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Rated Voltage

(Vo-p)

Operating Voltage

(Vo-p)

Max. Rated Current

(mA)

Coil Resistance

(ohm)

Min. Sound Output

(dBA)

Resonant Freq.

(Hz)

MT40-J5KNPR 5 3~7 80 27+/-4 85dB at 960 Hz / 10cm 1000~1500
MT40-J12LNPR 12 8~14 55 120+/-15 85dB at 960 Hz / 10cm 1000~1500
MT40-Q12LNPR 12 8~16 55 120+/-12 104dB / 10cm 1500
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