Double check that you have the speakers connected correctly left and right. If not, it could be the reason the other channel hums when you touch the...
And this... Seen TF a few times up until Songs from Northern Britain. From Bandwagonesque to SFNB are all part of my life. But after that, they went...
The Mainly Tannoy ones are generally the same circuit/original circuit but with decent quality components. I did notice some circuit differences but...