品牌:AAC 型号:SDRP0612B-W20-04-F8-G 种类:送、受话器 规格尺寸:6*12（mm）
3. Electrical Requirments
3.1 Impedance 32±10％Ω
(at 1KHz in 179mV,when measured at terminals)
3.2 Rated Noise Power (in free air) 20 mW
3.3 Short Term Maximum Power (in free air) 30 mW
4. Acoustical Requirments
4.1 Sound Pressure Level 111±3dB with IEC318 Coupler
4.2 B* Resonance Frequency 550±100Hz (in free air)
4.3 Rated Frequency Range 300 - 3400Hz
4.4 Frequency Response curve: See Figure 1, Table 1
4.5 THD Input:179mVrms ＜5% (at 1000Hz,179mv)
4.6 Rub & Buzz
The input power shall be set at 10mW. Using an audio oscillator sweep from
300 to 3400Hz in free air. There shall be no buzzes,rattles, nor spurious noises
