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Forums » General Discussion » The Water Cooler » Finally tracked down a buzzing sound... sadly...
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#326917 - 10/29/10 02:05 PM
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![]() connoisseur Registered: 08/27/07 Posts: 3400 Loc: Laval, Quebec, Canada |
For quite a while, and it was only audible on certain recordings, there was a light buzzing sound coming one side. I blamed almost everything and tighted loosened stuff all over the place. Then I thought it might be the QS-8... so I flipped side and then problem went away! Therefore, I thought it was the bracket that somehow was in a bad position and caused light vibration.
Until two weeks ago where it started to do it again... from the other side! Now the problem is that, at the time, I was not certain at all I had swapped the QS-8 (i was actually under the impression that I had just "re-set" the bracket). Well... after quite a few more tests, which included bringing the QS-8 in front of me... I am very sad to announced I have a bad driver... (the top one!). I guess I'll soon renew with Axiom's customer service!
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E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v) AxiomAir/6xM2/4xM22/2xVP150/2xM3 |
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#326930 - 10/29/10 03:03 PM
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![]() connoisseur Registered: 08/27/07 Posts: 3400 Loc: Laval, Quebec, Canada |
I have 2 VP-150s and 1 M2ss from the same era. I think the drivers are interchangeable between those models and the QS-8 so I can have my system back before long?
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E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v) AxiomAir/6xM2/4xM22/2xVP150/2xM3 |
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#326943 - 10/29/10 04:22 PM
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![]() shareholder in the making Registered: 12/26/03 Posts: 10416 Loc: Calgary, Alberta |
Yup. and then you can buy new drivers and crossovers for the M22's and have v3's
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Jason M80 v2 VP160 v3 QS8 v2 PB13 Ultra Denon 3808 Samsung 85" Q70 |
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#327445 - 11/03/10 08:33 AM
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![]() connoisseur Registered: 08/27/07 Posts: 3400 Loc: Laval, Quebec, Canada |
After a few days with the M22 driver, everything sounds good! But I have to admit i'm getting impatient to stop listening for the buzzing. Anything there is a strange "human moving" sound in a recording, my head lifts up and I try to locate the "problem"... Sound I'll to go back to just enjoying music!
The replacement driver is "on vehicule for delivery"... but i'm not home. I guess tomorrow AM I'll have to pass by Purolator depot to pick it up!
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E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v) AxiomAir/6xM2/4xM22/2xVP150/2xM3 |
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#327463 - 11/03/10 02:19 PM
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![]() connoisseur Registered: 08/27/07 Posts: 3400 Loc: Laval, Quebec, Canada |
Actually was here when Purolator passed. All done and all sounding great!
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E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v) AxiomAir/6xM2/4xM22/2xVP150/2xM3 |
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#327471 - 11/03/10 03:11 PM
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![]() shareholder in the making Registered: 12/26/03 Posts: 10416 Loc: Calgary, Alberta |
Great news!
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Jason M80 v2 VP160 v3 QS8 v2 PB13 Ultra Denon 3808 Samsung 85" Q70 |
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#327472 - 11/03/10 03:12 PM
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![]() axiomite ![]() Registered: 08/05/09 Posts: 6015 Loc: Milky Way Galaxy |
jakewash, your tied with JohnK at 8196.
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https://docs.google.com/spreadsheet/ccc?...amp;usp=sharing |
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#327695 - 11/06/10 08:02 AM
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![]() connoisseur Registered: 08/27/07 Posts: 3400 Loc: Laval, Quebec, Canada |
Guess what? The matching QS-8 has developped the same issue (hyper vibrating top driver).
I swapped with the drvier from my spare M22 and it stopped. BUT, I could feel the whole speaker was strained (whole QS-8 cabinet shaking too much for a speaker). I was using a xover of 80z. I uploaded a new one at 115hz (the recommended xover by Anthem's ARC measurements) and the speaker is no longer strained. Should receive an answer from Axiom soon. In the meantime I'll if I can notice the xover shift. Maybe I'll it better!
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E = MC2 = ((2M80 + VP180 + 4QS8)/(EP800 + EP500))^(ADA1500 x D2v) AxiomAir/6xM2/4xM22/2xVP150/2xM3 |
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#327699 - 11/06/10 10:53 AM
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![]() connoisseur ![]() Registered: 04/04/07 Posts: 4872 Loc: Tulsa, Oklahoma |
Just tapped into my denon through the web interface to check my surround crossover setting....
My Q's are crossed over at 90hz and I haven't had any problems in 3 years.
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-David |
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#327701 - 11/06/10 11:02 AM
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![]() connoisseur ![]() Registered: 09/19/08 Posts: 4116 Loc: Porch,enjoying Bombay Sapphire |
Sounds like there is an issue other than the woofer. Could be a defective crossover. You should send the whole QS8 back to Axiom for diagnostics and replacement. There is no way in hell a surround speaker should be shaking like that especially with a crossover point of 80hz. What kind of source material is going through the surrounds?
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I’m armed and I’m drinking. You don’t want to listen to advice from me, amigo. -Max Payne |
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