Neumann USM 69 I MT Stereo Microphone with Two Multi-Pattern K67 Capsules Matte Black

The Neumann USM69IMT Stereo Microphone with Two Multi-Pattern K67 Capsules | Matte Black has two separate dual-diaphragm capsules. These are mounted vertically and rotate against each other. The directional polar patterns can be selected separately for each capsule. The capsules operate independently from each other.

Key Features

Switchable stereo microphones
Two pressure-gradient transducers with double membrane capsules
MS- or XY-stereophony
Capsules rotary by 270°
Very low noise
Aperture and pick-up angles freely choosable
Directional characteristics reproducably switchable, omni, wide angle cardioid, cardioid, hypercardioid, figure-8

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
13 mV/Pa
Rated impedance
150 ohms
Rated load impedance
1 kohms
Equivalent noise level, CCIR
24 dB
Equivalent noise level, A-weighted
13 dB-A
Signal-to-noise ratio, CCIR (rel. 94 dB SPL)
70 dB
Signal-to-noise ratio, A-weighted (rel. 94 dB SPL)
81 dB-A
Maximum SPL for THD 0.5 %
132 dB
Maximum output voltage
3 dBu
Dyn. range of the mic. amplifier (A-weighted)
119 dB
Supply voltage (P48, IEC 61938)
48 V ± 4 V
Current consumption (P48, IEC 61938)
3.2 mA
Matching connector
XLR 5F
Weight
510 g, 1.1 lbs
Diameter
30+48 mm
Length
293 mm