31R-TA
DESCRIPTION SPEAKER
SPEAKER SPECIFICATION
Outer Dimensions | 31 mm(See attached drawing) |
Rated (Max.)Input | 20 W (30W) |
Voice Coil Imp. | 4 ± 0.6 Ω ( 3500 Hz 1 V ) |
Lowest Resonance Frequency ( fo ) | 2500 ± 500 Hz ( 1 V ) |
Sound Pressure Level | 90 ± 2 dB ( 1 w 1 m ) at(3.0)(5.0)(7.0)(9.0KHZ |
Frequency Response Deviation | FO 2000 Hz ~ 20 KHz max -10 dB |
Operating temperature | -20 +70 ± 2 ℃ Hours 2 0 ~ 5 0 % R.H. |
Load test | White noise at 30 W 48 hours |
Weight | 13.6 g |
Other non-stipulated matters are based on CNS4784 4785 4786 based on JIS.C. 5530 5531