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11th July 2010, 12:21 PM
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#1 |
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diyAudio Member
Join Date: May 2008
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Neo3 simulation
I would like to simulate the Bohlender Graebner Neo3 planar tweeter, does anybody where to find the parameters for this?
I've done some experiments and compaired the measured freq/imp response with simulated curves in Basta and LspCad for the following parameters: Fs= 870 Hz Mms= 0.215 gram Bl = 0.6 N/A Cms = 0.1535 mm/N Qes = 13.1 Qms = 0.78 Sensitivity= 93 dB Vas = 0.125 liter Rms = 1.50 Ns/m Sd = 24 cm2 Qts = 0.74 Le = 0.0025 mH Qes seems a bit high, better suggestions, anyone? |
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13th July 2010, 03:14 AM
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#2 |
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diyAudio Member
Join Date: Dec 2005
Location: Idaho
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Neo3 pdr
These measurements are for the NEO3-PDR, which is a bit different from the standard NEO3. The measurements were done with the tweeter in the mounting flange and the rear cup attached.
Measurements were taken a few years ago with SpeakEasy. FS: 2400 Qms: 0.38 Qes: 15.2 Re: 3.5 Le: 0.01 Z: 4 QTS: 0.37 2.8V - SPL: 93.0 |
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