Question about Audio Players & Recorders
I just moved and the system worked perfectly before it was disconnected now as soon as I plug the power cord into the sub it starts a loud humming. gets a little quieter as soon as I plug in the satillite speakers but is still there even though it is not even hooked up to the computer. I reinstalled the drivers in my computer for sound (headphones work fine) Sounds like they are getting to mush power???? Clueless..... Boston Acoustics Gateway Digital BA735 Speakers With Subwoofer
This can be caused due to an increase in local interference. The hum is decreased when you plug in the satellites because the interference is spread over a longer area. You may notice that speakers tend to hum around things like cell phones and power outlets. To see if this is the case, move the speakers to another part of the room if you can, slide the desk around, plug the computer in at another room, something like this. If the hum gets louder or quieter, it is interference at your new place. This can be solved by finding a new area to set up your computer stuff at. Since it's mostly the subwoofer, try elevating it off the ground, there may be a power main running under the floor.
Posted on Sep 04, 2007
The hum problem can be fixed in two ways.
First unscrew the 18 screws and fold out the heat-sink back-panel. Look inside towards the right and you see the ring-transformer.
Using a 14mm wrench-key you can either(1) tightened the loose bolt or(2) completely remove the transformer and with tie-wraps fix it to the rear side of the wooden triangle. Put some foam-plastic cushion around the transformer, isolating its vibrations from the box.
I now have one pretty silent(1) and one completely silent(2) bass units.
Posted on Sep 13, 2009
Check for improper connection or no ground like a jack thats only half in or wires reversed.
Posted on Sep 04, 2007
A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Apr 23, 2011 | Eltax Atomic A-8.2 Subwoofer
Is the hum in the receiver-attached speakers or the sub?
How is the sub attached - RCA or speaker-level?
Disconnect the input(s) and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights. Sometimes, simply reversing the orientation of the ac power plug can eliminate humming.
If it hums with the sub attached, unplug the sub's power cord. Differences in AC ground potentials will generate hum across linked devices.
Mar 25, 2011 | Yamaha RX-Z9 Receiver
Mar 03, 2011 | Velodyne VX-10 Subwoofer
Mar 01, 2011 | Audio Players & Recorders
Apr 08, 2010 | Velodyne CT-100 Speaker
Jan 07, 2010 | Sunfire Audio Players & Recorders
Dec 10, 2009 | Audio Players & Recorders
Jun 30, 2009 | Dynamo MartinLogan Subwoofer Speaker
Dec 16, 2008 | KLH HTA-4906 System
2,297 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: