Royer SF-24V Vacuum Tube Stereo Ribbon Mic
The Microphone
The Royer SF-24V is the world’s first vacuum tube stereo ribbon microphone, delivering the ultimate in single-point stereo miking for your clients who demand the very best.
The Royer Labs SF-24V comes in a protective carrying case containing:
SF-24V in a beautiful custom made jewelers box
Dedicated power supply
RSM-24 shock mount
20′ stereo cable
Owners manual and documentation.
The Sound
The Royer SF-24V vacuum tube stereo ribbon microphone is distinguished by extraordinary transparency, depth and midrange reach. It delivers gorgeous recordings of virtually all acoustic instruments. The Blumlein X-Y stereo image is wide and pinpoint accurate, and the mic can be rotated 45 degrees for M-S recording as well.
A prominent Los Angeles engineer said “The best way to describe the sound with the tube circuit involved is you start with an SF-24, add amazing midrange reach and transparency, sprinkle fairy dust all over it, and you get an Royer SF-24V.” It’s not the most technical explanation, but it does the job!
Grammy winning scoring engineer Alan Meyerson (Angels & Demons, The Dark Knight, Pirates of the Caribbean) says “The latest addition to Royer’s tube ribbons, the SF-24V stereo, is astonishing. Unbelievable sound – superb imaging! Royer has hit another home run with the Royer SF-24V.”
Applications:
- Orchestra
- Small to Large Ensembles
- Choir
- Woodwind Sections
- String Sections
- Brass Sections
- Drum Overhead
- Drum Room
- Piano
- Percussion
- Acoustic Instruments
Warranty: Lifetime to the original owner. The tube warranty is 10 years. The ribbon elements are warranted for one year (first re-ribbon free within one year).
Royer SF-24V Finishes: Burnished Satin Nickel (standard), Matte Black Chrome (optional, please contact us for details).
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