TECHNICAL SPECIFICATIONS
Transducer type. . . . . . . . . . . . . . . . . . . Dynamic
Operating principle. . . . . . . . . . . . . . Moving coil
Frequency response. . . . . . . . . . . 70 - 12,000 Hz
Polar pattern. . . . . . . . . . . . . . . . . .  . . . . .cardioid
Sensitivity at 1 kHz . . . . . . . . . . . . . .  0.2 mV/uBar
Nominal impedance . . . . . . . . . . . . . .  . 200 Ohms
Diaphragm . . . . . . . . . . . . . . . . . .   Pure aluminium
Case/finish . . . . . . . . . . . . . . . . . . . . . . . . . Brass
Connector . . .  . . . . . . . . . . . . . . . . 3-pin DIN T3262
Dimensions . . . . . . . . . . . . . . . . . Length: 107 mm
                                           Shaft diameter: 23 mm
                                           Head diameter: 45 mm
Weight without cable . .. . . . . . . . . . . . . . . . 226 g
Year of manufacture (approx.). . . . . . . . . . . .1964

Specifications submitted by Johannes Brüning from his personal German radio studio archive.

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