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  • SF24V

    Royer Labs SF-24V Vacuum Tube Stereo Ribbon Microphone

    The Royer SF-24V is a vacuum tube stereo ribbon microphone, featuring 2 ribbon’s in a crossed figure-8 configuration. The SF-24V is the pinnacle of Royer’s world class microphone product line. The SF-24V captures a smooth detailed and natural sound, with an extraordinarily accurate stereo image. Being a ribbon mic, the SF-24V has that lovely rich and dark character. The tube section in the SF-24V offers extended clarity in the mid-frequencies too.

      • Royer Labs SF-24V Features:

        Vacuum tube circuitry provides high output and impedance matching
        True stereophonic (Blumlein and M-S) recording from one coincident 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
      • Royer Labs SF-24V Specifications:

        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
    Need more info on the Royer Labs SF-24V?