In message <htM4m.44360$2>, andrew fox
<> writes
>i was thinking of the magnetism being a bad thing to electrical
>thingumies
>
>any way of checking on magnetic levels?
>
>cheers andrew
I would be much more concerned about the levels of vibration you will be
subjecting the electrical thingumies to than the magnetic fields.
Loudspeaker magnets are designed to focus the magnetic field on the
voice coil, so the levels of magnetic leakage are probably fairly low.
Although that said my old KEF's do affect a compass held close to them.
However speakers are designed specifically to radiate as much mechanical
vibration as possible in the 50Hz-20khz frequency band.
A couple of hours Wagner or Heavy Metal probably will stress test all
the solder joints and connections in the device quite nicely!!!
Regards
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