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AUDC99

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Everything posted by AUDC99

  1. For posterity's sake, in case anyone down the line runs into this issue, after testing all resistors and caps and wires and cables and swapping l/r connections, I simply couldn't figure out what was causing this issue where the tweeter would cut out for perhaps volume reasons but would return once I simply connected the speaker cable connection from the amp to a 9-volt battery and reconnecting the cable to the amp. The tweeter wasn't blown in any normal sense of the word; it would just simply cut out. And then restart like normal. Repeat. I still don't know what the issue is, but I resolved the problem by replacing the tweeter with another tweeter (found the same SEAS on ebay). If anyone has any thoughts on this, I'd still love to hear it.
  2. So I've done that now, and it does follow the speaker, so that means now I simply can't think of anything else it could be: all the resisters test fine. The cables test fine. The Cap tests fine. The wires from resisters/cap test fine. The speaker isn't blown, since it returns to full function after it cuts out. It seems to be a volume thing, but other than that, I simply can't think of anything else!
  3. So I've done that now, and it does follow the speaker, so that means now I simply can't think of anything else it could be: all the resisters test fine. The cables test fine. The Cap tests fine. The wires from resisters/cap test fine. The speaker isn't blown, since it returns to full function after it cuts out. It seems to be a volume thing, but other than that, I simply can't think of anything else!
  4. You know, it's funny. I've not tried this, but I should've probably tried this first, rather than doing the more complicated tests as I've done! I think it might be the speaker wire. I just never tried it cause it didn't have that issue with the KEFs.
  5. Thanks for this. That was my first thought, too. I haven't pulled it out as proposed, though that's a good idea, but I have re-soldered the connections at the crossover and at the tweeter end to no effect.
  6. I just used actual real Walnuts and rubbed them over the speakers. It doesn't even take but a handful! Works beautifully! I guess if it soaks in and needs more, well, dip into the bag and grab some more!
  7. Hi, I bought a pair of A-25s. They seemed to have never been opened before because when I was sussing the issue, the glue was all in place. I run a ST-70 and a PAS-3 (and Hafler 101). One of the tweeters cut out. Thought it was blown. Opened cab. Tested all resisters / caps. They all are good. I tested re-soldered connections to speakers. Used the battery test. Everything checked out. Reconnected speakers. Tweeter worked. Then cut out. I repeated the process. Tweeter worked. Then it didn't. In fact, as I was typing this, it just happened again (thought it's been stable for a few hours). Very frustrating because I can't tell what's causing the issue. Everything seems to work until it doesn't, and there's no obvious problem/weak spot. Then, one time, when it went out again, I did the battery test by disconnecting the speaker cab cables from the ST-70 to check that tweeter wasn't blown; it wasn't. When I reconnected the cables, it worked again. So now when it happens; I've been doing that process: disconnect cable from ST-70 > Battery Test > Reconnect Cable. And it always works. Until it doesn't. It was stable all day today, but as I typed this, it's happened 2x. This last time, as I was disconnecting the ground cable, the tweeter worked. So then I sat down type, and it went out again. So I just disconnected and reconnected the cables without the battery test, but that didn't work. So I did the batter test, and, yep, the tweeter works again. For now. With my other speakers (KEF Q series), this problem never arose, so that confounds me further. Anyway, thoughts at all on what this could be? Thanks!
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