i just noticed that one of my s-s d2604/833000 modulates with the midwoofer excursion which it share enclosure cavity with! i tried to tighten the screws that hold the faceplate to the top plate but with no luck! and a d2604/830000 which i bought recently had severe rub n buzz issue seen as a very ragged impedance response 
I had a lot of rub and buzz issues with the Vifa DX series that these are based on. The plastic faceplate is badly designed and warps. Over tightening the screws can make things worse. If i remember correctly I had some success with making my own foam gaskets, and tightening each screw just the right amount for it to seal and not buzz... then immediately selling them
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no the xo is fine, i noticed this tweeter dome modulation when i pushed the midwoofer cone inwards then the tweeter dome moved outwards, so there seems to be a huge leakage in the tweeter construction, though i can not see any. sealant i will try. thanks
I think you have everybody worried now!
It's not unknown for tweeters to be mounted with a little sealed wooden enclosure behind them. Isolate them from the bass of course.
Just can't think of an example right now. But you do wonder if this is why some tweeters get annoying at high levels.
Not much sealing there, this being my SEAS 19TAF/G, which clips together.
It's not unknown for tweeters to be mounted with a little sealed wooden enclosure behind them. Isolate them from the bass of course.
Just can't think of an example right now. But you do wonder if this is why some tweeters get annoying at high levels.
Not much sealing there, this being my SEAS 19TAF/G, which clips together.
I think you have everybody worried now!
It's not unknown for tweeters to be mounted with a little sealed wooden enclosure behind them. Isolate them from the bass of course.
Just can't think of an example right now. But you do wonder if this is why some tweeters get annoying at high levels.
Not much sealing there, this being my SEAS 19TAF/G, which clips together.
i am so sorry, it was not my intention to worry anyone
i know that some tweeters with double back chambers and a rear plastic cup of a flimsy type, can have problems with modulation, but i did not know that they could leak
yes i did as you said, disconnected the tweeter and pushed the woofer cone, still the same problem
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