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Author Topic: Built a new t18 and it sounds like garbage! p.s im a noob -_-  (Read 13531 times)

ryan alli

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Built a new t18 and it sounds like garbage! p.s im a noob -_-
« on: August 29, 2010, 11:47:04 pm »

I recently built a new t18 box for my evx180b subs with these specs  http://www.nrgrecording.de/html/t18.html Problem is, they sound great at lower volumes (150-200 watts) but at a little higher volume they sound all distorted! (500 watts). I tried using a new evx180a I had lying around and it did the same thing! Any suggestions?
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Ivan Beaver

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #1 on: August 30, 2010, 07:28:25 am »

Saying that it sounds like garbage really doesn't give much to go on.  Maybe if you could tell us a bit more aobut how it really sounds-for example-slapping sound-cracking sound- floppy sound-no bass- no highs (in the bass range)-distorted and so forth.

It oculd either be the cabinet or the driver or a combination.
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For every complicated question-there is a simple- easy to understand WRONG answer.

Can I have some more talent in the monitors--PLEASE?

Ivan Beaver
dB Audio & Video Inc.
Danley Sound Labs

Paul O'Brien

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #2 on: August 30, 2010, 12:39:09 pm »

The EVX180B is not a sub driver by modern standards, and the T18 isn't much of a subwoofer with response that only extends down to 50hz, so maybe you are expecting more than this design is capable of delivering.
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Paul O

ryan alli

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #3 on: August 30, 2010, 07:53:16 pm »

its a flopping sound
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Ivan Beaver

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #4 on: August 30, 2010, 10:30:35 pm »

ryan alli wrote on Mon, 30 August 2010 19:53

its a flopping sound

Where do you have your highpass filter set?  You may be driving below its tuning. All loudspeakers will flp around when you do that.
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For every complicated question-there is a simple- easy to understand WRONG answer.

Can I have some more talent in the monitors--PLEASE?

Ivan Beaver
dB Audio & Video Inc.
Danley Sound Labs

John Halliburton

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #5 on: September 08, 2010, 07:39:49 pm »

Ivan Beaver wrote on Mon, 30 August 2010 21:30

ryan alli wrote on Mon, 30 August 2010 19:53

its a flopping sound

Where do you have your highpass filter set?  You may be driving below its tuning. All loudspeakers will flp around when you do that.


Or there is a leak in the cabinet.

John
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Tim Weaver

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #6 on: September 10, 2010, 02:04:39 am »

Congratulations! It sounds like you built the T18 correctly because thats what they usually sound like....

Its really a bad, bad loudspeaker and could never be called a real subwoofer.
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Jimmy Wright

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #7 on: September 21, 2010, 02:37:52 pm »

+1
Set Highpass, check for air leaks, build something else

Try a T48 from Bill Fitzmaurice
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Kevin Unger

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #8 on: September 26, 2010, 10:50:13 pm »

Tim Weaver wrote on Fri, 10 September 2010 07:04

Congratulations! It sounds like you built the T18 correctly because thats what they usually sound like....

Its really a bad, bad loudspeaker and could never be called a real subwoofer.


Heard/Built one?


I have an AT here loaded with the recommended TangBand 8inch and it sounds great in a car, with very little power.

Replaced two kenwood 10 inch "subs."  


t18 is a tiny sub designed for small rooms and to be corner-loaded. I don't get all the BFM knocking on here, when all the cabs perform as the graphs show on his site; and allow us diy'rs to build tested, easy to build cabs with a budget in mind.
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Art Welter

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Re: Built a new t18 and it sounds like garbage! p.s im a noob -_-
« Reply #9 on: September 27, 2010, 02:21:22 am »

Kevin Unger wrote on Sun, 26 September 2010 20:50

Tim Weaver wrote on Fri, 10 September 2010 07:04

Congratulations! It sounds like you built the T18 correctly because thats what they usually sound like....

Its really a bad, bad loudspeaker and could never be called a real subwoofer.

Heard/Built one?
I have an AT here loaded with the recommended TangBand 8inch and it sounds great in a car, with very little power.
Replaced two kenwood 10 inch "subs."  

t18 is a tiny sub designed for small rooms and to be corner-loaded. I don't get all the BFM knocking on here, when all the cabs perform as the graphs show on his site; and allow us diy'rs to build tested, easy to build cabs with a budget in mind.


Kevin,

The T 18 bass box referenced in this thread is a lousy bass box made by EV, not a lousy BFM box.

BFM's graphs would be much more believable if they were not hand drawn.
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