: 3122 |
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finally building it
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concept-10
Young Croc Joined: 17 May 2016 Status: Offline Points: 1293 |
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Excellent news. Looking forward to it 😀
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