Jbl 1200b

david v New member Username: Eremenow Post Number: 10 Registered: Jul-05	Posted on Sunday, July 17, 2005 - 17:36 GMT i have this sub http://www.jbl.com/car/products/pro...ser=GTS&cat=SUB, and when i turn it up loud thers a dodgy noise coming from the ported hole bit(cant really explain it). so i covered the ported hole with a towel and the noise went. but covering the hole makes the subwoofer move foward and back more if you know what i mean. i just basically wanted to know would this damage the sub in anyway??? thanks ppl 4 any help & opinions
david v Bronze Member Username: Eremenow Post Number: 11 Registered: Jul-05	Posted on Sunday, July 17, 2005 - 17:38 GMT soz the link is http://www.jbl.com/car/products/product_detail.aspx?prod=GTO1200B&ser=GTS&cat=SU B
david v Bronze Member Username: Eremenow Post Number: 12 Registered: Jul-05	Posted on Sunday, July 17, 2005 - 19:45 GMT does any one know
Thrush Silver Member Username: Thrushdtd New York Post Number: 229 Registered: May-05	Posted on Sunday, July 17, 2005 - 22:03 GMT i dont think so. YOu might be getting port noise but im not sure is it a round port?
Juston Silver Member Username: Jb502 Omaha, NE Post Number: 113 Registered: Jun-05	Posted on Sunday, July 17, 2005 - 23:48 GMT yeah i would say it is port noise, not much you can do about it with that box. best bet is to built a new box, with a rectangular vent. or alter that one.
david v Bronze Member Username: Eremenow Post Number: 13 Registered: Jul-05	Posted on Monday, July 18, 2005 - 20:08 GMT if i block the port will it damage the sub
david v Bronze Member Username: Eremenow Post Number: 14 Registered: Jul-05	Posted on Tuesday, July 19, 2005 - 21:14 GMT shall i change the box to a sealed one??? is the bass more punchy and accurate in a sealed box, or is it more low bass and deeper??

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