28R-B3-AS
DESCRIPTION SPEAKER
SPEAKER SPECIFICATION
| Outer Dimensions | 28 mm(See attached drawing) |
| Rated (Max.)Input | 1 W (2W) |
| Voice Coil Imp. | 8 ± 15% Ω ( 600 Hz 1 V ) |
| Lowest Resonance Frequency ( fo ) | 430 ± 20% Hz ( 1 V ) |
| Sound Pressure Level | 97 ± 3 dB ( 1w 100m ) at(1.0)(1.2)(1.5)(2.0)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 | g |
Other non-stipulated matters are based on CNS4784 4785 4786 based on JIS.C. 5530 5531