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Author Topic: Push pull double 18  (Read 26091 times)

Kyle R Forbes

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Re: Push pull double 18
« Reply #80 on: September 05, 2019, 12:14:44 pm »

I hope to post some cut sheets to get the most out of a 4' X 8' sheet. I'm pretty excited to make a (hopefully) positive contribution as a newbie/weekend warrior ;D

Thanks Mark!
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Rolando Saenz

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Re: Push pull double 18
« Reply #81 on: January 28, 2020, 05:58:01 pm »

Hi all, PDF plans for the sub can be found at the link below.
Courtesy of forum member Kyle Forbes ! :)

There isn't any internal bracing shown, which is obviously needed. 
Different folks like to go to different lengths with bracing, so it's left up to you.
Kyle made nice handle locations/drawings.  More handles always help, huh
I just used two handles up high in the back side corners, which gets bye, but only because
the box is  easy to handle since the driver weight is centered.


https://drive.google.com/file/d/1fgvpuvMumpqZhwfjS32CkI1obfxhYBOt/view?usp=sharing

Hey Mark,
what 18" drivers you can use on your box
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Mark Wilkinson

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Re: Push pull double 18
« Reply #82 on: January 31, 2020, 07:58:06 am »

Hey Mark,
what 18" drivers you can use on your box

Sorry Rolando, that info should have been on page 1...
Bms 18n862
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Rolando Saenz

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Re: Push pull double 18
« Reply #83 on: February 03, 2020, 05:56:39 am »

Sorry Rolando, that info should have been on page 1...
Bms 18n862
That is the only one ? can you use 18TBX100
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Tim McCulloch

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Re: Push pull double 18
« Reply #84 on: February 03, 2020, 07:29:45 am »

That is the only one ? can you use 18TBX100

The design was optimized for the woofer Mark lists.  Will something else work?  Probably.  Will it work as well?  Probably not.
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"Practicing an art, no matter how well or badly, is a way to make your soul grow, for heaven's sake. Sing in the shower. Dance to the radio. Tell stories. Write a poem to a friend, even a lousy poem. Do it as well as you possible can. You will get an enormous reward. You will have created something."  - Kurt Vonnegut

Rolando Saenz

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Re: Push pull double 18
« Reply #85 on: February 03, 2020, 12:40:58 pm »

The design was optimized for the woofer Mark lists.  Will something else work?  Probably.  Will it work as well?  Probably not.
Where i can get that driver in USA
parts express  nor speaker plus carry it

BMS is not   much accessible as B&C, 18sound, PD Celestion, or Fane



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Rolando Saenz

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Re: Push pull double 18
« Reply #86 on: February 03, 2020, 12:42:16 pm »

Sorry Rolando, that info should have been on page 1...
Bms 18n862

Mark,
can you recommend where to get those drivers in USA?
looks like nobody have them here
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David Morison

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Re: Push pull double 18
« Reply #87 on: February 03, 2020, 02:03:29 pm »

Mark,
can you recommend where to get those drivers in USA?
looks like nobody have them here

IIRC, Assistance Audio are the people to speak to about BMS over in the US: http://www.assistanceaudio.com/assistance_audio_bms.html
Their principal, Jack Arnott, used to be an occasional contributor in these fora, though I haven't seen him post in a while.
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Tim McCulloch

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Re: Push pull double 18
« Reply #88 on: February 03, 2020, 04:04:43 pm »

IIRC, Assistance Audio are the people to speak to about BMS over in the US: http://www.assistanceaudio.com/assistance_audio_bms.html
Their principal, Jack Arnott, used to be an occasional contributor in these fora, though I haven't seen him post in a while.

AFAIK, Jack is still running Assistance Audio and as popular as BMS has become in the USA (especially with the DIY crowd), suspect he's a busy guy.

@Rolando-

Contact Jack from the info on the Assistance web page.  He doesn't show the 18N862 as a stock item but he'll get them sent from Germany if you want them.

Mark, did you use other woofers earlier in your design evolution?
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"Practicing an art, no matter how well or badly, is a way to make your soul grow, for heaven's sake. Sing in the shower. Dance to the radio. Tell stories. Write a poem to a friend, even a lousy poem. Do it as well as you possible can. You will get an enormous reward. You will have created something."  - Kurt Vonnegut

Rolando Saenz

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Re: Push pull double 18
« Reply #89 on: February 05, 2020, 11:38:39 am »

Thanks for all the info guys
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ProSoundWeb Community

Re: Push pull double 18
« Reply #89 on: February 05, 2020, 11:38:39 am »


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