joule la150mkII- preamp


hi guys,

i have a Joule  lA 150 se [mk ii ]. the gold knobs on them look dirty . i was looking for a way to remove the knobs, but i just can get them off. no screws or hex nuts or holes. can anyone help. or , can someone recomend a way to clean the knobs while on the pre amp without damaging it?

thank you

sy

syhilly0107

i just spoke to him. thank you all for your help. for anyone who needs this, the only way to access the set screws is to remove the faceplate and the  4 plastic holders on the inside.. thank you all again..