I've just bought a balanced transformer!

[YNWaN]

I wonder if the NTC wouldn’t be better replaced with a soft start module like Avondale Audio supply?

[Blueflash]

Yes, as Hugo says, there is nothing really to age or go wrong.

Andy, yes, it is most beneficial . However, as you also point out, fundamentally different to the approach taken with your PS Audio unit.

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In the picture above, of my unit, you can clearly see the large NTC (the black disc component on top of the transformer) used to limit inrush current when the unit is first turned on. last night I tried removing it from the circuit (very easy to do). Unfortunately I quickly found out that the inrush current of a 3000VA transformer is more than sufficient to trip the circuit breaker on my main fuse box! So, after a quick visit to the cellar to reset the fuse box I reinstalled the component and calm was restored - no harm done .

I changed the circuit breaker in the fuse box to a "D" type which is used for starting electric motors, then you can remove the NTC.

[YNWaN]

I think, on balance, I would rather leave the NTC in place.

[Radford Revival]

I changed the circuit breaker in the fuse box to a "D" type which is used for starting electric motors, then you can remove the NTC.

Prooooobably not the best idea in a house!