4.1 SOUND PRESSURE LEVEL
87±3dB SPL @1.0,1.2,1.5,2.0KHz in average (0dB SPL=20μPa)
Measuring condition: 0.1W (Sine wave) 0.1m measured with baffler shown in Fig.1.
4.2 IMPEDANCE: 8±15%Ω(@2KHz 1V) without baffler.
4.3 MEASURING DIAGRAM: Shown in Fig.1.
4.4 TYPICAL FREQUENCY RESPONSE CURVE: Shown in Fig.2.
4.5 RATED POWER:0.5W. MAX POWER:0.75W
4.6 RESONANCE FREQUENCY (F0):900±20%Hz @ 1V. (Without Baffler)
4.7 DISTORTION: Less than 15% at 1KHz, 0.5W
4.8 BUZZ RATTLE: Must be normal at sine wave 2.0V (at 600~ 10KHz frequency range)