Class D Amp with LM566, LM393 and 2XIRF530

[herimanana]

hi everybody.

In class D amp. Must I use buffer and preamp or just buffer or just preamp ?

Thanks for reply !

 

[apexaudio]

hi everybody.

In class D amp. Must I use buffer and preamp or just buffer or just preamp ?

Thanks for reply !

Go to post #661

 

[herimanana]

Thank you Apex !

 

[audiobrad]

Good day All.

Can someone point me to the post regarding the etd59 winding specs please.I would like to try and build the SPS-1000 .I will have the transformer made by a company locally.

I hope someone can help me !

Audiobrad.

 

[audiobrad]

Has this thread closed?

 

[apexaudio]

D2000 with +/-150V DC

 

[thimios]

D2000 with +/-150V DC

Where we can find schematic and pcb as built for this D2000?

 

[herimanana]

Hi Apex !!! How the D2000 sounds ?

 

[stewin]

hi apex .what is your inductance in your output coil, and the impendance of the speaker tou tested with??

 

[thimios]

Where we can find schematic and pcb as built for this D2000?

No one know?
Is it a full range amplifier?

 

[apexaudio]

Where we can find schematic and pcb as built for this D2000?

D2000 and D4000 is aplifiers for subwoofer, you can find schematics in this thread.
Regards

 

[rezgar91]

Hi
I made d200.2 and its working but sounds like snoring
I tried output coil from behringer dpa400 and powersoft digimod 1000
But problem still exist and its worst when turn the volume up...
Supply is +/-60
Mosfets are irf 540
Please help me

 

[stewin]

Hi
I made d200.2 and its working but sounds like snoring
I tried output coil from behringer dpa400 and powersoft digimod 1000
But problem still exist and its worst when turn the volume up...
Supply is +/-60
Mosfets are irf 540
Please help me

you are using wrong fets . you are lucky the irf540 are still alive . use irfb4227 or irf 640 use at 8ohms only . your voltage is too high for irf540 fets

 

[rezgar91]

you are using wrong fets . you are lucky the irf540 are still alive . use irfb4227 or irf 640 use at 8ohms only . your voltage is too high for irf540 fets

I changed fets but still have the problem
I tried 640 and 260!!

 

[thimios]

D2000 and D4000 is aplifiers for subwoofer, you can find schematics in this thread.
Regards

That mean that isn't a fully band amplifier?

 

[thimios]

That mean that isn't a fully band amplifier?

No answer?

 

[apexaudio]

That mean that isn't a fully band amplifier?

It can be use up to 4kHz, for bass in 2 way active speaker or for subwoofer.
Regards

 

[thimios]

It can be use up to 4kHz, for bass in 2 way active speaker or for subwoofer.
Regards

Thanks Mile!

 

[apexaudio]

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[FENIKS 83]

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