Preamp PI-filter circuit

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Serow

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Joined 2002
Here is a circuit I have been working on for a +-24V 100mA power supply for a pure class A hybrid preamp. Any comments from the more experienced would be great. The ripple is very small, less than 1 mV according to the Duncan Simulator. The transformer is the Hammond 266J48 and the choke is a Hammond 159V.
 

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