Tuesday, July 25, 2006 - 11:55 am, by: Ross Spataro(Thfc)
ok...did a search, but to no avail....suddenly, both my door tweeters have stopped working...im wondering...is there a fuse somewhere solely for these?
i find it unlikely that both the tweeters •••• themselves at the same time....the music sounds like its playing from a dunny....all echoes and distance...any advice appreciated....thanks
Wednesday, July 26, 2006 - 02:02 am, by: Marc Vipond(04awe)
Both tweeters dead to me would indicate a problem with the power supply to them. So where do these tweeters get their power? Are they run through an amp or through the head deck? As both tweeters are dead it is unlikely to be a problem with the wiring out of either of these power supplies due to the slim chance of both sets of wiring out dying simultaneously, so check the wiring providing power to both of these devices. If this doesn't provide any relief see if these devices are fused anywhere and whether the fuse has blown. Alternatively get yourself a voltameter and check power through the wires running to your tweeters if there is no power in them keep checking further down the line until you find power, then fix the relevant area.
Wednesday, July 26, 2006 - 02:35 am, by: Peter Nitschke(Pen)
Tweeters are just fed a signal from the amp. No separate power, no separate fuses, etc. Chances are that a good hammering would kill both rather than just one, especially if the amp was over driven.
Wednesday, July 26, 2006 - 02:46 am, by: Peter Nitschke(Pen)
To explain further.
In a typical 3 way speaker system, 5% of the power goes to the tweeter, 15% to the midrange and the other 80% to the bass driver. This is reflected in the size of the coils at the back of the speaker, no way the little coil on a tweeter can handle as much power as the much bigger coil on the bass driver.
So the 3 speakers would normally be rated so that the tweeter can handle 5% of the power, a midrange for 15% and the bass for the rest.
Lets say that the amplifier is rated for 100 watts at 1% distortion. It can put out more than 100 watts, but the distortion then goes through the roof - which is why it sounds harsh.
This distortion is mainly high frequency stuff, so gets fed to the tweeter which is least able to handle it.
Over driven amps cook tweeters, huge amps cook bass drivers (or the lot).
Previous
