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U 89 I
Large Diaphragm
Condenser Microphone (Nickel)
Overview
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.
Features
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
Specifications
Analog Performance
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
General
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
Packaging
Info
Package Weight 2.3 lb
What’s In The Box
-Neumann
U 89 i Large Diaphragm Condenser Microphone (Nickel)
-Wooden
Box
Product Name | U 89 I |
---|---|
Brand | NEUMANN |
Sale Price | For Inquiry |
Mileage | Points :1,911.00 |
수량 | |
Product Code | P0000KOM |
Product Details | Large Diaphragm Condenser Microphone (Nickel) |
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