Neumann U 87 Ai mt Large diaphragm microphone

*op de foto getoond in een nikkel uitvoering met verende ophanging EA 87

• Acoustical operating principle Pressure gradient transducer
• Directional pattern Omnidirectional, cardioid, figure-8 plus
• Frequency range 20 Hz ... 20 kHz
• Sensitivity at 1 kHz into 1 kohm 20/28/22 mV/Pa1)
• Rated impedance 200 ohms
• Rated load impedance 1 kohms
• Equivalent noise level, CCIR2) 26/23/25 dB1)
• Equivalent noise level, A-weighted2) 15/12/14 dB-A1)
• Signal-to-noise ratio, CCIR2) (rel. 94 dB SPL) 68/71/69 dB1)
• Signal-to-noise ratio, A-weighted2) (rel. 94 dB SPL) 79/82/80 dB1)
• Maximum SPL for THD 0.5%3) 117 dB (cardioid)
• Maximum SPL for THD 0.5% with preattenuation3) 127 dB
• Maximum output voltage 390 mV
• Dynamic range of the microphone amplifier (A-weighted) 105 dB
• Supply voltage (P48, IEC 61938) 48 V ± 4 V
• Current consumption (P48, IEC 61938) 0.8 mA
• Matching connectors XLR3F
• Weight 500 g
• Diameter 56 mm
• Length 200 mm
• mt = matt (black) version

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1)Omnidirectional / cardioid / figure-8
2) according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3, quasi peak; A-weighting according to IEC 61672-1, RMS
3) measured as equivalent el. input signal