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Class D Switching Power Amplifiers and Power D/A conversion

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Old 12th June 2013, 07:17 PM   #11
nickb23 is offline nickb23  United Kingdom
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Join Date: Jun 2013
Thanks guys,
I managed to find a power supply (12v 4amp) that fits. I did an on the fly swap between the psu's, I think that it is a bit louder, but again, not a huge amount of bass. What can I do to increase the bass??


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Old 12th June 2013, 07:49 PM   #12
Join Date: Jan 2005
Bigger speakers!
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Old 13th June 2013, 05:11 PM   #13
ATAUDIO is offline ATAUDIO  Austria
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Join Date: May 2011
Location: Wien
Or, going more in deep, speakers with an higher SPL.
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Old 13th June 2013, 09:42 PM   #14
brig001 is offline brig001  United Kingdom
diyAudio Member
Join Date: Jan 2009
OK, there are two things that strike me about these speakers:

The efficiency is 88dB@1W, so with your amplifier rated at 12W into 8 ohms (I am assuming they aare 8 ohms), you will get a little over 98dB before clipping. That's not too bad, I only get 101dB, but I sit onlly 3m away from the speakers. How far away are you listening to them?

The other thing is that they only have a 4" driver, so low bass is out of the question.

If you are happy with the sound apart from the lack of bass, a trip to the subwoofers section may be in order. With a decent sub and an active crossover, you might have the sound you want. Taking the bass away from the F1s will allow you to play them a little bit louder before clipping too.

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