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» Termpro Audio Forum » Installer's Corner » Troubleshooting » how to fight imp rise????

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Author Topic: how to fight imp rise????
M3 DDurango
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been doing alot of testing lately, I HAVE 1 DD 9518G and an M3 and fixing to build for 2 18's with my current box I have it wired to .75 at rest its at .9 to 1 ohm and at full power burps im rising to 8 ohms [Frown] my box is 8 cubes w/180^2 of port after displacement if that helps really just wanting to know some tips on how to keep from rising so much while building my new enclosure

THX in advance
Posts: 4 | From: Hickory | Registered: Sep 2008  |  IP: Logged | Report this post to a Moderator
audiobuffru1
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so at .75 ohm load you box rises to 8 ohm , oh man i had one sub that did that i redid the face plate 4 inches thick i also use a round carigated sonno tub were driver mounted to help box problem . once i did that i could run 1/2 ohm load with .8 ohm rise .

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ear drums are very over rated

r.i.p. greg welch

2005 dbdrags bassrace world finalist 120-129.9 3rd place finish
Posts: 1277 | From: somewere in time | Registered: Nov 2001  |  IP: Logged | Report this post to a Moderator
D-Bass
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that's a pretty tiny box
Posts: 5494 | From: Columbus, OH - formerly FL | Registered: Oct 2003  |  IP: Logged | Report this post to a Moderator
M3 DDurango
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quote:
Originally posted by D-Bass:
that's a pretty tiny box
8^3 for 1 sub is tiny ????? DD recommends 6^3 I was going for 13^3 with 2 subs
Posts: 4 | From: Hickory | Registered: Sep 2008  |  IP: Logged | Report this post to a Moderator
D-Bass
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my bad. i thought you meant you had two 18"s in 8cf. i misread it
Posts: 5494 | From: Columbus, OH - formerly FL | Registered: Oct 2003  |  IP: Logged | Report this post to a Moderator
   

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