Pinball Posted March 6, 2014 Share Posted March 6, 2014 Hi, I have a GB NX2 212T and the tweeter doesn't seem to function. The story goes that when I got it a few months back I put my electro acoustic guitar through it, rather than dig our another amp/cab and damaged it somehow. I usually have the tweeters turned down to zero but turned them up to about half and played for a few minutes. Then all of a sudden I got some high pitched feedback. Since then no noticeable tweeter adjustment !!! Like I said I don't use the tweeters normally anyway but I keep thinking that I really should get it functioning as the makers intended. Any advice on what procedure to follow? Quote Link to comment Share on other sites More sharing options...
LawrenceH Posted March 7, 2014 Share Posted March 7, 2014 I'd have the tweeter out, take it out of circuit and check the resistance across the terminals with a multimeter. If it's dead then you'll need a new diaphragm or replacement tweeter unit. If it's not I'd check the continuity of the wiring and then move to the high pass side of the crossover, and/or attenuator. Quote Link to comment Share on other sites More sharing options...
Pinball Posted March 7, 2014 Author Share Posted March 7, 2014 Brilliant, thanks for that, Thats the sort of overview I needed. Although I have to admit that I'm going to have to look up some of those terms as I go Quote Link to comment Share on other sites More sharing options...
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