@sfstereo Good idea. Went to find my multimeter and it’s not in my toolbox! Will have to hunt for it. Haven’t used it for a year or so…
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There is a tiny wire to the coil and since the coil moves the wire constantly flexes and eventually will break. It may be visible, maybe need a magnifying class. My guess is that it's not fixable, at least not without specialized tools. I've had a couple of tweeters go this way due to a faulty crossover.
@sfstereo , found my multimeter. Forgot I had another toolbox. The faulty tweeter, as expected, shows an open load (infinite resistance).
@audphile1 , the retailer has been very responsive even late last night, and has said they will try to figure out how to get me a new tweeter (either through a spare that they have in the shop, or ordering through B&W). If through B&W, the lead time will be very long, I assume. I'm sure that the retailer must have missed doing a thorough check of the speakers when they acquired them to sell.
@jon_5912 , guessing your theory is correct regarding this tiny wire constantly flexing and eventually breaking. I’m wondering about purchasing a backup tweeter from B&W just in case - I plan to have these speakers for a very long time, as I feel I’ve managed to get to my "lifetime system". But you know how these things go. The replacement tweeter is very expensive though - they list it at over $800 USD (this is just for the tweeter itself, not for the full assembly which I wouldn’t need and is even more expensive). Wonder if I should pick up a spare crossover too!
I recently did something stupid (which will remain unmentioned) and lost all sound from a 702 S2 tweeter. I took a chance and ordered a new tweeter not wanting to have to go through the hassle of taking it in for repairs and hoping/gambling that it wasn’t a crossover issue. I ordered a replacement tweeter from a store on eBay as the B&W online store was showing not available. It turned out to be a good news story as the tweeter showed up in a few days, the replacement was relatively easy (after watching a few really good B&W tweeter replacement videos on YouTube), and my speakers are as good as new.
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