Mechanical Drawing:
Electro-Acoustic Parameters
1.Rated impedance Z: 4Ω
2.Resonance frequency F0: 750±20%Hz
(measured at 1ccm 2.05Vrms)
3.Measured characteristic sensitivity(at 0.7W(2.05V) in 10cm) 89± 3dB
1cc back cavity at the frequency point: 2kHz
Power Handing
Loudspeaker mounted in lifetime test device (2ccm back cavity, open front)
1. MAX.SHORT TERM POWER (1sec. ON / 60sec. OFF) 1W (RMS)
(pink noise, 2nd order high pass filtered, -3dB at 800Hz, crest factor 2)
2. MAX. CONTINUOUS POWER (168h) 0.7W (RMS)
(pink,noise, 2nd order high pass filterde, -3dB at 800Hz, crest factor 2)
