57RR
DESCRIPTION SPEAKER
SPEAKER SPECIFICATION
Outer Dimensions | 57 mm(See attached drawing) |
Rated (Max.)Input | 7 W (10W) |
Voice Coil Imp. | 8 ± 1.2 Ω ( 700 Hz 1 V ) |
Lowest Resonance Frequency ( fo ) | 140 ± 28 Hz ( 1 V ) |
Sound Pressure Level | 89 ± 2 dB ( 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 7 W 48 hours |
Weight | 70 g |
Other non-stipulated matters are based on CNS4784 4785 4786 based on JIS.C. 5530 5531