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Low Earth Orbit
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New DIY Mid High (90deg) - AKA PM90
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<blockquote data-quote="Peter Morris" data-source="post: 133838" data-attributes="member: 652"><p>Re: New DIY Mid High</p><p></p><p></p><p></p><p><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">The short answer to all your comments is – Yes.</span></span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">3-way / 2-way.</span></span></span></strong></p><p><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">The options are a passive crossover for the 4594HE or use one of the new 4 inch diaphragm compression drivers such as :B&C - DE1080TN, RCF - ND950 1.4, 18sounds - NSD4015N, Beyma CP855nd and Radian’s 951BP.</span></span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">Someone may be able to provide some advice as to which would be the best. It needs to operate from about 700Hz up.</span></span></span></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></strong></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">Flying Hardware.</span></span></span></strong></p><p><span style="font-size: 12px"><span style="font-family: 'Arial'"><span style="color: #000000">I’m looking at some simple options from Penn Elcom </span></span><span style="color: black"><span style="font-family: 'Arial'">in combination with some aluminum bracing that ties the top and bottom to the sides. I think the limit for a DIY in this case would be 2 boxes deep. The hard ware has to be rated and "off the shelf". - I'm not sure a DIY should even go beyond these comments.</span></span></span></p><p><span style="font-family: 'Arial'"><a href="http://www.penn-elcom.com/default.asp?MC=01180101" target="_blank"><span style="font-size: 12px"><span style="color: #0000ff">http://www.penn-elcom.com/default.asp?MC=01180101</span></span></a></span></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000"></span></span></span></strong></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">Subs </span></span></span></strong></p><p><span style="font-size: 12px"><span style="color: #000000"><span style="font-family: 'Arial'">There is a plan for a double 21 ( B&C 21SW152) to go with this box. If you want a double 18 I would suggest that Luke’s design on this site looks good </span><span style="font-family: 'Wingdings'"><span style="font-family: 'Wingdings'">J</span></span></span></span></p><p></p><p><strong><span style="font-family: 'Arial'"><span style="font-size: 12px"><span style="color: #000000">Stacking</span></span></span></strong></p><p><span style="font-size: 12px"><span style="font-family: 'Arial'"><span style="color: #000000">One of the things I’m looking at is a way that two people can stack one of these boxes on a sub with an extension pole. Perhaps with a yoke like TW Audio’s </span></span><span style="color: #3e3e3e"><span style="font-family: 'Arial'">T24n uses.</span></span></span></p><p></p><p><strong><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px">Arraying</span></span></span></strong></p><p><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px">The initial idea was not to array these boxes, just build a super powerful speaker on a stick. After listening to some of the comment here, perhaps I should look further. I think the answer is to use an eighteen sound XT1464 horn or maybe the XR version. It would also be an advantage if the box could be made trapezoidal … but that will make it difficult to build as a DIY project.</span></span></span></p><p><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px"><strong></strong></span></span></span></p><p><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px"><strong>Processing </strong></span></span></span></p><p><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px"><strong></strong>I think there are lots of options, it just depends on how far you want to push the envelope. I don't think it will need FIR filters to make it work. </span></span></span></p><p><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px"></span></span></span></p><p><span style="color: #3e3e3e"><span style="font-family: 'Arial'"><span style="font-size: 12px">I should also say that the reason I put this one the board when it was just a prototype was to obtain input form everyone in the hope that it would make the fineal box better. Its all helpful ... so thank you to everyone so far</span></span></span></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 133838, member: 652"] Re: New DIY Mid High [FONT=Arial][SIZE=3][COLOR=#000000]The short answer to all your comments is – Yes. [/COLOR][/SIZE][/FONT] [B][FONT=Arial][SIZE=3][COLOR=#000000]3-way / 2-way.[/COLOR][/SIZE][/FONT][/B] [FONT=Arial][SIZE=3][COLOR=#000000]The options are a passive crossover for the 4594HE or use one of the new 4 inch diaphragm compression drivers such as :B&C - DE1080TN, RCF - ND950 1.4, 18sounds - NSD4015N, Beyma CP855nd and Radian’s 951BP. [/COLOR][/SIZE][/FONT] [FONT=Arial][SIZE=3][COLOR=#000000]Someone may be able to provide some advice as to which would be the best. It needs to operate from about 700Hz up.[/COLOR][/SIZE][/FONT] [B][FONT=Arial][SIZE=3][COLOR=#000000] Flying Hardware.[/COLOR][/SIZE][/FONT][/B] [SIZE=3][FONT=Arial][COLOR=#000000]I’m looking at some simple options from Penn Elcom [/COLOR][/FONT][COLOR=black][FONT=Arial]in combination with some aluminum bracing that ties the top and bottom to the sides. I think the limit for a DIY in this case would be 2 boxes deep. The hard ware has to be rated and "off the shelf". - I'm not sure a DIY should even go beyond these comments.[/FONT][/COLOR][/SIZE] [FONT=Arial][URL="http://www.penn-elcom.com/default.asp?MC=01180101"][SIZE=3][COLOR=#0000ff]http://www.penn-elcom.com/default.asp?MC=01180101[/COLOR][/SIZE][/URL][/FONT] [B][FONT=Arial][SIZE=3][COLOR=#000000] Subs [/COLOR][/SIZE][/FONT][/B] [SIZE=3][COLOR=#000000][FONT=Arial]There is a plan for a double 21 ( B&C 21SW152) to go with this box. If you want a double 18 I would suggest that Luke’s design on this site looks good [/FONT][FONT=Wingdings][FONT=Wingdings]J[/FONT][/FONT][/COLOR][/SIZE] [B][FONT=Arial][SIZE=3][COLOR=#000000]Stacking[/COLOR][/SIZE][/FONT][/B] [SIZE=3][FONT=Arial][COLOR=#000000]One of the things I’m looking at is a way that two people can stack one of these boxes on a sub with an extension pole. Perhaps with a yoke like TW Audio’s [/COLOR][/FONT][COLOR=#3e3e3e][FONT=Arial]T24n uses.[/FONT][/COLOR][/SIZE] [B][COLOR=#3e3e3e][FONT=Arial][SIZE=3]Arraying[/SIZE][/FONT][/COLOR][/B] [COLOR=#3e3e3e][FONT=Arial][SIZE=3]The initial idea was not to array these boxes, just build a super powerful speaker on a stick. After listening to some of the comment here, perhaps I should look further. I think the answer is to use an eighteen sound XT1464 horn or maybe the XR version. It would also be an advantage if the box could be made trapezoidal … but that will make it difficult to build as a DIY project. [B] Processing [/B]I think there are lots of options, it just depends on how far you want to push the envelope. I don't think it will need FIR filters to make it work. I should also say that the reason I put this one the board when it was just a prototype was to obtain input form everyone in the hope that it would make the fineal box better. Its all helpful ... so thank you to everyone so far[/SIZE][/FONT][/COLOR] [/QUOTE]
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