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User Manual for Neumann U 89 i Large Diaphragm Condenser Microphone Click to enlarge the picture
Contents of the user manual for the Neumann U 89 i Large Diaphragm
- Product category: Large Diaphragm Condenser Neumann
- Brand: Neumann
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Neumann Large Diaphragm Condenser
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User manual for the Neumann U 89 i Large Diaphragm contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Neumann product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Neumann user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Neumann product will considerably shorten its lifespan!
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Product description The nickel 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. - Variable large diaphragm microphone
- Pressure-gradient transducer with double membrane capsule
- Omnidirectional, wide-angle cardioid, cardioid, hypercardioid, and figure-8 characteristics
- Two-stage roll-off filter
- Switchable 6 dB pre-attenuation
UPC: 615104064492 In the Box Neumann U 89 i Large Diaphragm Condenser Microphone (Nickel) Wooden Box Limited 2-Year Warranty Table of Contents
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Technical parametersNeumann U 89 i Specs | | | Operating Principle | Pressure Gradient | | Transducer | Condenser | | Polar Pattern | Cardioid, Figure-8, Hypercardioid, Omnidirectional, Wide-Angle Cardioid | | Pattern Selection | Switched | | 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
140 dB SPL | | Pad | -6 dB | | THD | 0.5% | | Impedance | 150 Ohms | | Load Impedance | 1000 Ohms | | Sensitivity | 8 mV/Pa at 1 kHz into 1 kOhms | | | | Output Connectors | 1 x 3-Pin XLR | | Operating Current Consumption | 0.8 µA | | Operating Voltage | 48 V ± 4 V | | Length | 7.28" / 185 mm | | Diameter | 1.81" / 46 mm | | Weight | 0.88 lb / 400 g |
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