2403-260-00089 Datasheet, PDF (9/18 Pages) Knowles Electronics – SPEAKER-1115-SC-NAUTILUS 180

2403 260 00089
4.1. Electro acoustic characteristics acc. IEC 268-5
Loudspeaker mounted in 1cm³ measurement adapter acc. to chapter 5.5
1. RATED IMPEDANCE
Z:
8Ω
2. VOICE COIL RESISTANCE
R:
7.4Ω ± 10%
3. RESONANCE FREQUENCY
f₀:
at 420mW
750Hz ± 10%
4. MAXIMUM LINEAR EXCURSION Xmax:
+/- 0.30mm
5. CHARACT. SENSITIVITY (1W in 1m)
average from 2kHz to 3kHz
73 ± 2dB
6. THD
7. RUB & BUZZ
according to chapter 5.1
no audible rub & buzz at 420mW
4.2. Power handling
Loudspeaker mounted in lifetime test device (closed Box 1ccm, open front)
Signal: pink noise with high-pass 12dB/Oct. at 800Hz, crest factor 2, used for all operating lifetime tests
1. MAX.SHORT TERM POWER 1sec ON, 1min. OFF, 60 cycles
Ambient temperature 70°C
2. MAX LONG TERM POWER 1min ON, 2min. OFF, 10 cycles
Ambient temperature 70°C
3. MAX. NOISE POWER
(PHC continuous) 500h
Ambient temperature 70°C
1000mW
600mW
500mW
(FREQUENCY RANGE IN TELECOM APPLICATION: 300Hz – 3,4kHz)
Revision: C
Page 9 of 18
©2011 Knowles Electronics