产品详情

1.1 USE TYPE 31*21*6.0 mm
1.2 RATING POWER 1W
1.3 VOICE COIL IMPEDANCE 8 Ω+15%  at 1000Hz  1.0 V
1.4 RESONANCE FREQUENCY 1200 Hz±20%  at 1.0 V
1.5 SOUND PRESSURE 87±3dB  0.1m /0.1W  at  1.5K,2.0K,2.5K,3K Hz in Average.
1.6 RESPONSE RANGE Fo – 8K Hz deviation 10 dB Max.
1.7 DISTORTION 10% max  at 1K Hz 1W
1.8 MAX INPUT POWER 2.0W must be normal at a white noise for one second
1.9 VOICE COIL Φ 11.75
1.10 MAGNET SIZE Size  Φ11 *1.8
1.11 BUZZ RATTLE Must be normal at sine wave2.83V
1.12 LOAD TEST White noise 1 W 24 Hours
1.13 HEAT TEST 55℃±2℃ 20-25% H.M. 24 Hours
1.14 HUMIDITY  TEST 40℃±2℃ 90-95% H.M. 24 Hours
1.15 COLD TEST -20℃  2 Hours
1.16 POLARITY When a positive D.C current is applied to the voice coil terminal marked(＋).the diaphragm shall move forward
1.17 AFTER TEST After each test, place it in the indoor environment for 2 hours and test it. The test results shall meet the requirements of item 5，S. P. L shall not deviate more than 3 DB from the initial value.

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