28R-K-AS
SPEAKER SPECIFICATION
| Outer Dimensions | 28mm |
| Rated (Max.)Input | 1 W |
| Voice Coil Imp. | 8 ± 1.2 Ω ( 2K Hz 1 V ) |
| Lowest Resonance Frequency ( fo ) | 400 ± 80 Hz ( 1 V ) |
| Sound Pressure Level | 89 ± 3 dB ( 0.1 w 0.1 m ) at(1.0)(1.2)(1.5)(2)KHZ |
| Frequency Response Deviation | 25dB max. ( fo 65 HZ - 15 K Hz ) -10 dB |
| Operating temperature | -20 +70 ± 2 ℃ Hours 2 0 ~ 5 0 % R.H. |
| Load test | White noise at 40 W 72 hours |
| Weight | g |
Other non-stipulated matters are based on CNS4784 4785 4786 based on JIS.C. 5530 5531
FREQUENCY RESPONSE CURVE(7*18)
