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Old 11th July 2010, 12:21 PM   #1
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Join Date: May 2008
Location: Malmö
Default 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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Old 13th July 2010, 03:14 AM   #2
rgodin is offline rgodin  United States
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Join Date: Dec 2005
Location: Idaho
Post 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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