Load Clicking Noise on Deep Bass or Explosion... (by 2 users)
posted by SomersetNick on Apr 18, 2007
I currently have a Denon 3300 Receiver and everything sounds great until there is a deep bass or typically explosion sound effects in a movie DVD; at that point a loud clicking continues through the bass or explosion from one of my DM605 S2 speakers. I have tried many things and have even changed receivers to a JVC 7204 but still have the same problem. Is my speaker blown? Can this be fixed? Thanks.
Comment by SomersetNick, posted on Apr 18, 2007
yes. I did do this at one time and the noise appeared to move with the speaker...Do you recomend opening and seeing if there is visible damage? I am trying to find a local service station but am have not been able to as of yet. Thanks.
Comment by SomersetNick, posted on Apr 20, 2007
Thanks DSOM. Believe it or not, this has been an issue I have been trying to track down for sometime. Your information has been helpful. Thanks again.
Comment by SomersetNick, posted on Feb 22, 2008
Hi Mark;
I wish I had found more information on this for you but I am beginning to think more and more that this is more a function of a receiver that is not equipped to handle these speakers. I have switched from a 100W Denon to a 150W JVC and the problem is much less noticable. It is not completely gone, but it is very rare and only at incredibly low LFE Levels when the receiver is in full 5.1 or 7.1 mode at high volume.
Have you tried experimenting with other receivers? What is the power rating on your receiver? Do you hear it with 2 channel or stereo sound or just 5.1 or 7.1 movies?
I wish I had found more information on this for you but I am beginning to think more and more that this is more a function of a receiver that is not equipped to handle these speakers. I have switched from a 100W Denon to a 150W JVC and the problem is much less noticable. It is not completely gone, but it is very rare and only at incredibly low LFE Levels when the receiver is in full 5.1 or 7.1 mode at high volume.
Have you tried experimenting with other receivers? What is the power rating on your receiver? Do you hear it with 2 channel or stereo sound or just 5.1 or 7.1 movies?
1 Other User Has The Same Problem
Comment by Mark Arria, posted on Feb 13, 2008
I have same problem with my B & W 605 S2 PLEASE Advise!!!!!!
Thanks !!!!!!!!!!!!!!!!!!!!!!!!! Mark Arria @ 53jeep@gmail.com
Best Solution
posted on Apr 18, 2007
WizIf that irritating noise only comes from one of your speakers even though you've changed the amplifier to test whether it continues, I think the problem must be that the relevant speaker is blown. By the way, have you ever tried to switch left and right speakers instead of changing the amplifier?
Comment by dsom, posted on Apr 18, 2007
I don't think that you'll be able to find out something useful inside..Instead of doing this, I would check the diaphragm and the cones for any kind of scratches, deformations etc. if I were you.
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Solution #2
posted on Feb 25, 2008
Hi everyone having problem with B&W DM605 S2 speaker. The speakers are rated at 8ohm but during playback the impedance drops below 4ohm at low frequencies. It overloads weaker amplifiers and sometimes causes DC voltages to be injected into the speakers. Since the speakers in question are with active sub it appear that some elements on the PCB could be damaged. I would opt for LM431 (Adjustable Precision Zener Shunt Regulator) and associated elements. It could also be the rotary switch (the one used to adjust base levels - 2pole/6way) as contacts weakens over time. Possible solution: 1. switch your amp. to 4ohms 2. with the sub turned off change the position of the switch few times from max left to max right before setting it up in the desired spot.
If the problem persists: 1. replace the switch
2. replace suggested elements checking also KBL401 (Rectifier). TDA7294 (Amplifiers) are usually O.K.
If the problem persists: 1. replace the switch
2. replace suggested elements checking also KBL401 (Rectifier). TDA7294 (Amplifiers) are usually O.K.
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Solution #3
posted on Aug 19, 2008
When you play to loud, the sub element hits the magnet and thats the sound you are hearing. Nothing wrong with the speaker, but you could damange your sub element doing this several times.
Solution, turn the volume done.
The speakers sound great, but remember there are only 2 7" speakers, they cant produce an earthquake. For that you need bigger subbs.
Solution, turn the volume done.
The speakers sound great, but remember there are only 2 7" speakers, they cant produce an earthquake. For that you need bigger subbs.
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Solution #4
posted on May 02, 2008
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To Somersetnick
Permanent fix for B & W 605S2 Speaker (loud pop through one of the bass speakers ) at high volume. what i did was called the B & W company in Boston MA , I Spoke with the tech guys and they suggested to send in the powered amp on the back of the speaker, so i went home and unplugged and unscrewed the amp
from the speaker, carefully draw a diagram of the colored wires and unplug them , sent in the amp for repair. Days later they called me and said the problem was in the two switches that control the bass , they replaced them with new switches with gold plated ones (part no SS09393) Cost of 28.00 per switch
email me at 53jeep@gmail.com with any questions
hope this helped out Mark
Permanent fix for B & W 605S2 Speaker (loud pop through one of the bass speakers ) at high volume. what i did was called the B & W company in Boston MA , I Spoke with the tech guys and they suggested to send in the powered amp on the back of the speaker, so i went home and unplugged and unscrewed the amp
from the speaker, carefully draw a diagram of the colored wires and unplug them , sent in the amp for repair. Days later they called me and said the problem was in the two switches that control the bass , they replaced them with new switches with gold plated ones (part no SS09393) Cost of 28.00 per switch
email me at 53jeep@gmail.com with any questions
hope this helped out Mark
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Solution #5
posted on Feb 19, 2008
Dear Sir
Is there any way to get the email of SomersetNick so i can
talk to him about problem with my B & W DM 605 S2
speakers ???????? PLEASE email me with answer
53jeep@gmail.com
THANKS !!!!!!!!!!!!!!!!! Mark
Is there any way to get the email of SomersetNick so i can
talk to him about problem with my B & W DM 605 S2
speakers ???????? PLEASE email me with answer
53jeep@gmail.com
THANKS !!!!!!!!!!!!!!!!! Mark
Comment by Mark Arria, posted on Mar 18, 2008
SomersetNick & Slav , Thanks For the quick response on the B & W 605S2
Since the last chat, I upgraded my AV Receiver to a Sony STR -DA 5300ES No problems since then. (Its only been 3 days with new amp) Lots of LOUD Music and movies no problem
Slav article on the problem was very helpful !!!!!!!!!!!!!!!!!!!
I will not say the problem on the speaker is gone but i do not hear it since the amp upgrade, Thanks to both of you guys for your help!!!!! I did decrease the bass response on the back of the speaker from setting C to A . Please keep in touch with any new info. Thanks guys!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Mark
Since the last chat, I upgraded my AV Receiver to a Sony STR -DA 5300ES No problems since then. (Its only been 3 days with new amp) Lots of LOUD Music and movies no problem
Slav article on the problem was very helpful !!!!!!!!!!!!!!!!!!!
I will not say the problem on the speaker is gone but i do not hear it since the amp upgrade, Thanks to both of you guys for your help!!!!! I did decrease the bass response on the back of the speaker from setting C to A . Please keep in touch with any new info. Thanks guys!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Mark
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