Royer Labs SF-24 Stereo Active Ribbon Microphone Supply

Royer Labs SF-24 Stereo Active Ribbon Microphone

The Royer SF-24 is a stereo active ribbon microphone. It is the powered version of the Royer Labs SF-12 – combining the brilliant stereo image and transient response of the SF-12 microphones, with Royer Labs’ exclusive powering system. The SF-24 has a 14dB better sensitivity as a result, making it on par with condenser microphones in terms of output. This opens up many more options for suitable microphone pre-amps. The Royer SF-24 has 2 x ribbon microphones that are aligned in a Blumlein stereo miking configuration.

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• Royer Labs SF-24 Features:

  Phantom powered circuitry provides high output and impedance matching
  True stereophonic (Blumlein and M-S) recording from one microphone
  High SPL capabilities
  No distortion up to maximum SPL rating<
  Extremely low residual noise
  Ribbon elements are not affected by heat or humidity
  Absence of high frequency phase distortion
  Equal sensitivity from front or back of elements
  Consistent frequency response regardless of distance
  High efficiency, matching toroidal transformers
  Very low magnetic leakage

  Applications:
  Drum Overheads
  Percussion Instruments
  Brass and Woodwinds
  Acoustic Piano
  Harp
  Choirs
  Solo Strings
  String Sections
  Orchestra
  Acoustic & Electric Guitars
  Vocal Groups
  Ambiance
  Stereo to Mono

  Recording in Mono:
  Phase compatibility between the two sides of the SF-24 is excellent, allowing you to combine the two channels for mono recording without creating phase artifacts. This is particularly useful when capturing a wide sound field in mono; for instance, a singer who tends to move off the “sweet spot” of a mono microphone. Either side of the SF-24 can also be used individually as a mono microphone.

• Royer Labs SF-24 Specifications:

  Acoustic Operating Principle: Electrodynamic pressure gradient with active electronics
  Polar Pattern: Crossed figure-8’s
  Generating Element: 1.8-micron aluminum ribbon
  Frequency Response: 40-15,000 Hz +/- 2dB
  Sensitivity: -38 dB (re. 1v/pa +/-1dB)
  Self-Noise: < 18 dB
  Output Impedance: 200 Ohms
  Rated Load Impedance: 1K-Ohm
  Maximum SPL: >130dB
  Output Connector: Male XLR 5 pin (stereo*)
  Power Requirements: 48-Volt Phantom Only
  Supply Current: 4 mA per channel
  Dimensions: 270mm X 39mm (base) X 25mm (top) (10 5/8″ X 1.5″ X 1″)
  Weight: 583 grams (20.5 oz)
  Finish: Optical Black, 18K Gold (optional)

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