I have a pair of cheap 32mm tweeters here I removed from a set of experimental speakers a while ago.
For the Aussies they came from Jaycar and were sold as a "High-Power" mid-range which they never were having an Fs of 750Hz.
The central vent hole in the pole piece is 16mm in diameter and what looks like polyester fabric in the very small chamber at the rear.
FerroFluid is still liquid
Not the smoothest tweeter I have ever played with and I'm wondering it is worthwhile removing the black plastic cap from the rear and making something a little larger filled with wool
For the Aussies they came from Jaycar and were sold as a "High-Power" mid-range which they never were having an Fs of 750Hz.
The central vent hole in the pole piece is 16mm in diameter and what looks like polyester fabric in the very small chamber at the rear.
FerroFluid is still liquid
Not the smoothest tweeter I have ever played with and I'm wondering it is worthwhile removing the black plastic cap from the rear and making something a little larger filled with wool
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I bought these S/H for not very much money a long time ago; so if I stuff up any modifications I'm not loosing much. I have seen similar tweeters with the pole piece hole filled with foam, with other fibres and with thin felt pad over the top of the pole piece too.
All of which I would consider worthwhile playing with.
If it works out the intended use is new party speakers using an old RadioShack 10 inch midrange crossed as high as I can get away with if I use passive 3k as the XO frequency the old 10" will be OK with a simple first order electrical roll-off and a Zoble conjugate
All of which I would consider worthwhile playing with.
If it works out the intended use is new party speakers using an old RadioShack 10 inch midrange crossed as high as I can get away with if I use passive 3k as the XO frequency the old 10" will be OK with a simple first order electrical roll-off and a Zoble conjugate
Reading
Large domes
and from an old issue of speaker builder [ 7 / 1996] some notes by Larry Van Wormer
I think that adding some soft wool and putting a felt cap over the hole will work
I think that article by Mr Van Wormer has been cited on this forum before; it looked familiar when I read it
Large domes
and from an old issue of speaker builder [ 7 / 1996] some notes by Larry Van Wormer
I think that adding some soft wool and putting a felt cap over the hole will work
I think that article by Mr Van Wormer has been cited on this forum before; it looked familiar when I read it
That was so easy I forgot to take photos.
Taking the plastic back off took a bit of effort but easy enough I did as Van Wormer and wrapped some long fibre wool in thin open foam and inserted it in the hole. I then added a thin disc of polyester felt and siliconed the backs back on. I think the seller of these S/H units had also been playing with these, different glues and different felt plugs at the bottoms of the pole piece hole
Taking the plastic back off took a bit of effort but easy enough I did as Van Wormer and wrapped some long fibre wool in thin open foam and inserted it in the hole. I then added a thin disc of polyester felt and siliconed the backs back on. I think the seller of these S/H units had also been playing with these, different glues and different felt plugs at the bottoms of the pole piece hole
Mine still does. Maybe it's a GUI quirk -- try adding a 2nd track, then start the playback, pause it, rewind the position, click record, and finally un-pause it, or something like that.
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