TELEPHONE SPEAKER AND RECEIVERS SPEAKER   (1 2 3)

 

   
sd150.jpg (1116 字节) Magnet         Ferrite magnet

Impedance   150+/-20%DIA at 1 KHz

Sensitivity     95+/-3dB 

S.P.L 60mv

   at 1KHz o dB 2x10(-5) Pa

sd150m.jpg (4497 字节)
     
sd158b.jpg (1659 字节)

Magnet         ND-Fe-B Magnet

Impedance   150+/-20%DIA at 1 KHz

Sensitivity     95+/-3dB 

S.P.L 60mv

at 1KHz o dB 2x10(-5) Pa

sd158bm.jpg (4938 字节)
     
sd159bh.jpg (1114 字节)

Magnet         Ferrite magnet

Impedance   150+/-20%DIA at 1 KHz

Sensitivity     87+/-3dB 

S.P.L 60mv

at 1KHz o dB 2x10(-5) Pa

MF.intensity axial     >-19dB at 1KHz O dB 1 A/M

MF.intensity radial   >-22dB at 1 KHz O dB 1 A/M

sd159bhm.jpg (4565 字节)
     
sd1510bh.jpg (1198 字节)

Magnet         Ferrite magnet

Impedance   150+/-20%DIA at 1 KHz

Sensitivity     95+/-3dB 

S.P.L 60mv

at 1KHz o dB 2x10(-5) Pa

MF.intensity axial     >-19dB at 1KHz O dB 1 A/M

MF.intensity radial   >-22dB at 1 KHz O dB 1 A/M

sd1510bhm.jpg (4724 字节)
     

 TELEPHONE SPEAKER AND RECEIVERS SPEAKER   (1 2 3)