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Old 9th May 2013, 02:50 AM   #621
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Quote:
Originally Posted by bulldawg81 View Post
A pair of 1+1s just became available locally at a very good price of $200, but there's a catch. One speaker makes intermittent crackling noises with no signal being applied. I've searched online for an answer, but found only issues like this when over driven. Is this a deal killer? They sound fine when playing music. Any advice would be appreciated.
Could be a defective panel , $200.00 is a real bargain you can find panels on the net for $75.00 to $125.00 good luck.
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Old 9th May 2013, 03:00 AM   #622
john65b is offline john65b  United States
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Off Topic - anyone looking for an Acoustat Sub that came with a Model 1 to augment their bass? I have one in my basement I need to get rid of...
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Old 9th May 2013, 05:58 AM   #623
ktuuri is offline ktuuri  Canada
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Originally Posted by hella356 View Post
I had that problem, but a vacuuming and using a heat gun to re-tension the membrane eliminated the problem. So I say go for it, that's a helluva lot of speaker for $200.
Yes I would agree with hella. Sounds like a good deal to me.

Do be careful with the heat gun (on low), keep it moving from side to side as you are going down the panel. Don't let it sit in one spot for long or you may melt the Mylar, (maybe a hairdryer might be good)

Last edited by ktuuri; 9th May 2013 at 06:01 AM.
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Old 9th May 2013, 12:20 PM   #624
tyu is offline tyu  United States
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The Spectra 2200 is here.......
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Old 9th May 2013, 12:31 PM   #625
john65b is offline john65b  United States
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Whoops wrong thread....
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Old 9th May 2013, 06:51 PM   #626
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Quote:
Originally Posted by bulldawg81 View Post
A pair of 1+1s just became available locally at a very good price of $200, but there's a catch. One speaker makes intermittent crackling noises with no signal being applied. I've searched online for an answer, but found only issues like this when over driven. Is this a deal killer? They sound fine when playing music. Any advice would be appreciated.
A random crackling noise is usually caused by foreign material trapped in the diaphragm-stator gap. A good vacuuming is the first step, and if that doesn't work you may need to re-tension the Mylar with a heat gun (easy does it!) A last resort would be to wash the panels, but I would suggest the first two methods be repeated several times before resorting to washing.

For $200, you can hardly go wrong. Go for it!
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Old 9th May 2013, 06:54 PM   #627
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Quote:
Originally Posted by tyu View Post
The Spectra 2200 is here.......
Hmmm, nice drawing I made there (I'm 'AJS'). Nice to see it still in circulation!
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Old 9th May 2013, 07:04 PM   #628
tyu is offline tyu  United States
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Yes thanks for all the work you done for all of us Acoustat lifers.... some cant find anything so i try to help if i can..other here help a lot
Long live Acoustats
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Old 10th May 2013, 03:06 AM   #629
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Thanks for all the great replies, you've convinced me to buy them. I'm going to pick them up this Sat. Do I need to remove the sock for the re-tensioning with a heat gun? Would a hair dryer work? Thanks again for all your help.
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Old 10th May 2013, 10:12 AM   #630
tyu is offline tyu  United States
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The Heat gun Would Be The LAST thing i would do!
I have had the AcoustatX,M2,M3,M4s 1+1,2+2 1100, an have 8ea 9" panels here now1 That what 46 Acoustat panels, an have only done two panels with the heatgun an killed one panel,not by burning a hole in the mylar, but the bias coating is pulled by the heat, so now it well not charge. this coating is diff than what used by others it like a paint an it can be pulled an lose contact
I not saying this heatgun tweek dose not work,it dose but do all you can befor you put heat on these panels. like wash the panel, this is the frist thing i have always done an never lost a panel from washing.....have fun ......Long live Acoustat
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