Neumann U 87 AI MT Multi-Pattern Mic with K67 Capsule, Omni, Cardioid, and Figure 8 Patterns, Pad and Filter in Woodbox Matte Black

The Neumann U 87 Ai is probably the best-known and most frequently used studio microphone the world over. Its smooth and refined sound is as iconic as its elegant exterior design. The U 87 Ai is the standard microphone for speech and vocals. Three polar patterns plus pad and low cut options make it adaptable to a wide range of applications.

Key Features

Variable large diaphragm microphone
Pressure-gradient transducer with double membrane capsule
The studio microphone classic
Three directional characteristics: omni, cardioid, figure-8
Switchable low frequency roll-off
Switchable 10dB pre-attenuation
Idial as main and as support microphone in the most differing recording situations

Technical Specs

Acoustical operating principle
Pressure gradient transducer
Directional pattern
Omnidirectional, wide angle cardioid, cardioid, hypercardioid, figure-8
Frequency range
20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm
20/28/22 mV/Pa
Rated impedance
200 ohms
Rated load impedance
1 kohms
Equivalent noise level, CCIR
26/23/25 dB
Equivalent noise level, A-weighted
15/12/14 dB-A
Signal-to-noise ratio, CCIR (rel. 94 dB SPL)
68/71/69 dB
Signal-to-noise ratio, A-weighted (rel. 94 dB SPL)
79/82/80 dB-A
Maximum SPL (tube characteristic) for THD < 0.5 %
117 dB
Maximum SPL (tube characteristic) for THD < 5 %
127 dB
Maximum output voltage
390 dBu
Dyn. range of the mic. amplifier (A-weighted, 0.5 %)
105 dB
Supply voltage (P48, IEC 61938)
48 V ± 4 V
Matching connector
XLR 3F
Weight
500 g, 1.1 lbs
Diameter
56 mm
Length
200 mm