規格:EL19
參數:SPECIFCATIONS:14.4kbps
IMPEDANCE: PRI&SEC=600 OHMS±3%ON PRI.WITH
                   560 OHMS LOAD ON SEC. @1KHz,1Vms
D.C.RESISTANCE:PRI:1-3=75 OHMS±15%@20℃
               SEC:4-6=100 OHMS±15%
TURNTATIO:(PRI:SEC)=1-3:4-6=0.958:1 ±2%
D.C.CURRENT: 90mA MAX.
INXERTION LOSS: 1.9dB MAX @1KHz
FREQUENCY RESPONSE: ±2.5dB ,300Hz---600Hz
                    ±0.75dB ,600Hz---3.5KHz
LONGITUDINAL BALANCE:  60dB ,60Hz---1KHz
                       40dB ,1KHz---4KHz