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Hi Barrie, Thanks for the suggestions. I’ve took the front off, but to be honest, I just have no idea if the hammers are much further away. Here’s another strange thing though, in acoustic mode, the upper keys don’t play at all if pressed softly, however the slightest touch on lower registers produc...

it could be... The slap rail needs adjustment. The prolong pick up unit in the bass is set to low I would say more like the first. Lift the lid and look at the travel of the hammers in the treble, then the base when the silent system is engaged. See if it is stopping the hammers the same amount fro...

Hi everyone, I have managed to pick up a nice 1980s Yamaha U1 with a technics silent system fitted. Acoustically, the piano is great, however when I flick the lever for the silent system, most keys below middle C require heavy pressure to activate the sound. This makes the silent system more or less...