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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: Why is the bass part of a speaker so hard to drive? posted by Mal P on March 29, 2005 at 01:36:27:
Hi
A simple answer would be that compared to the upper ranges would be that for a given power, the low frequency section tends to be the most reactive (least resistive) so far as a load.
This means (the more reactive it is) that some or all of the following would be true.
First, for a given power, the amplifier would produce considerably more heat due to the current waveshape being shifted from the Voltage, increasing the power dissipated in the transistors.
Secondly, that a Solid State amplifiers output transistors are kept within the “safe area of operation†(which prevents the magic smoke inside them from being released) and that the more reactive the load is, the sooner that protection circuit is engaged (which causes clipping but not necessarily at the top and bottom of the waveshape).
Third, the woofer section is usually the least efficient of the speakers and so it is driven at a higher power level as well.
Hope this helpsTom Danley
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Follow Ups
- Re: Why is the bass part of a speaker so hard to drive? - tomservo 03/29/0509:35:52 03/29/05 (3)
- Re: Why is the bass part of a speaker so hard to drive? - Mal P 14:50:36 03/29/05 (2)
- People buy subwoofers to extend the frequency response of their main speakers - Richard BassNut Greene 08:05:12 03/30/05 (1)
- Re: People buy subwoofers to extend the frequency response of their main speakers - Mal P 19:27:21 03/30/05 (0)
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