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DMC Time Windows 3 Intermittent Crackling

Hey Audiogon people,

I'm seeking advice on what to do with my DMC Time Windows 3 speakers. One of them will periodically crackle very severely near the top of the speaker, so presumably from the midrange baffle. This only happens about 10-20% of the time, but obviously makes music completely unlistenable. I've confirmed that the issue resides in the speaker itself, no other component and I'm not sure how to deal with it. Does anyone have any advice on where to go as far as servicing these speakers? I've looked online for a manual without any luck, but I'd like to take a crack at solving the problem if I can as I'm fairly short on cash right now and replacing them would be quite a burden.

Any advice appreciated!
guiriguiri
guiriguiri OP
3 posts
 
Thanks! I will definitely try that.

Any idea about taking the sock off? I found one post explaining that you could pop off the top, unscrew the bottom and then remove the sock on Time Windows 1, but not sure if that applies here.
georgehifi's avatar
georgehifi
10,312 posts
 

Can’t remember back that far, but yes there was a trick to it, vaguley remember as a youngster, with your palm under the top cover and whacking it off, but don’t hold me to that. Maybe someone else here is old enough to remember.

But the sagging of bass drivers is common with old drivers, Kef B139, B1814, B300 etc etc.  


Cheers George

guiriguiri OP
3 posts
 
Well, that was quite the adventure. Accidentally broke a wire loose from the circuit board taking them apart (putting them back together really) and just had my first ever session of circuit board soldering. A success, fortunately. 

Now another question for anyone who might know: without the sock on, the speaker actually looks quite different from the one posted above and from all images I can find online. 

Please forgive my utter lack of appropriate terminology but mine don't have the same tweeter speakers (I assume that's what I see in the photos) right below the main drivers. Also, mine have 2 airholes (no idea what they're called) on the same side about a 1/3 of the way up as opposed to their being on both sides and lower down in the ones pictured online. 

Here's a picture of mine: http://s18.postimg.org/m3kh3wfo9/DMC_Time_Windows_3.jpg

I don't have any specific question. Just a little perplexed. Anyone have any thoughts?
guiriguiri OP
3 posts
 
Never mind. I found my answer here: http://www.avsforum.com/forum/89-speakers/652191-whatever-happened-dcm-s-steve-eberbach-3.html

Great thread for all Time Windows questions if anyone stumbles across this in the future!
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