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SF-1 Ribbon Microphone



The SF-1 is an ultra-compact, monaural ribbon microphone, exhibiting flat frequency response and a well-balanced, panoramic soundfield. The SF-1 has superb transient response due to its ultra low-mass 1.8-micron ribbon assembly. Frequency response is excellent regardless of the angle of sound striking the ribbon, and off-axis coloration is negligible.

The heart of the SF-1 is its proprietary cross-field ribbon transducer. Comprised of four powerful Neodymium magnets and Permendur iron pole-pieces, the cross-field design assures the shortest front-to-rear ribbon path length for best high frequency response. The case is fashioned from ingot iron and forms the magnetic return circuit, an effective system with low leakage flux which accounts for the relatively high sensitivity in a trim package.

  • Features
  • Applications
  • Technical Data
  • No internal active electronics to overload or produce distortion up to maximum SPL rating.
  • Extremely low residual noise
  • Ribbon element not affected by heat or humidity
  • Absence of high frequency phase distortion
  • Equal sensitivity from front and back of element
  • Consistent frequency response regardless of distance
  • Very low magnetic leakage
  • High efficiency toroid matching transformer and gold plated output connector
  • Ultra compact package
  • Matte Black Chrome finish reduces reflected light for on-camera use
  • Choir, Orchestra, String Sections
  • Overhead and Distance miking
  • Brass Instruments - Horn Sections
  • Woodwinds
  • Acoustic Piano
  • Harp
  • Violin, cello and other stringed instruments
  • Percussion Instruments
  • Orchestra
  • Acoustic & Electric Guitars
  • Acoustic Guitar, Mandolin, Banjo
  • Acoustic Operating Principal: Electrodynamic pressure gradient
  • Polar Pattern: Figure-8
  • Generating Element: 1.8-micron aluminum ribbon
  • Frequency Response: 30-15,000 Hz +/- 3dB
  • Sensitivity: >-52 dBv Re. 1v/pa
  • Output Impedance: 300 Ohms @ 1K (nominal)
  • Rated Load Impedance: >1500 Ohms @ 300 nominal impedance
  • Maximum SPL: >130dB
  • Output Connector: Male XLR 3 pin (Pin 2 Hot)
  • Weight: 264g (9.3 oz )
  • Finish: Matte Black Chrome

Polar Pattern

polar pattern

Frequency Response

frequency response