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In Reply to: RE: Metal Cone loudspeakers -- Anyone like them? posted by jedrider on June 13, 2015 at 09:48:32
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Edits: 07/06/15Follow Ups:
You need metal cone to preserve the dynamics, otherwise you are running the music through a compressor, which apparently a lot of people likes...- coli
That's just hilarious .... Lol
One of the first things I noticed with my Thiel CS3.7 speakers was the exquisite dynamic response. I have never owned a pair of speakers that reproduced music with such realistic dynamics. I don't necessarily believe that metal diaphragms alone are responsible, but the way these speakers are designed make them sound more realistic than any other speakers I've owned. Moreover, they can play very loud without becoming harsh and strained like most other speakers I've heard. This aspect was quite noticeable when I heard them at the Thiel factory showroom powered by monstrous Krell monoblocks. The sound coming from these speakers reminded me of a live symphony orchestra because even when playing loud they still sounded smooth and musically pleasing.
Dynamics and compression are more function of the motor (magnet, coil, suspension...) than the cone material. Any type of cone material has natural frequency that affects the speaker sound. Metal can sound harsh, so can paper or plastics. Depends what the resonant frequencies are and how is the particular driver used.
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"One must be sane to think clearly, but one can think deeply and be quite insane."
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Edits: 06/13/15 07/06/15
It all depends. Perhaps you were comparing a bad sub with a better one, for reasons more complex than just the cone material.
Here is a counter-example: Rythmik's best sub for music (F12) is offered in two versions, one with an aluminum cone driver and one with a paper cone driver. The paper cone version is more dynamic. The metal cone is better for pushing high SPL at low frequencies, i.e. home theater. In this particular case, I suspect the metal cone is a fair bit heavier and thus it doesn't track the transients as well. But that's conjecture since I don't have the data.
If a paper cone is used in an application where there is a loss of dynamics due to cone flex, then I think it was misused.
What a nonsense. Sub-woofer is at most 40Hz. Any decent driver can do it. Cleanly? To high levels? No. You need good motor, good cone, good enclosure. Try two sub-woofers that differ only in the cone material and then come back.
Subjective impression of dynamic for bass comes from the midbass/upper bass
or lack of distortion when
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"One must be sane to think clearly, but one can think deeply and be quite insane."
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