Neumann USM 69 i

Dual-Diaphragm Condenser Stereo Microphone

Description

One-point stereo microphone for XY- and MS-techniques

  • Two independent systems with 5 polar patterns each
  • Same large-diaphragm capsules as U 87 Ai
  • The upper system rotates up to 270° for XY and MS techniques
  • Transformer balanced circuit with very low self-noise

STEREO RECORDING MADE EASY

The USM 69 i is a one-point stereo microphone for all coincident stereo techniques such as XY, MS, and Blumlein. Each of the two large-diaphragm capsule systems has its own pattern selector with 5 positions; the upper system can be rotated over a range of 270°. The USM 69 i can also be used in mono with two-directional characteristics simultaneously.

 

ONE POINT STEREO MICROPHONE

Stereo recording with two separate microphones can be cumbersome. Especially with coincident stereo setups, where the two capsules must be placed very close to each other at a defined angle to ensure precise imaging. The Neumann USM 69 i one point stereo microphone makes such coincident stereo recording techniques very easy.

TWO IN ONE

The USM 69 i has two separate dual-diaphragm condenser capsules, mounted vertically, which may be rotated against each other over an angle of 270°. The polar pattern of each capsule can be selected individually using two built-in rotary switches. Each capsule has its own head amplifier feeding separate pins of the XLR 5 output connector. The USM 69 i, thus, is two independent microphones in one convenient package. As it requires only one microphone stand, the USM 69 i is very easy to re-position for optimal results.

With five polar patterns available for each capsule – omni, wide cardioid, cardioid, hypercardioid, and figure-8 – the USM 69 i allows for MS and XY stereo techniques in all variations, including Blumlein. Thanks to its low self-noise of 13 dB-A and its high SPL capability of 132 dB, the USM 69 i may be placed freely for best sound and imaging, with no worries about excess noise or distortion. An active subsonic filter protects the output transformers from overload due to structure-borne noise.

APPLICATIONS

The USM 69 i is an excellent stereo microphone for any musical applications such as vocal and instrumental ensembles, drums overheads, large instruments such as grand piano and harp, as well as solo instruments when stereo width and spatial movement is desired to enhance the listening experience. The USM 69 i is also a superb microphone for radio drama, and audiobook productions with a sound similar to the acclaimed standard for spoken word, the Neumann U 87 Ai, but adding a stereo perspective.

ADDITIONAL USES

Apart from stereo applications, the USM 69 i may also be used to record a mono source with two different polar patterns simultaneously. Since both microphones inside the USM 69 i work completely independently, it can serve as its own backup microphone in high-reliability situations. If one side fails or is inadvertently disconnected, the other side remains unaffected. Even in the rare event that DC converter for the capsule bias fails, the USM 69 i remains operational; both systems will automatically select the cardioid pattern and continue to work with just a slightly reduced sensitivity.

  • Stereo microphone for XY and MS stereophony
  • Two large-diaphragm capsules with separate pattern selection
  • Five polar patterns
  • Upper capsule rotates against the lower capsule over 270°
  • Very low self-noise

 

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