My 2-year-old pushed in the dustcaps on my 12" ATCs

houstonian · 8th January 2007, 01:37 AM

They are not torn, and I'm thinking of trying to suck them back out by cutting a plastic funnel to fit over them and sucking.

I've seen vacuum cleaners mentioned in other threads, but that seems too powerful.

Anyone have experience with fixing this?

The sad part is that I just had them reconed and was getting ready to drop them in boxes.

Kids and dustcaps seem to be a common problem. Maybe it's the bullseye look...

adason · 8th January 2007, 02:03 AM

hi houstonian
normal vacuum creates too much suction, but if you somehow regulate it
i have an old vacuum cleaner, which has rotating thingy on the nozzle, which by turning it opens side inlet thus decreases suction from main inlet, allowing to clean curtains and such, which would normally be sucked in

other option, which I applied before with success, is to punch tiny hole in the middle, and inserd L shaped wire and pull
sure it will leave tiny hole in the middle of dust cap but that does not affect performance, many speakers have hole there to releave pressure

btw, talking about dust cap, my friends son, when they are visiting, is allways fascinated with my Lowthers and allways goes right after the phase plug, it is like a magnet for him, fortunately phase plug is stationary and touching it does not damage speakers, but it makes me a little nervous

dantwomey · 8th January 2007, 02:07 AM

I had good luck on my Scanspeak 8513 tweeters using some electrical tape. You can use any tape that has limited stickiness to gently pull dents.

Regards,
Dan

dswiston · 8th January 2007, 02:12 AM

I've had duct tape work well on some Vifa 8"ers.

kimbo · 8th January 2007, 07:14 AM

hi houstonian,

I've successfully used the centre carboard tube from a roll of paper towel three times now for my 8 inch vifas. (note to self - really must make a grill ). I just placed my mouth over one end, located the other over the dustcup and gently sucked. I think this is pretty much safer than any vacuum cleaner as you have total control over the pressure.

There was some very slight marks on the cap where the edge of the dents were but I found that these dissappeared after some time (hours or days, didn't take any notice)

Try this first. Find a tube that is a good fit. Simple and safe.

Cheers, Kim

Cloth Ears · 8th January 2007, 09:45 PM

Quote:

Originally posted by kimbo
I've successfully used the centre carboard tube from a roll of paper towel three times now for my 8 inch vifas. (note to self - really must make a grill ). I just placed my mouth over one end, located the other over the dustcup and gently sucked. I think this is pretty much safer than any vacuum cleaner as you have total control over the pressure.

What a great idea!

jimangie1973 · 9th January 2007, 03:50 AM

Quote:

Originally posted by kimbo

I've successfully used the centre carboard tube from a roll of paper towel three times now for my 8 inch vifas. (note to self - really must make a grill ). I just placed my mouth over one end, located the other over the dustcup and gently sucked. I think this is pretty much safer than any vacuum cleaner as you have total control over the pressure.

I did the same thing, but with a 2.5" diameter port tube.

houstonian · 10th January 2007, 01:34 AM

I'll post the results - I've been away for a few days.

Al Garay · 12th January 2007, 04:59 AM

I placed a thin cloth over a dome tweeter and was able to suck the dome back into shape by slowly moving a vacuum from 10" to about 2" inches away from the cloth.

I first tried manually sucking with a syphon and straw and did not work.

Andersonix · 12th January 2007, 05:49 AM

Depending on the dustcap material, some judiciuos massaging can pop it out a bit. Then it might smooth out more over the next weeks.

8th January 2007, 01:37 AM	#1
houstonian diyAudio Member Join Date: Jan 2007	My 2-year-old pushed in the dustcaps on my 12" ATCs They are not torn, and I'm thinking of trying to suck them back out by cutting a plastic funnel to fit over them and sucking. I've seen vacuum cleaners mentioned in other threads, but that seems too powerful. Anyone have experience with fixing this? The sad part is that I just had them reconed and was getting ready to drop them in boxes. Kids and dustcaps seem to be a common problem. Maybe it's the bullseye look...

10th January 2007, 01:34 AM	#8
houstonian diyAudio Member Join Date: Jan 2007	thanks for the input I'll post the results - I've been away for a few days.

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8th January 2007, 02:03 AM	#2
adason diyAudio Member Join Date: Nov 2004 Location: home sweet home	hi houstonian normal vacuum creates too much suction, but if you somehow regulate it i have an old vacuum cleaner, which has rotating thingy on the nozzle, which by turning it opens side inlet thus decreases suction from main inlet, allowing to clean curtains and such, which would normally be sucked in other option, which I applied before with success, is to punch tiny hole in the middle, and inserd L shaped wire and pull sure it will leave tiny hole in the middle of dust cap but that does not affect performance, many speakers have hole there to releave pressure btw, talking about dust cap, my friends son, when they are visiting, is allways fascinated with my Lowthers and allways goes right after the phase plug, it is like a magnet for him, fortunately phase plug is stationary and touching it does not damage speakers, but it makes me a little nervous

8th January 2007, 02:07 AM	#3
dantwomey diyAudio Member Join Date: Feb 2002 Location: Canada	I had good luck on my Scanspeak 8513 tweeters using some electrical tape. You can use any tape that has limited stickiness to gently pull dents. Regards, Dan

8th January 2007, 02:12 AM	#4
dswiston diyAudio Member Join Date: Feb 2004 Location: Illinois	I've had duct tape work well on some Vifa 8"ers.

8th January 2007, 07:14 AM	#5
kimbo diyAudio Member Join Date: Mar 2004 Location: Melbourne	hi houstonian, I've successfully used the centre carboard tube from a roll of paper towel three times now for my 8 inch vifas. (note to self - really must make a grill ). I just placed my mouth over one end, located the other over the dustcup and gently sucked. I think this is pretty much safer than any vacuum cleaner as you have total control over the pressure. There was some very slight marks on the cap where the edge of the dents were but I found that these dissappeared after some time (hours or days, didn't take any notice) Try this first. Find a tube that is a good fit. Simple and safe. Cheers, Kim

12th January 2007, 04:59 AM	#9
Al Garay diyAudio Member Join Date: Nov 2002 Location: Seattle, WA	I placed a thin cloth over a dome tweeter and was able to suck the dome back into shape by slowly moving a vacuum from 10" to about 2" inches away from the cloth. I first tried manually sucking with a syphon and straw and did not work.

12th January 2007, 05:49 AM	#10
Andersonix diyAudio Member Join Date: Jan 2004 Location: Silicon Valley	Depending on the dustcap material, some judiciuos massaging can pop it out a bit. Then it might smooth out more over the next weeks.

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