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Old 4th April 2011, 12:01 AM   #1
JZatopa is offline JZatopa  United States
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Default Noobish qustion - Can you use a doorbell transformer for.....

Can you use a door bell transformer for anything audio related aside from using it as a PS transformer for low wattage applications?

What would happen if you were to close the secondary and use it as a PS choke? Is that just asking for trouble?
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Old 4th April 2011, 12:50 AM   #2
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Think of them as just low quality 24VAC transformers. You can use one for a preamp, IF you find one that doesn't buzz. It's not unusual for them to buzz or develop a buzz in a few years.

You can't use them for a DC choke for the same reason you can't use a more conventional transformer there either: DC will saturate the core.
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Old 4th April 2011, 01:49 PM   #3
oshifis is online now oshifis  Hungary
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They have strong stray magnetic field.
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