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  #1  
Old 10-18-2011, 02:03 PM
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412TVX

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Doing a cleanup on my 412TVX and found that there is what looks to be some sort of filter media installed in the bottom port passageways. Judging by the cleanliness, it is not original.
Why would someone do this?
Was there any kind of insulation or what not in these cabs?
If it wasnt intended to be there I want to remove it, but I would love to hear from someone who has used/ does use this cab.
Thanx in advance for any feedback,
Jeff
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  #2  
Old 10-18-2011, 02:29 PM
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I've never seen that before. It's not to dampen the sound is it? Reduce airflow?

I have no idea. Someone else might, but I've honestly never seen that in ports before.
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  #3  
Old 10-18-2011, 02:33 PM
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IME- That'd be dampening material. I wouldn't recomend removing it, as it might hurt the sound quality of the cab.
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Old 10-18-2011, 02:44 PM
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I've played those in store before, and sure as heck would have remembered the ports being stuffed. Looks like an after market add on.
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Old 10-18-2011, 02:52 PM
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I used to sell the TVX Series cabs at my old job and they use that in all the cabs in that series, I've even noted how tacky it looked being that close to the ports, anyways, it's factory original and I wouldn't mess with it.

If you haven't noticed it till now you'll prob forget about it in good time.

The dampening makes the speaker "think they're in a much larger enclosure" to borrow a phrase from Bob Heil's Guide to concert sound and the Speaker Enclosure books...
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Old 10-18-2011, 02:59 PM
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Thank you guys very much for the timely responses.
It will stay in the cab.
Anyone played a nitrobass through this cab?
How did you get the tone you were after?
Jeff
  #7  
Old 10-18-2011, 03:42 PM
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My TVX412 is my main gigging cab. There is no such dampening in my cab.

Still sounds fine to me...
  #8  
Old 10-18-2011, 04:55 PM
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I did the same thing to my 410tx to tame the low mid punch just not so close to the port ,worked well
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Old 10-19-2011, 12:40 PM
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Seems to be a few different opinions on this one.
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  #10  
Old 10-19-2011, 12:54 PM
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Think of it this way. Does the cab sound good to you with it? If so, leave it. If not, take it out. Even if that ruins the sound, I see no reason why you couldn't put it back.

Although, I'm certainly no expert. And removing it has been advised against.

Anthony.
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  #11  
Old 10-20-2011, 06:49 PM
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Im keeping it in.
Sounds good, it was mostly a curiosity.
I really didnt know that cab manufacturers did that but it does make sense.
Thanx for the replies all.
Jeff
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