Original sentence: " Despite having several disatvantages compared to modern transistorised (solid state) equipment, a valve sound is preferred by some commentators as having the most pleasing listening experience but has until recently been typically more expensive than transistorised equipment
Edited sentence: " Despite having several disatvantages compared to modern transistorised (solid state) equipment, a valve sound still provides the most pleasing listening experience but has until recently been typically more expensive than transistorised equipment