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Neumann USM 69 i Variable Pattern Stereo Microphone - Nickel
The USM 69 i condenser stereo microphone is a studio microphone for intensity stereo recording. It is suitable for XY and MS recordings.
The USM 69 i stereo microphone 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.
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 |
Product Specs
| Acoustical operating principle | Pressure gradient transducer |
| Direct ional 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, CCIR1) | 24 dB |
| Equivalent noise level, A-weighted1) | 13 dB-A |
| Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) | 70 dB |
| Signal-to-noise ratio, A-weighted1)(rel. 94 dB SPL) | 81 dB |
| Maximum SPL for THD 0.5%2) | 132 dB |
| Maximum output voltage | 3 dBu |
| Supply voltage (P48, IEC 61938) | 48 V ± 4 V |
| Current consumption (P48, IEC 61938) | 2 x 0.7 mA |
| Matching connector | XLR5F |
| Weight | 510 g |
| Diameter | 30 + 48 mm |
| Length | 293 mm |
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