High compression driver & tweeter
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Paul C
Super Member
A "Compression Driver" is a driver for a horn. If this is made for the top end, it is a tweeter, too. The "compression driver" is just the part that screws onto the end of the horn.
(And the term is just "compression driver", not "high compression".)
Here is an Eminence ASD1001S Compression Driver
Selenium D250-X
They could screw onto a horn lens, aka horn flare, like one of these tweeter lens:
This one is referred to as "baby butt cheeks" for some reason...
Horn lens and drivers can be mixed and matched to obtain the desired response, and even more, the desired dispersion pattern as controlled by the lens or flare. A horn lens that focuses the sound over a narrower pattern will be louder at a distance ("long throw"), but will beam the sound. If the listener is off to one side, the sound will be different. So in your living room, you sitting in the sweet spot will hear a different sound than your wife sitting on the couch a few feet away.
A lens that will spread the sound smoothly in your living room ("short throw") will not be as loud in an outdoor situation. The intended usage will determine the type of lens you choose.
Other tweeter designs include cones, domes, ribbons.
(And the term is just "compression driver", not "high compression".)
Here is an Eminence ASD1001S Compression Driver
Selenium D250-X
They could screw onto a horn lens, aka horn flare, like one of these tweeter lens:
This one is referred to as "baby butt cheeks" for some reason...
Horn lens and drivers can be mixed and matched to obtain the desired response, and even more, the desired dispersion pattern as controlled by the lens or flare. A horn lens that focuses the sound over a narrower pattern will be louder at a distance ("long throw"), but will beam the sound. If the listener is off to one side, the sound will be different. So in your living room, you sitting in the sweet spot will hear a different sound than your wife sitting on the couch a few feet away.
A lens that will spread the sound smoothly in your living room ("short throw") will not be as loud in an outdoor situation. The intended usage will determine the type of lens you choose.
Other tweeter designs include cones, domes, ribbons.
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