3.3. Electro-acoustic Parameters
Loudspeaker mounted in adapter acc. to 3.6.
1. Rated impedance
Z:
R:
32Ω
2. Voice coil resistance
28.8Ω±10%
400Hz±12%
0.64mm p-p
71±2dB
3. Resonance frequency (measured @20mW)
4. Maximum usable excursion xmax
f0:
p-p:
5. Nominal characteristic sensitivity (calculated for 1W in 1m)
average from 1kHz to 3kHz
5.1. Measured characteristic sensitivity (at 20mW in 1cm)
average from 1kHz to 3kHz
94±2dB
6. THD
according chapter 3.1.
7. Rub & buzz
< 60dBSPL (200Hz -2000Hz) in 1cm at 20mW (800mVeff)
All acoustic measurements at 23±2°C
©2011 Knowles Electronics
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