Newbie question, is this amount of noise normal?

[Spudicus]

Sorry beyond the ohms and vd issue I don't know what else could be the problem.

 

[Spudicus]

I was planning on throwing it into a tline, no chamber, just port, so will need to mount it backwards...

 

[Spudicus]

I guess I'll just have to wait and see once I get that box finished //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[hispls 5,000+ posts]

Lay the sub on it's side or prop it up on a couple 2X4's with the pole vent open to the air if you want to listen for mechanical noises.

 

[Spudicus]

This sub does not have a pole vent on the back, which I do find a little odd.

I think the whole X line of Sundown Audio does not have a typical pole vent.

There is a spacer between the motor and the frame, the spacer is plastic and has straight cutouts as ports evenly spaced around the diameter.

I wonder if they would have gone with the ct sounds design of using metal cylinders as the spacers, rounded edges are better than straight ones when it comes to air noise.

http://ct-sounds.com/wp-content/uploads/2014/04/Meso8_banner_1140.jpg

 

[T3mpest 10+ year member]

My comment earlier I couldn't watch the video, wasnt' showing up on the phone.. After watching I don't think that is air noise. Those cones are literally barely moving and its higher frequencies even where the air wouldn't be making as much chuffing noise.. Those woofers honestly sound damaged.

 

[big scott]

to me sounds like theres a spot not glues right.

try pulling up on spider, cone but be easy. use your finger nail .

or you can play it and start putting your finger around the edge and see if you can find it.

my sub does not do that.

 

[Spudicus]

You thinking it's the spider flapping around on the inside there?

You know I think this sub was not NIB, there was not any documentation inside the box, and the tape was redone, the box was obviously opened prior to my purchase...

 

[big scott]

not sure, but its worth a good look right?

check all around and see what you can find.

if you find a spot you can re glue it.

also check the dust cap..

 

[Spudicus]

There's nothing visibly obvious, the dust cap looks solid, the top of the spider is solid, there is a ring round the outer edge screwing it in. I can not see anything on the underside of the spider, the basket is solid from that point on down.

I tried putting my hand all round the outer edge to try to dampin the spider, no change in sound.

Kinda seems like it could be the inner lower spider, where it attaches to the pole, maybe that baby is flopping around... not sure...

Got a call in with Woofers Etc, said they'd get me straightened out, waiting on a call back, fingers crossed //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Spudicus]

Got an email from Bryan at Sundown, he said that much noise is normal when in free air, so I guess it's case closed.

I'm still up in the air about these then, I'm one of those SPL/SQ kinda guys.

Guess I better get that box done and make up my mind //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

 

[garychoffmann 10+ year member]

As far as not being new in box.... technically you could say every sundown sub is taken out of the box and played before it reaches their customers. Also I do not believe they put any paperwork in the boxes. I'm sure your sub is as bnib as sundown gets.

 

[big scott]

Got an email from Bryan at Sundown, he said that much noise is normal when in free air, so I guess it's case closed.
I'm still up in the air about these then, I'm one of those SPL/SQ kinda guys.

Guess I better get that box done and make up my mind //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif

ok cool.

put it in a box and see what it sounds like.

let us know what you think of it.

 

[Boomin_tahoe 5,000+ posts]

This sub does not have a pole vent on the back, which I do find a little odd.
I think the whole X line of Sundown Audio does not have a typical pole vent.

There is a spacer between the motor and the frame, the spacer is plastic and has straight cutouts as ports evenly spaced around the diameter.

I wonder if they would have gone with the ct sounds design of using metal cylinders as the spacers, rounded edges are better than straight ones when it comes to air noise.

http://ct-sounds.com/wp-content/uploads/2014/04/Meso8_banner_1140.jpg

Some of Sundown's subs have pole vents, others do not. Other brands may have the same thing. Therefore, those vents on the side of the drivers is basically what keeps the coil cool....which is the pole vent's job is. This isn't a new thing, been around for awhile now.

My x15's have the same thing.

 

[Spudicus]

Cut the wood for my tline today!