Telefon-Receiver ( TR ) SD-157B-7

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Telefon-Receiver ( TR ) - SD-157B-, ND-Te-B ,32±20%Ω at 1 KHz ,Impedance 108±2dB S.P.L.60mv

Magnet	Nd-Te-B Magnet
Impedance	32±20%Ω at 1 KHz 108±2dB S.P.L.60mv
Sensitivity	at 1 KHz 0dB 2X 10^-5; Pa