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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: AC cord swap for powered subwoofer posted by groman on January 3, 2002 at 20:40:40:
Just my 0.02$ (or Euros as I am from Europe...)
I do not think you can assume that the sub speakers have a 94Db/1W sensitivity.
First we know nothing about its speakers passive characteristics etc..
Second, I have played with simulation tools and subwoofer specs and I can tell you that efficiency will be closer to 88Db/1W or less, especially if it achieves low frequency response at a consequent loudness.
Also, woofers are more power-hungry than mediums or tweeters and a subwoofer usage demands a lot of dynamic power (e.g. home theatre use..)
So, rule of thumb, this amp will consume some power, much more than 1W but not 300W+ full time (assuming electrical efficiency of amp is around 80%).
As for power cable advice, I use thick gauge, shielded and with ferrites. I do not have teflon insulation.
I would think that such details matter less for subs than for other. components.Hope this helps
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Follow Ups
- Re: AC cord swap for powered subwoofer - Benoit 01:17:41 01/04/02 (1)
- Dynamic power - groman 06:49:03 01/04/02 (0)
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