拜亚动力扩声话筒　beyerdynamic　MM1

■Transducer type: Condenser (back electret)
■Frequency response: 20 - 20,000 Hz (50 - 16,000 Hz ± 1.5 dB)
■Open circuit voltage at 1 kHz (0dB = 1V/Pa): 15 mV/Pa (≡ -36.5 dBV) ± 1 dB
■Load impedance: ≥ 2.2 kΩ
■Max. SPL at 1 kHz: 128 dB
■S/N ratio rel. to 1 Pa: > 57 dB
■Power supply: 12 - 48 V phantom power
■Length: 133 mm
■Weight without cable: 88 g