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Royer Labs SF-24V

$4,999.00

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Royer SF-24V: Vacuum Tube Stereo Ribbon Microphone

The Royer SF-24V stands as the pinnacle of the SF-series stereo microphones, incorporating vacuum tube electronics for a lush, smooth, and natural sound reproduction. With outstanding stereo imaging, superb transient response, and an unprecedented level of airiness, the SF-24V caters to audio enthusiasts seeking the utmost in stereo ribbon microphone technology. Drawing inspiration from the TEC Award-winning R-122V ribbon microphones, the SF-24V combines top-notch tube electronics with a coincident pair of ribbon microphones for a superior recording experience.

The Royer SF-24V delivers unparalleled stereo ribbon microphone performance, making it a top choice for discerning audio professionals and recording enthusiasts. With its vacuum tube electronics, precise engineering, and versatile recording capabilities, the SF-24V sets a new standard for stereo ribbon miking.

Key Features

  • Vacuum Tube Electronics: Twin head amplifiers featuring low-noise, triode-connected military-grade 5840 vacuum tubes increase midrange reach, clarity, and detail.
  • Coincident Pair in Blumlein Configuration: Two matched ribbon microphones arranged in a Blumlein configuration for superior stereo imaging.
  • 1.8-Micron Ribbons: Dual 1.8-micron ribbons provide excellent transient response and uniform frequency response.
  • Magnet/Pole Piece Structures: Consistent frequency response ensured by specialized magnet/pole piece structures.
  • Dedicated Power Supply: Enhances microphone performance by providing ample current to the vacuum tube electronics.
  • Fully Balanced Outputs: Special-purpose Jensen output transformers virtually eliminate induced noise.
  • Large Toroidal Transformers: Specially wound toroidal transformers provide increased sensitivity without adding noise.
  • Low Self-Noise: Ultra-quiet operation with self-noise lower than 18 dB, ideal for sensitive applications.

Recording Applications

  • Full Orchestra, Choir, and Ensembles: Captures large musical groups with exceptional detail and stereo imaging.
  • Classical Piano: Ideal for recording with richness and natural sound reproduction.
  • Drum Overheads: Provides realistic stereo imaging and powerful drum tracks.
  • Acoustic Instruments: Clear and detailed recording of a variety of acoustic instruments.
  • Vocal Groups: Natural and immersive sound capture for vocal ensembles and choirs.
  • Room Mic: Effective in capturing the ambiance and depth of the recording environment.
  • Acoustic Operating Principle: Electrodynamic pressure gradient with vacuum tube electronics.
  • Vacuum Tube: JAN mil-spec 5840W pentode wired in triode configuration.
  • Polar Pattern: Crossed figure-8’s.
  • Generating Element: 1.8-micron aluminum ribbon.
  • Frequency Response: 30-15,000 Hz +/- 3dB.
  • Sensitivity: -38 dB (re. 1v/pa +/-1dB).
  • Self-Noise: < 18 dB.
  • Output Impedance: 450 Ohms @ 1K.
  • Recommended Load Impedance: 1500 Ohms or greater.
  • Maximum SPL: >130dB.
  • Microphone Output Connector: Male XLR 7 pin (stereo*).
  • Power Supply Output Connectors: Two Male XLR-3 pin.
  • Power Requirements: Plate supply: 135 VDC @2ma, Filament supply: 6 VDC@ 150ma from dedicated power supply.
  • Supply Current: 4 mA per channel.
  • Microphone Dimensions: 270mm X 39mm (base) X 25mm (top) (10 5/8″X 1.5″ X 1″).
  • Weight: 583 grams (20.5 oz).
  • Finish: Dull Satin Nickel, Optical Black finish optional.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. 
For more information go to www.P65Warnings.ca.gov.

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