Mechanical Drawing:

Electro-Acoustic Parameters
1. Rated impedance                                                                                Z:                         8Ω
2. Voice coil resistance                                                                           R:                        7.2Ω  ± 15 %
3. Resonance frequency                                                                         F0:                       <1000Hz 
              (measured at 3.5ccm 253Vrms)
4. Measured characteristic sensitivity(at 0.8W in 3.16cm)                                                  102± 3dB
               3.5cc back cavity at the frequency point:                                                              2kHz
Power Handing
Loudspeaker mounted in lifetime test device (3.5ccm back cavity, open front)
1. MAX.SHORT TERM POWER (1sec. ON / 60sec. OFF)                                               1.2W(RMS)
(pink noise, 2nd order high pass filtered, -3dB at 1000Hz, crest factor 2)
2. MAX. CONTINUOUS POWER (96h)                                                                            0.8W(RMS)
(pink noise, 2nd order high pass filtered, -3dB at 1000Hz, crest factor 2)