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I recently bought a Wurlitzer 140B that puts out very low volume with a lot of hiss/white noise, other than that everything seems to function like it should. I noticed that what I think are resistors look like they are falling apart, see the first picture. Would that cause the hiss or is that symptomatic of another problem? I have some basic experience with electronics and could switch out the parts, just want to make sure I'm headed in the right direction. I also attached a picture of the whole circuitboard. Thanks for the help.