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28RR

DESCRIPTION SPEAKER



SPEAKER SPECIFICATION

Outer Dimensions 28 mm(See attached drawing)
Rated (Max.)Input 2 W (2.5W)
Voice Coil Imp. 2 ± 0.3 Ω ( 600 Hz 1 V )
Lowest Resonance Frequency ( fo ) 350 ± 70 Hz ( 1 V )
Sound Pressure Level 96 ± 3 dB ( 0.1 w 0.5 m ) at(0.6)(0.8)(1.0)(1.2)KHZ
Frequency Response  Deviation FO Hz ~ 20 KHz max -10 dB
Operating temperature -20 +70 ± 2 ℃ Hours 2 0 ~ 5 0 % R.H.
Load test White noise at 2 W 48 hours
Weight 10  g
   
Other non-stipulated matters are based on CNS4784 4785 4786 based on JIS.C. 5530 5531


FREQUENCY RESPONSE CURVE(7*18)



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