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-   -   class D, 70-80W, 8 OHM (http://www.diyaudio.com/forums/class-d/195543-class-d-70-80w-8-ohm.html)

terteliu 29th August 2011 07:09 AM

class D, 70-80W, 8 OHM
 
In order to build a stereo 70W amplifyer for two 3 way speakers 70w rms, 8 Ohm, which class D amplifyer module should I buy? I'd like something like UcD180, easy to atach the module, so easy to build when you have everything bought.
Unfortunately, I think Ucd180 is too powerfull. Anything close?

Kjeldsen 29th August 2011 07:21 AM

An amplifier can never be too powerfull. It's small amps driven too hard that kills speakers (especially the tweeters).

The module can work with as low as +/- 25 volt supply voltage, so it's up to you have much power you wan't from the module.

terteliu 29th August 2011 07:39 AM

ok, got it, thanks

Pafi 29th August 2011 02:52 PM

And UcD180 produce 180 W only at 4 ohms, the half at 8 ohms, so it's just perfect!

terteliu 29th August 2011 05:15 PM

thanks, meanwhile I've received a mail from support@hypex.nl saying that it is ok too.

I thing that I should also buy a SMPS400, they said (support@hypex.nl) that it is enough for 2 ucd180.
So I wouldn't have to buy a toroidal transformer, and the condensators and put them toghether and so on.

What tone corrector should I buy with this, in order to boost the bass or the high frequences?

Kjeldsen 29th August 2011 06:23 PM

mini DSP from Home | miniDSP

luka 29th August 2011 08:33 PM

or from TI tas3308lc-emv


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