Today is a saddest day in my life. After 3 years of using this wonder i woke up and see this!
No water its oil i think someone on factory work harder.
Hello,
Regarding your JTM, we have seen this before it is not oil or water, if you could please e-mail us on servicedesk@marshall.com, with the serial number of the amplifier and where you are based.
Kind Regards
Marshall Support