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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: RE: An alternative to a 'tympani' would be a 20.7 size woofer! posted by Satie on January 23, 2017 at 23:30:39:
I think these frequences are right out of the production. After years of usage they are lower, at least the lowest ones. T-IIIA low bass have 46 and 55 Hz written on the frame of the driver. After 40 years it is 34 Hz for the lowest frequency even without being used for years. I have forgotten the values written on my T-IVa.
I am not sure the moving mass is that important for a dedicated bass driver. The old T-IIIA have a lot more moving mass (copper wires) than later models like T-I-D, T-IV and IVa.
The Apogee basses were not very low mass and did their job well.
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- RE: An alternative to a 'tympani' would be a 20.7 size woofer! - Roger Gustavsson 05:49:56 01/24/17 (0)
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