An interesting post regarding a faulty switch on a Rumble 100 in the post link provided. After reading his complaint I would say it probably relates to most Rumble amps irrespective of whether its a 15 or an 800..G Doggy has had a glance at the issue but Doggy scours everywhere for Rumble posts loll
Give the entire post a read guys and gals as there was a second complaint on the same posting from another reader...I also posted in the Rumble Club.
Issues w/ Fender Rumble 100
Also interesting that another in that thread with the same symptom fixed his himself with a $4 part!
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Went to a drive-in movie there that night and got chilled to the bone!
)