2403-260-00051 Datasheet, PDF (10/19 Pages) Knowles Electronics – RECEIVER-612-2-SC

2403 260 00051
3.2. Electro-Acoustic Parameters
Loudspeaker mounted in adapter acc. to 2.6.
1. Rated impedance
Z:
32Ω
2. Voice coil resistance
R:
28.8Ω±10%
3. Resonance frequency (measured @10mW)
f₀:
350Hz±15%
4. Maximum usable excursion xmax
p-p:
0.6mm p-p
5. Nominal characteristic sensitivity (calculated for 1W in 1m)
average from 1kHz to 3kHz
65±2dB
5.1. Measured characteristic sensitivity (at 10mW in 1cm)
average from 1kHz to 3kHz
85±2dB
6. THD
according chapter 2.1.
7. Rub & buzz
< 60dBSPL (300Hz -1500Hz) in 1cm at 10mW (566mV_eff)
All acoustic measurements at 23±2°C
3.3. Power handling
Receiver mounted in lifetime test device (open rear/open front)
1. Max short term power
75mW (RMS)
Signal: pink noise HP 2^nd order 800Hz, LP 10^th order 6,3kHz, crest factor 2
2. Max continuous power
(500h)
10mW (RMS)
Signal: pink noise shaped according to diagram below:
HP10^th order 100Hz, HP 2^nd order 400Hz, LP 10^th order 6,3kHz, crest factor 2
Release – Revision: F
Page 10 of 19
©2011 Knowles Electronics