Guest Lasant Posted January 31, 2009 Report Share Posted January 31, 2009 Hello all,This is my first post ever. I'm also an acoustics newb. The only repair I've done so far is refoaming my Advent Legacy IIs. Anyway, on to the point...I bought a pair of Advent Maestros from some jerk and the tweeters produce no sound whatsoever. I removed the tweeters and tried them in different speakers. The tweeters themselves are totally fine. I checked the crossover. Everything seems to be securely fastened. The fuse doesn't appear to be blown. All I can think is that the capacitor for the tweeter is no good. It appears to use a 4 MFD 100v capacitor. No luck finding one online.Do you all think if I scored a new capacitor and soldered it on, it would fix my problem?Thanks in advance,~LasantP.S.Just to be clear, the silent tweeter problem is happening in BOTH speakers. Weird, huh? Link to comment Share on other sites More sharing options...
Pete B Posted January 31, 2009 Report Share Posted January 31, 2009 Hello all,This is my first post ever. I'm also an acoustics newb. The only repair I've done so far is refoaming my Advent Legacy IIs. Anyway, on to the point...I bought a pair of Advent Maestros from some jerk and the tweeters produce no sound whatsoever. I removed the tweeters and tried them in different speakers. The tweeters themselves are totally fine. I checked the crossover. Everything seems to be securely fastened. The fuse doesn't appear to be blown. All I can think is that the capacitor for the tweeter is no good. It appears to use a 4 MFD 100v capacitor. No luck finding one online.Do you all think if I scored a new capacitor and soldered it on, it would fix my problem?Thanks in advance,~LasantP.S.Just to be clear, the silent tweeter problem is happening in BOTH speakers. Weird, huh?Do you know how to use an ohm meter or even a continuity tester?The fuse can look good and have a tiny blown spot.Just try a new fuse of the same rating if you don't know how to test for continuity.You should replace the cap with a low cost film type in my opinion. Link to comment Share on other sites More sharing options...
Guest Lasant Posted January 31, 2009 Report Share Posted January 31, 2009 Do you know how to use an ohm meter or even a continuity tester?The fuse can look good and have a tiny blown spot.Just try a new fuse of the same rating if you don't know how to test for continuity.You should replace the cap with a low cost film type in my opinion.First off, thank you for your speedy reply. I've used an ohmmeter on magnet wire when I was creating voice coils but I wouldn't know exactly how to use one in this situation. Do you know what my contact points should be and what reading I should get/look for? Would a fuse with a tiny blow spot cause just the tweeters to stop working? What's a "cap" and "film type?" Link to comment Share on other sites More sharing options...
Pete B Posted February 1, 2009 Report Share Posted February 1, 2009 First off, thank you for your speedy reply. I've used an ohmmeter on magnet wire when I was creating voice coils but I wouldn't know exactly how to use one in this situation. Do you know what my contact points should be and what reading I should get/look for? Would a fuse with a tiny blow spot cause just the tweeters to stop working? What's a "cap" and "film type?"The fuse only protects the tweeter.Measure the fuse for continuity, roughly 0 or a very low ohm value.Let us know what you read then we can look further if it is something else.cap = capacitorfilm = mylar or other similar types, not non-polar electrolytic Link to comment Share on other sites More sharing options...
Guest Lasant Posted February 3, 2009 Report Share Posted February 3, 2009 It WAS the fuse. I tested it with a multimeter and got no response. Then, I bypassed the fuse with some copper wire and it worked! Thanks! I'll use this setup until I can get some replacement fuses. Link to comment Share on other sites More sharing options...
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