F-1X Service

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Author Message lownotes New Username: lownotes Post Number: 1 Registered: 12-2010 Posted on Saturday, December 18, 2010 - 8:41 am:    Help! I cannot live without my F-1X preamp. It is distorting. I tried to open it up to check the tube, but I do not have the correct wrench for the side screws. Anybody know what size that takes? Looks like a very small allen wrench type. Anyone know where I can get the unit serviced, preferably in the Denver, CO area? Thanks for any help!! mica Moderator Username: mica Post Number: 7108 Registered: 6-2000 Posted on Saturday, December 18, 2010 - 9:23 am:    Sorry I don't recall the driver size, but you don't need to open the case to remedy this problem 95% of the time, follow the advice on this page and you should be good to go. lownotes New Username: lownotes Post Number: 2 Registered: 12-2010 Posted on Saturday, December 18, 2010 - 11:20 am:    Thank you! I will try that and report back! (The unit was in my rack, so I'm VERY hopeful!) gtrguy Advanced Member Username: gtrguy Post Number: 333 Registered: 9-2004 Posted on Saturday, January 08, 2011 - 11:38 am:    A 9mm pistol brass cleaning brush and some rubbing alcohol will also do a good job on the 1/4 input jacks on anything guitar related! Just flick most of the liquid off the cleaning brush first.