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Old 16th January 2011, 06:20   #46
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Default Re: Looking for a new headunit in 15-20k Budget

Quote:
Originally Posted by navin View Post
NO it wont solve that as 75-85% of the power is needed by the midwoofer.

For example on typical music I listen to (70s Rock, Jazz, Blues, Classical) 50% of the energy is under 300Hz, 65% is under 1200Hz, 75% is under 2500Hz, 90% is under 5000Hz. So if you are XOing at say 12db/2500Hz then 75% of the power would be needed by the midbass and only 25% for the tweeter.
Hi Navin,
Yes, I calculated with more or less same percentages. For me, under 2000 hz where my cross-over is, should be around 75% of the music / energy. So, for a single channel driving both woofer and tweeter, the mid bass driver would get only 12 watt out of 16 watts of toal available power ( Lets assume). But now it is getting full 16 watts to drive only the woofer i.e 33% of power of hike effectively which is not negligible, what do you say?

I agree that it sill cannot beat the solution of having an external amp, but again I have limitations as explained earlier.
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Old 24th January 2011, 23:47   #47
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Default Re: Looking for a new headunit in 15-20k Budget

Anybody heard Blaupunkt Acapulco MP54 ? I'm getting this one really cheap, around 40 USD. How is the SQ?
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Old 26th January 2011, 12:04   #48
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Default Re: Looking for a new headunit in 15-20k Budget

Blaupunkt HUs generally have a very neutral sound, and are VFM. At USD40 it would be a really good deal, especially since it has 3x 4v Pre-outs. Make sure to get the separate accessories like Aux-in and iPod interface cables when you order this.
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