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8th May 2005, 04:12 AM
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#1 |
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diyAudio Member
Join Date: Feb 2005
Location: Watertown, NY
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important question please help me
i need a schematic on how to build a power supply with a transformer with secondaries of +21V,-21V(2 wires) to power 2 channels(2 parallel opa549s in each channel) i think you need to use relays am i right? im confused somebody help me out plz
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8th May 2005, 05:44 AM
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#2 |
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diyAudio Member
Join Date: Feb 2001
Location: USA
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8th May 2005, 09:26 PM
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#3 |
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diyAudio Member
Join Date: Feb 2005
Location: Watertown, NY
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i meant to supply both channels with one transformer. is it better to use one rectifier and hook both channels to the pwr supply (both+V on amp to V+ output on supply) or is it better to use a seperate rectifier and capacitors for each channel?
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