Either 3% vinegar or h2o2. Apply then let soak a minute or so then clear with clean water/distilled or RO
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