User manual for Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT
- Manufacturer: Neumann
- Basic description and contents of package
- Product classification: Pro Audio - Recording - Large Diaphragm Condenser
- Safety instructions
- Startup and operation of the large diaphragm condenser
- Tips for setting up your Neumann
- Settings and expert assistance
- Contact Neumann service
- Warranty information
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User manual for the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT
The user manual for the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT provides
necessary instructions for the proper use of the product Pro Audio - Recording - Large Diaphragm Condenser.
The black U 89 i Large Diaphragm Condenser Microphone from Neumann is a studio microphone for multiple applications. The head grille protects a dual-diaphragm capsule and a rotary switch below the head grille selects from five different polar patterns.
The amplifier accepts sound pressure levels up to 134 dB without distortion. This figure can be increased to 140 dB. An additional rotary switch activates a filter that changes the low frequency response either below 80 Hz or 160 Hz frequency.
This microphone has omnidirectional, cardioid, figure-8, hypercardioid, and wide-angle cardioid characteristics. When compared to the standard cardioid pattern, the hypercardioid characteristic suppresses sound from the side more efficiently. The wide-angle polar pattern is especially useful to record large sound sources.
The microphone is addressed from the front. The large diaphragm capsule has a very smooth frequency response for all polar patterns over a wide acceptance angle. The frequency response curves are flat up to 10 kHz within a pickup angle of ± 100°. The U 89 i has a very even diffuse-field response for all polar patterns. This is important in a reverberant environment when more reflections arrive at the microphone capsule. The acoustic information is not affected in its tonal quality when recorded by the microphone. This characteristic is achieved without resorting to corrective resonance effects. The capsule is elastically mounted to avoid any structure borne noise that could interfere with its operation.
The amplifier handles sound pressure levels up to 134 dB without distortion. With a self noise level of 17 dB (A-weighted) the total dynamic range is 117 dB. Maximum sound pressure level is 140 dB when the - 6 dB rotary switch is in the ON position.
A low frequency roll-off at 80 Hz or 160 Hz can be activated with another rotary switch below the head grille. This filter suppresses low frequency interference, yet maintains an even frequency response for close-up sound sources. A steep high-pass filter in the LIN position prevents the output transformer of the microphone from being overloaded due to undesired subsonic frequencies.
All exposed surfaces of the microphone capsule, including the diaphragms, are at ground potential. This makes them highly immune to electrical and atmospheric interference and contamination through microscopic dust particles.
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Additional parameters of the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT:
| Operating Principle || Pressure Gradient |
| Transducer || Condenser |
| Polar Pattern || Cardioid, Figure 8, Hypercardioid, Omnidirectional, Wide-Angle Cardioid |
| Frequency Range || 20 Hz to 20 kHz |
| Signal to Noise Ratio || 66 dB CCIR |
77 dB A-Weighted
| Equivalent Noise Level || 28 dB CCIR |
17 dB A-Weighted
| Maximum SPL || 134 dB SPL 0.5% |
140 dB SPL 0.5% with 6 dB Pad Engaged
| Impedance || 150 ohms |
| Load Impedance || 1 kOhms |
| Sensitivity || 8 mV/PA @ 1 kHz into 1 kOhms |
| Power Requirements || 48 V+/- 4 V |
| Pad || Yes, 6 dB |
| Output Connectors || 3-pin XLR |
| Operating Current Consumption || 0.8 µA |
| Length || 7.28" (185 mm) |
| Diameter || 1.81" (46 mm) |
| Weight || 0.88 lb (400 g) |
The user manual for the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT can be downloaded in .pdf
format if it did not come with your new large diaphragm condenser, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Neumann users keep a unique electronic library
for Neumann large diaphragm condensers,
where you can use our link to download the user manual for the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT.
The user manual lists all of the functions of the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT,
all the basic and advanced features and tells you how to use the large diaphragm condenser.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Neumann service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the Neumann U 89 i Large Diaphragm Condenser Microphone U 89 I MT. User manuals are also
available on the Neumann website under Pro Audio - Recording - Large Diaphragm Condenser.
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