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In Reply to: RE: Low inertia of the moving masses, so as to get closer to the mechanical impedance of air, is what matters! posted by Timbo in Oz on April 13, 2017 at 18:52:55
I also have heard good electrostats sound real
and lifelike..... in some ways.
I'm never interested in just ONE WAY of
thinking-- about anything. Show me something
that really works, or an idea that might, and
I'll be right on it.
What I might object to is constant wranglings
excusing what does not work as well musically.
As an interesting aside, consider the many
excellent headsets out there today.
One can choose from many different dynamic or
"stat" models, and can choose either, or in some
cases, a combo of both technologies in the same
In that case, it's simple: choose the one that you like...
In the listening room, both "stats" and dynamic models
can involve the room well-- but there are different
actions and activities going on musically in the room
with each topology.
There certainly isn't any rathole here, simply
choose which topology fits your room and tastes the best..
In both cases, rather large radiating surface areas are
the best way to fully engage the room at low distortion.
Dennis wrote "In both cases, rather large radiating surface areas are
the best way to fully engage the room at low distortion."
Dennis, may I safely assume that you consider horns to be large surface area radiators because the impedance matching provided by the horn makes the mouth of the horn the effective radiating surface instead of the diameter of the driver driving the horn?
Horns are all different with differing
lengths and flare-rates, and geometry, so
no fast and easy rule...
Generally, the efficiency gain is about 3X--
maybe more, maybe less. In general, distortion
levels drop as efficiency increases.
Room coverage is bettered by the wider coverage
angles in most cases.
Remember that this all started in movie theatres
where owners liked the idea of covering 1000 people
with 8 watts. As movies got better, the speakers
had to keep pace, so both efficiency and bandwidth
were increased. Distortion levels plummeted as better
drivers and loading schemes continued to advance.
Without movie theatre's insistence on providing a
sense of presence and a sense of realistic dynamics
and voice accuracy, we'd be stuck with panels and
Clock-Radio speakers that can't get it up...
Oh, Wait! Many are using those anyway!
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