How long does it take for transformer smell to go

I just recently bought a barely used Ming Da amp so it previously had very little use.

Since it is still pretty new, the chemical smell of the transformer is very pronounce especially when they get hot after playing. I just hope eventually it will go away

Do you know how long it will take for the smell to go away? Do you have similar problem?

I think the smell is pretty toxic.

The smell might be the tubes? Transformers should not smell unless they have been breached especially on the ming da. Break in smell should only be for a couple of hours at the most. I have had several tube amps only one which had a HOT smell and it was from the initial break in on the tubes. You might consider opening the bottom and looking for a burned capacitor?
The smell usually dissipates right after your house burns down.