Posted on Oct 28, 2007

Cerwin Vega ve-28s subwoofer and new Cervin Vega 2-way satellites

Hi,

Since we got this sub last Christmas it has had a periodic popping, crackling and thumping sound. Sometimes loud enough to make us jump. Initially we put on the ground elimination plug like CV recommended to eliminate a hum. That worked well.
These other sounds are making us concerned that we may have a bad receiver or the speaker is bad.
The receiver is a Sony STR DE475. It puts out 185 watts and in "like new" condition.
We only turned up the speakers a few times just to feel the rumble of the speakers.

Any idea about the noises and what we can do to eliminate them?

Thanks

Andy

3 more comments
bigpooh666 Dec 02, 2007

The subwoofer snaps, crackles, pops and hisses even when not in use. Almost sounds like trying to tune in a CB radio. What's the issue and what is the solution?
kcarter02 Jan 29, 2008

Exact same problem - I have been told by CV support that it is a ground loop problem - I used a cheater plug to elminate the ground issue, but the problem persists. I know the problem is with the unit - I tried it at another location - I just plug it in, not connect to any amp or reciever and it hum and crackled. I am about ready to dump this thing and buy something else, if the I can't solve the issue.

Has anyone tried any of the high-end power bars for monster cable?
BudgetGeek Jul 28, 2008

I had the same problem with this unit. Tried two different local Cerwin-Vega-authorized repair shops, neither one of them could even provide a diagnosis of the problem (and kept my speaker a total of three months), I finally got Cerwin-Vega to replace the amp in the unit. After five and a half months, the new, replaced amp is demonstrating EXACTLY the same fault. I'm hoping to get one more warranty adjustment, then I'm selling this unit to someone who has the patience to replace the amp every five months. What a piece of junk!
Anonymous Jan 15, 2009

Initially (first week I owned the sub) I had issues with the sub humming and creating sounds similar to feedback or a bad ground, i removed the ground prong from the cord and the problem went away...

Its been about 6 months, I am having the same problem. At first the sub started to make a "thud" sound, I was often checking out my window expecting to see a friend stopping by (even my dogs were barking!). Now it sounds as if its trying to tune in radio stations. I replaced the power cord, and the problem was gone for 2 days... now it is back.

Tomorrow I am taking the amp to work and troubleshooting it (I am a computer/electronics tech) I will post if I find any bad components.
Anonymous Apr 20, 2009

i have same problem i live in mexico i have same problem i live in mexico

1 Answer

Anonymous

I bought my VE-28s and it did exactly that crackled, cerwin replaced part in amp but few months later problem persisted. they then replaced entire amp assembly and its been fine. i really push it to and its been fine. to test it, unplug the connection from amp/ reciever and see if it persists. if so its the sub, if not its the amp/ reciever. dont dump it, these subs really crank and can put out some deep loud bass.

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