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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
atmasphere's avatar
atmasphere
11,846 posts
 

@syhilly0107 They are held on by 2 Allen drive set screws, 1/16" driver takes them loose.

DO NOT try to pull them off without loosening the screws!! You may find that the shaft of the control comes out with it. The balance control is nla and the volume control is fragile also (but replaceable.

syhilly0107 OP
10 posts
 

i didnt see any holes for set screws. will check again 

thank you so much

syhilly0107 OP
10 posts
 

i checked very carefully, there are no set screws on the knobs anywhere

atmasphere's avatar
atmasphere
11,846 posts
 

@syhilly0107 Obviously Jud used different knobs over time. Before you do anything I'd call Rick at Signature Sound (he's one of our dealers) and see what he says. It really won't be worth it if you damage one of those controls!

syhilly0107 OP
10 posts
 

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..

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