2006-06-08 22:43:34 · 6 answers · asked by green_eyes_1979_88061 1 in Consumer Electronics ➔ TVs
I have large powerful speakers about three feet away from my telly and it has been fine for years. However, at the rear of a speaker cone is a very powerful magnet. These will thus tend to be at the back of the box housing the cone or cones.
A TV tube sends a "spray" of electrons from the back of the tube. These electrons hit the screen and cause it to light up. The TV tube has some very clever electronics which guide the "spray" onto the little coloured dots on the screen, creating a picture.
A magnet will deflect the "spray" within the tube, but more importantly, could affect the sensitive electronics. Like the speaker cone, these are all at the narrow rear of the tube. Given that the tube is the most expensive part of a telly to replace, it would be a shame to damage it! If the speakers are right alongside the telly it could be that the magnets are close to the sensitive end of the tube. I would expect any interference to cause a distortion of the picture -possibly permanent! Speakers work by producing fluctuating magnetic fields too, so the TV might be fine today, but when he cranks up the volume to MTV after a few beers: hello red grass and green sky!
The good news is that magnetism obeys an "inverse square law". If you double the distance from the speaker magnet, you quarter the strength of the field. Three times gives a ninth, etc.
Your telly will have at least one loudspeaker in it, but this will have been integrated into the design, will be small, and is usually at the front of the tube. It may even be shielded!
If your TV is a plasma screen then the above will not apply but there may be other issues. If your boyfriend bought the speakers as part of a home cinema pack, there will be instructions regarding placement. I am pretty sure that they never just sit right beside the TV set but are spaced around the room to give a surround effect. The TV has some pretty good powerful speakers in it anyway -just turn it up.
Remember that men are kind of funny about audio and video equipment. Years ago I bought cables so I could hook our then new TV up to the stereo so I could listen to music shows from the TV and hi-fi together. I thought that it was cool but my wife hated it and made me unplug it. The cables have never been used since.
Good Luck!
2006-06-08 23:07:46 · answer #1 · answered by Slippery_Jim 3 · 0⤊ 0⤋
If the speakers are about 8inches away from side of tv then nothing will happen . to get the crt magnetised the speakers would have to be almost touching the screen. By the way it makes no difference wether the speakers are on or off as it is the permanent magnet that does the magnetising, The internal speakers are made for Tv and the magnet is shielded by a mu metal shield . The auto degauss in the tv also takes care of any stray magnetic fields ! .
2006-06-16 01:09:00 · answer #2 · answered by Realist 2006 6 · 0⤊ 0⤋
it may interfere with the picture if the speakers are strong ones and the TV is the normal CRT tube-based ones. LCD and Plasma TVs will not be affected.
If the picture gets distorted by the extra magnetism produced in the speakers, either switch the speakers off (and/or switch off the amplifier that they are connected to) or experiment the best distance you need to move them away from the TV.
2006-06-09 05:48:42 · answer #3 · answered by Son of Gap 5 · 0⤊ 0⤋
Magnets can permanently distort the display if they are left for too long. If you move them away soon enough the visible effects should go away after a while.
2006-06-09 05:46:21 · answer #4 · answered by mikey 5 · 0⤊ 0⤋
Not likely to if it's not too powerful. being them magnetic is not so important, afterall tv itself has speakers. (p.s.nice photo)
2006-06-09 05:47:49 · answer #5 · answered by sameer shahi 2 · 0⤊ 0⤋
yes you keep it way, magnetic devices should not kept near by tv.
2006-06-09 05:45:20 · answer #6 · answered by trysaran 5 · 0⤊ 0⤋