Transducer type. . . . . . . . . . . . . . . . . . . . . . . . . . . Dynamic Moving Coil
Operating principle ". . . . . . . . . . . . . . . . . . . . . . . . Pressure gradient
Frequency response. . . . . . . . . . . . . . . . . . . . . . . . 50 to 16.000 Hz
Polar pattern. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hypercardioid
Rear attenuation at 1 kHz. . . . . . . . . . . . . . . . . . . 23 dB at 120 °
Open circuit voltage
at 1 kHz (0 dB 1 V / Pa). . . . . . . . . . . . . . . . . . . . 2.9 mV / Pa
Magnetic field suppression. . . . . . . . . . . . . . . . . . 20 dB 50 Hz
Nominal impedance. . . . . . . . . . . . . . . . . . . . . . . . 200 Ω
Load impedance. . . . . . . . . . . . . . . . . . . . . . . . . . . ≥ 1000 Ω
Diaphragm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hostaphan ®
Casing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brass
Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-pin XLR male
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Length: 182 mm
Shaft diameter: 25.5 mm
Head diameter: 48.5 mm
Weight w / out cable. . . . . . . . . . . . . . . . . . . . . . . . 320 g

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Small hole in a frequency of 500 Hz - 1kHz, but quite normal for a dynamic microphone.
Taking singing test frequency to 1 meter. OK


OVERALL OPINION

Esas singing quite conclusive.
I'll re-test in instrument making. Its bright enough interesting insensitive to low.
Excellent product.
prices found: 200 €.