Home / Forums / General melodica discussion / Fresh information about the Yamaha P37E ? / Reply To: Fresh information about the Yamaha P37E ? Reply To: Fresh information about the Yamaha P37E ? November 19, 2018 at 9:44 am #10497 DarenKeymaster Or you can buy a replacement set of prints – I’ve tried this with springs that had more resistance. But I actually prefer the lighter resistance