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Chip Amps Amplifiers based on integrated circuits

8ch cheap (chip) amplifier for sound art
8ch cheap (chip) amplifier for sound art
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Old 4th April 2013, 09:35 PM   #21
samp78 is offline samp78  United Kingdom
diyAudio Member
Join Date: Mar 2011
Okay think i will run it stereo with a mono signal into 2 8 ohm woofers. And then I have essentially 120W of bass reinforcement and 60W a channel for the surround. Thanks everyone! and one final question, would a 750VA transformer run all of this?
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Old 5th April 2013, 10:21 AM   #22
ChristianThomas is offline ChristianThomas  United Kingdom
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Join Date: Feb 2006
Location: On a hill, in a wooden shack, next to the woods, in Somerset.
750VA is more than enough. By a factor of two, probably. Personally I would have two power supplies and leave open the possibility to run them at different voltages. Have a look at some of my posts on 3886 subs, and the others on the thread. Most of the info you want is there. But if you want to move from 2x 3886 to 1x 4780 then you will have to drop your rail voltages in general.
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