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Thread: Subwoofer pops when turning on/off |
    
New member Username: Eb5338
Post Number: 1
Registered: Mar-07
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| Posted on Saturday, March 10, 2007 - 08:34 am: |
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Hi,
I just hooked up a Velodyne sub to my Integra DTR-5.4 A/V receiver. The problem is that whenever I turn the receiver on or off, the sub pops really loud...shaking the house loud. Any ideas what is going on? |
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Gold Member Username: Nuck
Post Number: 6272
Registered: Dec-04
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| Posted on Saturday, March 10, 2007 - 09:33 am: |
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Ethan, try another power source for the sub. An extension cord is fine for a test, power the sub from a different circuit. |
New member Username: Eb5338
Post Number: 2
Registered: Mar-07
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| Posted on Saturday, March 10, 2007 - 10:31 am: |
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Thanks Nuck. Ok, I tried another outlet, and I still get the big pop. A couple of things I noticed...
First, when I turn on the receiver and before it begins to play the sound from one of the inputs, I get a little feedback/humming sound followed by the big pop. Then, I'm able to listen to the sound from the selected input. When I turn off the receiver, it just pops loudly and then turns off.
Second, this problem just came up because I switched out an old Denon A/V and put in this Integra. Does that mean something is wrong with the Integra receiver? |
Gold Member Username: Nuck
Post Number: 6277
Registered: Dec-04
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| Posted on Saturday, March 10, 2007 - 10:37 am: |
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If the problem only arose with the new unit, then yes, your line of thought is correct.
Does the integra use a 3 pronged plug? |
Gold Member Username: Nuck
Post Number: 6278
Registered: Dec-04
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| Posted on Saturday, March 10, 2007 - 10:39 am: |
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If so, you might try a cheater plug.
Just to be sure, before condemning it.
Is this a new/warranty issue? |
New member Username: Eb5338
Post Number: 3
Registered: Mar-07
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| Posted on Saturday, March 10, 2007 - 11:03 am: |
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It's not a 3-pronged plug. just looks like a regular banana plug. and, unfortunately, it's not new/warrantied. i bought it off of my uncle who was moving and downgrading his setup.
the weird thing is that i had tested the whole system before in another room of our house and everything was fine. not too sure what would have changed in our living room vs. extra bedroom. |
Gold Member Username: Jan_b_vigne
Dallas,
TX
Post Number: 9967
Registered: May-04
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| Posted on Saturday, March 10, 2007 - 02:04 pm: |
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There should be a muting circuit to quiet the sub output (I assume this is being run from a "sub out" or "LFE out" on the receiver). The pop means the muting circuit is faulty and has nothing to do with the AC feed going to the receiver or sub. If you are not running the sub from a "sub out" or "LFE out", then I assume you are running from either a pre out or the high level speaker outputs. Turning down the volume control or hitting "mute" before switching the receiver off should solve this problem.
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New member Username: Eb5338
Post Number: 4
Registered: Mar-07
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| Posted on Sunday, March 11, 2007 - 09:20 am: |
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Yes, the sub is connected via a "pre-out" output. It doesn't have a "sub-out/LFE out" option. I tried muting the receiver before turning it off, and I still get the popping noise. |
Gold Member Username: Jan_b_vigne
Dallas,
TX
Post Number: 9976
Registered: May-04
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| Posted on Sunday, March 11, 2007 - 03:24 pm: |
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Take the system back to the room where it operated correctly. As you said, there should be nothing that makes the system operate correctly in one room and not another. Pre outs normally don't cause such a problem that it makes a loud pop. However, if you are hearing a hum before the receiver comes to life and then a pop as the receiver comes out of standby, there still might be a problem with the Onkyo's mute circuitry. Try the set up in the other room and report back.
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Platinum Member Username: Jan_b_vigne
Dallas,
TX
Post Number: 10035
Registered: May-04
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| Posted on Sunday, March 18, 2007 - 12:13 pm: |
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Loud ain't good unless it's clean. Loud and clean ain't cheap. Loud, low and clean defintely ain't cheap. You are going to get none of those three with your current plans. If you can't do it right, wait until you can afford it. This is the route to simply breaking stuff.
What you're describing is something that will get people driving by to call the cops 'cause it's so damned aggravating. Do you have no respect for your neighbors or your hearing?
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Platinum Member Username: Jan_b_vigne
Dallas,
TX
Post Number: 10036
Registered: May-04
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| Posted on Sunday, March 18, 2007 - 12:14 pm: |
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Sorry, I don't know how that got put here. |
Gold Member Username: Wingmanalive
A pic is worth
1000 words
Post Number: 4793
Registered: Jun-06
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| Posted on Sunday, March 18, 2007 - 08:48 pm: |
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I do. Ecoustics. |
Silver Member Username: Bill984
Post Number: 260
Registered: Oct-05
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| Posted on Thursday, March 29, 2007 - 01:03 pm: |
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my velodyne "pops" when i turn on the aquarium lights or turn them off. not very loud but i do hear it. they are all on the same circuit. |
Platinum Member Username: Jan_b_vigne
Dallas,
TX
Post Number: 10106
Registered: May-04
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| Posted on Thursday, March 29, 2007 - 04:31 pm: |
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Leave the aquarium lights on all the time. Al Gonzalez says this kind of sleep deprivation is not torture. |
