详情介绍

1.1 USE TYPE 39.4x 18.6 mm
1.2 RATING POWER 2W
1.3 VOICE COIL IMPEDANCE 8 Ω±15%  at 1000Hz  1.0 V
1.4 RESONANCE FREQUENCY 930 Hz±20%  at 1.0 V（单体：650 Hz）
1.5 SOUND PRESSURE 85 ±3dB  0.5m / 1W  at  1000 1200 1500 2000 Hz  in average.
1.6 RESPONSE RANGE Fo – 8K Hz deviation 10 dB Max.
1.7 DISTORTION 10% max  at 1K Hz 1 W
1.8 MAX INPUT POWER 2.5W must be normal at a white noise for one second
1.9 VOICE COIL Φ 13.28
1.10 MAGNET SIZE Size  Φ12.5*1.4
1.11 BUZZ RATTLE Must be normal at sine wave 4.0 V
1.12 LOAD TEST White noise 2.0W 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

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