U 89 i
Large diaphragm condenser studio microphone with a transformer-balanced circuit and five switchable polar patterns. Suited to voice-over, vocals and orchestral work, in a body smaller and lighter than the U 87.
- Five switchable polar patterns
- K89 dual-diaphragm condenser capsule
- Transformer-balanced circuit
- Low cut: linear, 80 Hz, 160 Hz
- Switchable 6 dB pre-attenuation, up to 140 dB SPL
- Nickel or black (mt) finish, wooden box
Grianghraif
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The U 89 i is a large diaphragm condenser microphone that pairs a transformer-coupled circuit with the K89 dual-diaphragm capsule. It uses a pressure gradient transducer and offers five polar patterns: omnidirectional, wide cardioid, cardioid, hypercardioid and figure-8. The tonal balance is described as staying consistent when switching patterns, with an even diffuse-field response and uncolored off-axis pickup.
A three-position low-cut filter (linear, 80 Hz, 160 Hz) helps with rumble and proximity effect. A switchable 6 dB pre-attenuation raises the maximum SPL from 134 dB to 140 dB at 0.5% THD. It was introduced in 1980 as a development of the U 87 concept, with a smaller and lighter body.
Typical uses include voice-over, film dubbing, vocals, and orchestral recording as a main or spot microphone. It connects through a 3-pin XLR and runs on 48 V phantom power. It comes in nickel (U 89 i) or black (U 89 i mt) and is supplied in a wooden box.
Físeán
Sonraíochtaí
- Branda
- Neumann
- Samhail
- U 89 i
- Catagóir
- Stiúideo › Micreafóin
Audio
- 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 = −42 dBV ± 1 dB
- Equivalent noise level, CCIR
- 28 dB
- Equivalent noise level, A-weighted
- 17 dB-A
- Signal-to-noise ratio, CCIR (re. 94 dB SPL)
- 66 dB
- Signal-to-noise ratio, A-weighted (re. 94 dB SPL)
- 77 dB
- Maximum SPL for THD 0.5%
- 134 dB
- Maximum SPL for THD 0.5% with preattenuation
- 140 dB
- Low cut filter
- lin, 80 Hz, 160 Hz
- Pre-attenuation
- Switchable 6 dB
Outputs
- Rated impedance
- 150 ohms
- Rated load impedance
- 1 kohms
- Maximum output voltage
- 0.3 dBu
- Matching connector
- XLR 3 F
Power
- Supply voltage (P48, IEC 61938)
- 48 V ± 4 V
- Current consumption (P48, IEC 61938)
- 0.8 mA
Physical
- Weight
- 400 g
- Diameter
- 46 mm
- Length
- 185 mm
- Colors
- Nickel (U 89 i), black (U 89 i mt)
In the box
- Packaging
- Wooden box