Vibrating nosie from woofer - Page 2 - diyAudio
Go Back   Home > Forums > Loudspeakers > Subwoofers

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 25th January 2013, 01:16 PM   #11
epa is offline epa  Netherlands
diyAudio Member
 
Join Date: Apr 2010
Location: amsterdam
i thought the problem was the metal ratling against the wood.
if the elctronics are ratling against the metal,i would sugest to aply some epoxy
between the plate and the part thats rattling against it.
i don't think the metal has become more flexible over time

just my
__________________
one good thing about music ,when it hit you feel no pain.
so hit me with music
. hr driver db
  Reply With Quote
Old 25th January 2013, 01:21 PM   #12
diyAudio Member
 
Join Date: Dec 2010
Location: Malaysia, Selangor
Quote:
Originally Posted by epa View Post
i thought the problem was the metal ratling against the wood.
if the elctronics are ratling against the metal,i would sugest to aply some epoxy
between the plate and the part thats rattling against it.
i don't think the metal has become more flexible over time

just my
Will further investigate to make sure which noise that it produce.

If metal ratling against wood, is easy to idenfiy.
But if electronic (or whatever stick to it) is ratling with the metal, then it is hard to distinguish. If I open the back panel, then it will not vibrate.

However, I will take notice of these few point in my testing.
  Reply With Quote
Old 25th January 2013, 08:50 PM   #13
diyAudio Member
 
Join Date: Jan 2005
Location: Copenhagen
You could put the plate amp in an external box and close the back of the speaker with some proper piece of wood.

Just a thought
  Reply With Quote
Old 26th January 2013, 12:14 AM   #14
diyAudio Member
 
Join Date: Dec 2010
Location: Malaysia, Selangor
Quote:
Originally Posted by Bjohannesen View Post
You could put the plate amp in an external box and close the back of the speaker with some proper piece of wood.

Just a thought
Yeah, I have some idea about it before, which is make it ported woofer box, but I will left it as last resort. (wanted to preserve its original sound properties)
  Reply With Quote
Old 27th January 2013, 05:39 AM   #15
diyAudio Member
 
Join Date: Dec 2010
Location: Malaysia, Selangor
Quote:
Originally Posted by guitar89 View Post
Will further investigate to make sure which noise that it produce.

If metal ratling against wood, is easy to idenfiy.
But if electronic (or whatever stick to it) is ratling with the metal, then it is hard to distinguish. If I open the back panel, then it will not vibrate.

However, I will take notice of these few point in my testing.
Hm.... I'm had confirmed that this is not cause by flexing alone. But came from parts attached to the backpanel. When I'm going to suppress the vibration using my hand press against the back panel, first its sound increase in pitch ( some pressing force). If apply alot of force, the the vibration is reduce to inaudible state.

However, this also apply to only some area only (not all area at backpanel can be pressed to reduce the noise. I looked inside, it was somewhere around the transformer ^^ I check all (I really mean all & every) securing mechanism (bolts, buts, etc) and they are firm and secure.

The inside layout is as per attached, the effective press-suppressing area is around the transformer and slightly toward the heatsink. The heatsink is attached to the back panel for better heat dissipation using white colour adhesive.

Any idea how and why it producing noises ? most importantly how to suppress ^^
Attached Images
File Type: jpg 1.jpg (26.0 KB, 22 views)
  Reply With Quote
Old 27th January 2013, 08:41 AM   #16
diyAudio Member
 
Join Date: Oct 2012
If the amp plate attaching screws are stripped or loose, you can use wood glue to build up the inside of the holes. I've used a big toothpick to get glue into the holes. Don't FILL the holes!!! Just coat the inside of the screw holes. Wait for the glue to dry. That way the screws will have something stronger to bite into.

MLStrand56
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
headphones for nosie cancellation project branm Parts 0 11th August 2011 06:05 PM
Vibrating capacitor blue lander Tubes / Valves 14 11th February 2011 04:50 AM
New NHT Classic 3 woofer vibrating. Help neeed spinnerbait15 Multi-Way 8 23rd June 2010 03:01 AM
Why is my amp vibrating? wwenze Chip Amps 4 13th May 2009 04:50 PM
Vibrating cutter...any available gmphadte Parts 10 7th December 2007 09:10 AM


New To Site? Need Help?

All times are GMT. The time now is 07:17 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2