TELEPHONE SPEAKER AND RECEIVERS SPEAKER   (1 2 3)

 

 
sd1520b.jpg (1142 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

sd152bm.jpg (3911 字节)
     
sd153b.jpg (1194 字节)

Magnet         ND-Fe-B Magnet

Impedance   150+/-20%DIA at 1 KHz

Sensitivity     95+/-3dB 

S.P.L 60mv

      at 1KHz  dB 2x10(-5) Pa

sd153bm.jpg (3900 字节)
     
sd150t.jpg (1405 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

sd150tm.jpg (4570 字节)
     
sd150b.jpg (1162 字节)

Magnet         Ferrite magnet

Impedance   150+/-20%DIA at 1 KHz

Sensitivity     95+/-3dB

 S.P.L 60mv

a t 1KHz o dB 2x10(-5) Pa

sd150bm.jpg (4642 字节)
     

TELEPHONE SPEAKER AND RECEIVERS SPEAKER   (1 2 3)