This is a genuine and original Naim Audio transformer, taken from a fully working NAP250.2 ("new classic" style, not the original CB or olive NAP250) it is the same transformer that the NAP300 uses too, and in fact is labelled as the NAP300 transformer. There never were any "NAP250.2" transformers, they have always all been NAP300 transformers, just to clarify that!

This transformer is fully working and delivers approximately 37VAC (mains voltage variation does affect this slightly). There are FOUR independent triplets of secondary wires, in four sets of 37-0-37VAC configuration. Primary is 2x115VAC, to be wired for 115V or 230V operation (currently wired for 230V operation because two primary wires are joined), plus a shield green/yellow wire. I do not have colour info on the secondary wires but it would be easy to measure and deduce for yourself. Two M8 threaded inserts in the potted centre, with neoprene base pad. The transformer measures 198mm diameter and 59mm tall, and weighs 7.2kg, it's very heavy!

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