Neumann U 89 i

Neumann U 89 i

Switchable Studio Microphone

Neumann O410

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 Neumann U 89 i Switchable Studio Microphone

Neumann U 87 Ai
Product Code: U89i
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The U 89* is a studio microphone for universal applications. The headgrille protects a dual-diaphragm capsule. A rotary switch below the headgrille selects from five different polar patterns. Therefore the microphone can be adapted easily to large sound sources, and those that are spread wide apart, or to sound sources to be recorded at a greater distance.

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.

Applications
The U 89 i is similar in appearance to the U 87. It is of smaller size, and lighter weight. It features five instead of three directional characteristics and a higher maximum sound pressure level which make this microphone easier adaptable to different applications.

Polar patterns
In addition to the usual directional polar patterns: omnidirectional, cardioid, and figure-8, we have added a hypercardioid and wide-angle cardioid characteristic. 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.

Acoustic features
The microphone is addressed from the front, marked with the Neumann logo. 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.

As a result 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 it is elastically mounted to avoid any structure borne noise that could interfere with its operation.

Filter and attenuation
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 headgrille. This filter suppresses low frequency interference, yet maintains an even frequency response for close-up sound sources, for example, when proximity effect could adversely affect the program material.

A steep high-pass filter in the LIN position prevents the output transformer of the microphone from being overloaded due to undesired subsonic frequencies.

Operational safety
All exposed surfaces of the microphone capsule, including the diaphragms, are at ground potential. This technology 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
Five directional characteristics: omni, wide angle cardioid, cardioid, hypercardioid, figure-8
Thereby most versatile in all recording situations
Two-stage roll-off filter
Switchable 6 dB pre-attenuation
Extended frequency range in comparison to U 87 Ai
Acoustical operating principle Pressure gradient transducer
Directional pattern Omnidirectional, wide angle, cardioid, hypercardioid, figure-8
Frequency range 20 Hz ... 20 kHz
Sensitivity at 1 kHz into 1 kohm 8 mV/Pa
Rated impedance 150 ohms
Rated load impedance 1 kohms
Equivalent noise level, CCIR1) 28 dB
Equivalent noise level, A-weighted1) 17 dB-A
Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 66 dB
Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 77 dB
Maximum SPL for THD 0.5%2) 134 dB
Maximum SPL for THD 0.5% with preattenuation2) 140 dB
Maximum output voltage 800 mV
Supply voltage (P48, IEC 61938) 48 V 4 V
Current consumption (P48, IEC 61938) 0.8 mA
Matching connector XLR3F
Weight 400 g
Diameter 46 mm
Length 185 mm
 

 

 
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Current Accessories

Neumann 18112014
Studio Monitor Systems - KH 420 | O 410 | KH 310D | KH 310A | KH 120D | KH 120A | M 52 | KH 870 | KH 810 |
Current Microphones - BCM 104 | BCM 705 | D-01 | KK104S / KK105S | KK 204 / KK 205 | KM 120 | KM 130 | KM 131 | KM 140 | KM 143 | KM 145 | KM 150 | KM 183 |
KM 184 | KM 185 | KM 183A | KM 184A | KM 185A | KM 133D | KM 183D | KM 184D | KM 185D | KM A | KM D | KMR 81 i | KMR 81 D | KMR 82 i | KMS104 / KMS105 |
KMS 104 D / KMS 105 D | KU 100 | M 147 Tube | M 149 Tube | M 150 Tube | TLM 102 | TLM 103 | TLM 103 D | TLM 107 | TLM 170R | TLM 193 | TLM 49 | TLM 67 |
U 87 Ai | U 89 i | USM 69 i | U 47 fet |
Current Accessories - AC 20 | AC 21 | AC 22 | AC 23 | AC 25 | AC 26 | AC 27 | AC 28 | AC 29 | AC 30 | AK 20 | AK 30 | AK 31 | AK 40 | AK 43 | AK 45 | AK 50 |
BCK | BS 48 i | BS 48 i-2 | Conn Kit AES/EBU | Conn Kit S/PDIF | USB - RS 485 | DMI-2 Portable | DMI 8 | DS 100-1 | DS 120 | EA 1 (mt) | EA 170 (mt) | EA 2 (mt) |
EA 2124 A (mt) | EA 4 (bk) | EA 87 (mt) | EA 89 A (mt) | IC 3 (mt) | IC 4 (mt) | IC 5 (mt) | IC 6 (mt) | IC 7 | K 11 | K 3 x 0.08 | K 3 x 0.2 | K 5 x 0.14 | K 7 X 0.14 |
KA 100 | KK 120 (nx) | KK 131 (nx) | KK 133 (nx) | KK 143 (nx) | KK 145 (nx) | KK 183 (nx) | KK 184 (nx) | KK 185 (nx) | KM 100 | KM A (nx) | KM D (nx) | KT 5 | KT 8 |
KVF 118 KA | KVF 158 KA | KVFF 148 KA | KVG 1120 nx | KVG 130 nx | KVG 160 nx | LC 2 | LC 3 KA | LC 4 | M 210/1 | M 212 c | M 214/1 | M 252 | MCA-ES | MF 2 |
MF 3 | MF 4 | MF 5 | MF-AK | MNV 100 | MNV 21 mt | MNV 87 mt | MTX 191 A | MZEF 8060/8120 | MZGE 8000 | MZGE 8002 | N 149 A | N 248 | PA 100 | PS 15 | PS 20 a |
SBK 130 A | SG 100 | SG 100-1 | SG 105 | SG 109 | SG 110 nx | SG 2 | SG 21 bk | SG 287 | SG 289 | SG 5 | SG-AK | SGE 100 | SMK 100 A | SR 100 | STH 100 | STH 120 |
STV 4/20/40/60 | TF 221 C | WKD-AK | WKE 191 Set | WKE 81 Set | WKE 82 Set | WNS 100 | WNS 110 | WNS 120 | WS 100 | WS 2 | WS 47 | WS 69 | WS 81 | WS 82 | WS 87 |
WS 89 | WSB | Z 26 mt |