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Do It Yourself (DIY) paradise for tube and SET project builders.

RE: What's the advantage?

No adjustments of PP bias currents, low components count, no trimmers, 'eternal & perfect' balance of output currents (as the transformer primaries are in series), no need for tube matching, no HT transformer, modest increase of second order distortion whith tube ageing.

Last but not least, you can use economic AC mains transformers (the same as for linear power supply) instead of expensive audio transformers (because of the perfect balance of the bias current).

Does a DIYer ever needs more?


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