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My UGS UP Amplifier
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Old 27th July 2015, 04:42 AM   #11
Junie is offline Junie  Philippines
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Wow! Mine still work in progress. Kindly let me know where you source the Power transformer. Farnell available stock is rated at 225VA only I reckon it's not enough.
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Old 29th July 2015, 02:37 PM   #12
Algar_emi is offline Algar_emi  Canada
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My UGS UP Amplifier
No, bare minimum is 400va per channel. I'm able to increase the Class-a bias with the heatsink I have but the 400va rating i have limits the power. If you have the same heatsink i have (0.32c/w) or bigger, i would recommand at least 500va per channel.
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Old 29th July 2015, 04:53 PM   #13
Junie is offline Junie  Philippines
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Ok, thanks.
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Old 30th July 2015, 09:48 PM   #14
CeeVee is offline CeeVee  Portugal
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My UGS UP Amplifier
Quote:
Originally Posted by Junie View Post
Ok, thanks.
...Check Toroidy.pl ....this amp deserves good trafos...they will get you exactly what you need.
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Old 31st July 2015, 03:34 AM   #15
Junie is offline Junie  Philippines
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Will do, Thank you.
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Old 21st June 2016, 01:32 AM   #16
needtubes is offline needtubes  United States
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What are the dimensions of your heatsinks? Also, what bias are you using?

I just stumbled upon this project and am curious whether my spare heatsinks will be up to the task.
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Old 13th January 2018, 08:09 AM   #17
aspringv is offline aspringv  Australia
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Wow. Just found this thread, and i have to say that's a pretty awesome build. Well done!
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