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Old 28th January 2007, 04:25 PM   #1
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Default Stancor RT-204 transformer for chipmap power supply?


I was wondering if this would be a suitable transformer to use for a chipamp. It seems to have quite a bit of current capeability and a large variety of outputs with multi primary choices too.

I was looking at the datasheet found here ....
but i couldnt really make sense of their charts for the voltage selection. At $20 a piece though you cant really go wrong.

If someone could help me it would be greatly appreciated as this is my stumbling block when building my project.

i assume that they are unsheilded, so i wold probably get some aluminum sheeting to form a sheild for them, or just house them separately, idk.


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Old 28th January 2007, 04:28 PM   #2
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Just fond these after i posted... but they have ct 12-0-12 @ 10A supplies for $17 each..... im sure there is a way to use two to get 24-0-24 (@ 20A i think ) out of them.... im praying that this is a cheap solution for large toroidal transfo. i will be running a 5 chanel (biamped) speaker system and i need all the power i can get for cheap

heres the list of their power transformers.... they have a bunch that may work as well.
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Old 28th January 2007, 06:54 PM   #3
phn is offline phn  Sweden
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I think your best bet is a toroidal trafo.

You will need between 160VAC and 300VAC. Rather large for the power of the chip amp.

Voltage is dependent on chip and speakers, 4 or 8Ohms.

No shielding is needed.
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Old 29th January 2007, 02:57 AM   #4
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yeah, probably....

But toroids are expensive, and im working within a budget.... Ive read that separate transfos per channel (monoblock type configuration) is always best.... so in that respect, getting multiple small transformers would be nice....

maybe im wrong, hopefully i can get some more opinions.
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Old 29th January 2007, 04:03 AM   #5
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