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Neumann KMR 81 D Digital Shotgun Microphone

  • Lifetime Tech Support
  • Just Updated!
  • Q & A
  • Product Highlights
  • Digital Version of the KMR 81 i
  • Neumann Quality A/D Conversion
  • Internal Peak / Limiter Compressor
  • Impervious to RFI Noise
  • High Lateral & Back Attenuation
  • Uncolored, Unform Signal Response
You Pay: $1599.95 QTY
  • Lifetime Tech Support
  • Just Updated!
  • Q & A
  • Product Highlights
  • Digital Version of the KMR 81 i
  • Neumann Quality A/D Conversion
  • Internal Peak / Limiter Compressor
  • Impervious to RFI Noise
  • High Lateral & Back Attenuation
  • Uncolored, Unform Signal Response

Digital Shotgun Condenser Microphone (Black)

Overview

The Neumann KMR 81 D Digital Shotgun Microphone is a digital version of the coveted Neumann KMR 81 i shotgun microphone. This digital counterpart to the KMR 81 i exhibits all the benefits of its lobe/supercardioid polar pattern with professional grade A/D conversion and an internal compressor / limiter to avoid digital peak clipping. The capsule features a combination of a pressure gradient transducer and an interference tube.

If the wavelength of the frequency is longer than the tube length, the microphones work as pressure gradient transducers. At higher frequencies they operate as interference transducers for lateral sound. As a result all off-axis sound sources are attenuated without coloration. The KMR 81 D is well suited to record individual instruments, vocals and speech within highly ambient environment and much more.

Note! This is a digital microphone and requires a converter kit (not included) for operation.

Features

  • Interference tube microphone with shotgun directional characteristic
  • Interference/pressure-gradient transducer
  • High lateral and back attenuation
  • 90 recording angle
  • Extensive accessories for outdoor use
  • Light weight: 3.17oz (90g)
  • The legendary Neumann sound in the digital realm. Pure Neumann capsule sound
  • The satisfaction of recording the uncolored original, with no "bottlenecks" between the capsule and the recording system
  • The guarantee of having one of the best A/D converters available
  • Anti-clipping processing ensures handling safety, and reduces stress
  • Reduced time requirements and personnel costs, particularly due to faster post production processing
  • Lower investment costs, since separate A/D converters and preamps are no longer needed. This also means space and weight savings (e.g. in the OB van)

Specifications

  • Transducer: Interference transducer
  • Polar Pattern: Supercardioid/lobe
  • Frequency Response: 20Hz to 20kHz
  • Dynamic Range (Typical): 114dB
  • Signal-to-Noise Ratio:
    Equivalent noise level, CCIR: 21dB
    Equivalent noise level, A-weighted: 9dB-A
    Signal-to-noise ratio, CCIR: 73dB
    Signal-to-noise ratio, A-weighted: 85dB
  • Maximum Input Sound Level: SPL at 0 dBFS: 123 dBSPL
  • Sensitivity: Free-field sensitivity: -36 dBFS
  • Preset:
    - Sampling rates: 48kHz
    - Gain: 10dB
    - Compressor on, Attack time 100ms, Release time 0.5s, Threshold -10 dBFS, Ratio 2:1
  • A/D Conversion: Neumann process (patented), 28-bit internal word length
  • Digital Signal Processing (DSP): Fixed-point, variable internal word length 28 bits to 60 bits
  • Synchronization:
    - Asynchronous operation (free-running, AES42 - Mode 1), basic frequency accuracy: +/- 25 ppm
    - Synchronous operation (AES42 - Mode 2), pulling range: Min. +/- 100 ppm
  • Remote Operation:
    Interface: AES42
    Remote controlled functions:
    - Polar pattern4)
    - Low-cut: flat, 40, 80, 160Hz
    - Pre-attenuation: 0 , -6, -12, -18dB
    - Gain: 0...63dB in 1dB steps, clickless
    - Test signal: 1 kHz, pink noise, white noise
    - Parametric compressor/limiter (incl. de-esser function)
    - Independent peak limiter avoiding any clipping
    - Switch functions: soft muting, phase reverse, signal lights
    - Signal lights: red and blue LEDs
    - System functions, firmware download
  • Power Requirements: Supply voltage range: +7V to +10.5V
    Current consumption: max. 150 mA
  • Output Connectors: XLR3M, 24 bits as per AES/EBU (AES3)
  • Dimensions (LxDiameter): 8.36 x 1.46" (212 x 42mm)
  • Weight: 3.17oz (90g)

Applications

  • Shotgun microphones are particularly useful in recording situations where a microphone cannot be positioned within the desired distance of the sound source to produce a sufficiently loud signal level.
  • Typical applications are film and video recordings, where the microphone should not appear in the picture.
  • The KMR 82 is very often used on stage. The KMR 81 has been specifically designed for electronic news gathering.

Q & A

Brand
Neumann
Model
KMR 81 D
MFR Part Number
008648
UPC
615104086487
EAN
4006087086483
Product Category
Shotgun & Video Microphones
Unit of Measure
EACH
Shipping Weight
0.83 lbs.
Page Views
2776
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