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Chip Amps Amplifiers based on integrated circuits

Power Supply Transformer
Power Supply Transformer
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Old 7th November 2006, 07:15 PM   #11
Minion is offline Minion  Canada
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Location: Cowican Bay , vancouver island
I can"t really tell from the Picture but those Transformers look a bit too small to Power a Chip amp...There is nothing in the Pic to really tell the size of it but from first impressions it doesn"t look very big....

do you know the power rateings of these transformers??
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Old 7th November 2006, 10:38 PM   #12
I_Forgot is offline I_Forgot  United States
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Join Date: Jan 2005
Location: Phoenix, Az.
Originally posted by CarlosT
What do you do if the tranny has dual 115V primaries? I just wanna run 115V coming in...
You connect them in parallel, but make sure you get the phasing correct or you won't get anything out except heat. The correct phasing can usually be identified by the colors of the lead wires or dots marked on the terminals if there are no lead wires.

Dual 115V primaries allow the transformer to be used for 230V input by connecting the windings in series (again, be careful of phasing).

If you have a transformer that has dual 115V primaries and 50V secondary but you need a transformer with a 25V secondary, you can just wire the primaries in series, plug into 115V and you'll get 25V out.

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Old 8th November 2006, 12:08 PM   #13
bal704 is offline bal704  United States
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Join Date: Oct 2006
'do you know the power rateings of these transformers??'

No, I'm afraid I don't. There were no P/N markings on the xfmr, so I don't really know. I'm planning on using it for a small guitar amp, so I don't need anything huge.
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