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I just received my subwoofer, a Velodyne fsx-12 mk II, last night and noticed when I got really close to it, I could make out a buzzing (similar to listening to a weak radio station) and what sounded like the music from a radio station. the volume of this interference didn't increase proportionally with the gain setting on the sub...it was always quiet, but the buzzing was noticeable.I am using the older Radio Shack Theater Gold interconnects which I never noticed a problem with in other applications. Could these be the culprits? Can you recommend a “budget” interconnect that would eliminate interference?
All components are plugged into a Belkin surge protector, but I don't believe it provides power conditioning. Could the source of my problem be RF in the power line? If so, what is the solution? Do the Monster conditioners do anything? I'd like to spend as little as possible on the conditioner, but at what level do you actually get results?
Thanks for your help and suggestions,
Phil
Follow Ups:
when i got home last night i unplugged the interconnects, turned the sub on, and the buzz/faint radio was still present.adjusting the volume knob had no effect on the volume of the buzz.
i disconnected the cable coax from the surge protecter which had no effect.
i unplugged the velodyne, moved it away from the window and to about the midpoint of the wall, plugged it into a different surge protector and again, the same buzz at the same level was present.
it seems that either the power line is the problem, or something internal to the sub is picking up the RFI. It is really only noticable when nothing is playing through the system and you are VERY close to the sub.
is it time to try using a panamax or monster line conditioner?
thanks for your help,
phil
Are you familiar with how a 60Hz hum sounds? If that is what you are hearing, I doubt an AC line conditioner would make any difference. At best the hum would just be purer. My guess is somthing internal.Before you send it away, does it have a three prong plug? If yes, is your wall socket truely grounded? If no, try gounding it. If yes, try a cheater plug.
I have heard such a hum in cheap "subs" intended for use with a PC, but you shouldn't have to deal with this in a Velo. If all ekse fails call the service department.
yes to both...... i would get a better conditioner (Ultimate Outlet would be the best for the buck IHMO) and start by just applying a choke to the interconnect..... my guess is that it is coming from the power though...-Sam
You have a shielding problem somewhere. Do you have two interconnects hooked together with a male to male coupler or something? If so, this might be the source of your problem, or the shield could be broken on your interconnect, assuming it even has one.The Kimber PBJ interconnect is an unshielded one which has a design that tends to resist RFI, but it sounds like some type of shielded interconnect would be preferable here. You could go through an AudioQuest dealer and have them make you one interconnect (1/2 a pair) of their cheapest shielded model (All of their interconnects used to be shielded--probably still are) in the length you require. I unfortunately have little experience anymore with the typical junk one finds at Radio Shack or Best Buy.
Todd
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