Hi,
I am looking for a DIY project based on LM3886 which could deliever 100W @8 ohm per channel.
There are some projects out there (for example: https://electronics-diy.com/100w-lm3886-power-amplifier.php), but they refer to 4 Ohm and 100W.
Is it even possibe to use LM3886 in some configuration which would be able to deliever requested output?
Apologies if this was already discussed here. I checked, but didn't find it.
Thanks in advance!
Best regards,
Mario.
I am looking for a DIY project based on LM3886 which could deliever 100W @8 ohm per channel.
There are some projects out there (for example: https://electronics-diy.com/100w-lm3886-power-amplifier.php), but they refer to 4 Ohm and 100W.
Is it even possibe to use LM3886 in some configuration which would be able to deliever requested output?
Apologies if this was already discussed here. I checked, but didn't find it.
Thanks in advance!
Best regards,
Mario.
Yes, it is possible. Yes, it was discussed many times. Yes, you did not search right. But i will let Tom (tomchr) reply.
https://www.diyaudio.com/community/threads/rowland-lm3886.286969/
https://www.aliexpress.com/item/1005004918402838.html
https://www.diyaudio.com/community/threads/rowland-lm3886.286969/
https://www.aliexpress.com/item/1005004918402838.html
In the spec jeff rowland claims 350 watts with six lm3886.
https://skyfiaudio.com/products/jeff-rowland-model-12-four-piece-mono-block-amplifiers-wow
https://skyfiaudio.com/products/jeff-rowland-model-12-four-piece-mono-block-amplifiers-wow
Attachments
It is much easier with TDA7293X2 parallel. You can find by Google many public domain PCBs or board from Ali.
https://aliexpress.com/item/4000092889019.html
https://aliexpress.com/item/4000092889019.html
As do I: https://neurochrome.com/products/modulus-686In the spec jeff rowland claims 350 watts with six lm3886.
I suggest starting here, though: https://neurochrome.com/pages/output-power
Tom
Hello
I develop very recently the pcb's witch I show here:
Or you may wanna check out my other solutions like PA150 or other here:
https://www.ebay.de/usr/dialedinmusic?_trksid=p4429486.m3561.l2559
I develop very recently the pcb's witch I show here:
Or you may wanna check out my other solutions like PA150 or other here:
https://www.ebay.de/usr/dialedinmusic?_trksid=p4429486.m3561.l2559
Have you seen any reports of a build of a build with that board?
Have you seen any reports of a build of a build with that board?
First, thanks @adason for mentioning this board.
Now, I have one channel based on this board and it looks like indeed a promising project. Right now it is on my test bench and I have completed prelimminary meassurements. It has great frequency response and incredibly good square wave response.
Now, I'm testing its endurance on 200W 7.3 ohm dummy load. For time being I was able to run it at 125W constant 1KHz signal. I do really push it at the limits of thermal endurance.
Otherwise, the board is a real beauty, very well designed with wonderful layout. It is going to have from me a beauyiful chasis.
I intend to start a new thread devoted to this project. It will be fun. Very soon, perhaps this weekend.
Untill then, have a pleasant time.
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