Royer SF-2 Active Phantom Powered Ribbon Microphone - Long & McQuade Music Educator Site
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Royer SF-2 Active Phantom Powered Ribbon Microphone

Departments > Pro Audio & Recording > Microphones & Vocal Processors > Mics - Ribbon > Royer > SF-2 Active Phantom Powered Ribbon Microphone
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SKU: # 723222
Model: #

RO-SF2

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Active Ribbon-Velocity Studio Microphone


The SF-2 ribbon microphone is a phantom powered version of Royer's original SF-1 ribbon microphone. Designed primarily for classical applications and acoustic instruments, the SF-2 combines high-quality audio performance with Royer's exclusive active electronics for ribbon microphones. The SF-2's output of -38 dB puts its sensitivity on par with that of phantom powered condenser microphones, allowing it to be used with a wide variety of mic pres regardless of gain characteristics. The unique electronics and custom designed FETs used in the SF-2 deliver ultra-quiet operation, with self-noise of lower than 18 dB.

The SF-2's magnet/pole piece transducer structure gives a wide, uniform frequency response with no substantial peaks or dips, and the 1.8-micron ribbon element delivers superb transient response. Frequency response is excellent regardless of the angle of sound striking the ribbon and off-axis colouration is negligible.

SF-2 Features
• Operates from standard 48-volt simplex power
• Active electronics provide high output capability
• Extremely low self noise
• Ribbon element not affected by load presented to microphone
• Ribbon element unaffected by heat or humidity
• Equal sensitivity from front and back of element
• Consistent frequency response regardless of distance to sound source
• Very low magnetic leakage

Recommended Applications
• Choir, Orchestra, String Sections
• Overhead & Distance Miking
• Brass Instruments - Horn Sections
• Woodwinds, Flute & other reed instruments
• Acoustic Piano, Harp
• Violin, Cello & other stringed instruments
• Acoustic Guitar, Mandolin, Banjo, etc.
• Voice-over & Vocals

Technical Data
• Electrodynamic pressure gradient with active electronics
• Polar Pattern: Symmetrical figure-8
• Generating Element: 1.8-micron aluminum ribbon
• Frequency Range: 30 - 15,000 Hz +/-2db
• Sensitivity: -38 dBv Ref 1 Volt per Pascal
• Output Impedance: 200 Ohms @ 1khz
• Rated Load Impedance: > 1500 Ohms
• Maximum SPL: > 130 dB SPL
• Output Connector: Male XLR 3 pin (Pin 2 Hot)
• Power Requirements: 48-Volt Phantom only
• Supply Current: 4 mA
• High grade neodymium magnet assembly
• Stainless steel internal baffle and dampener
• Weight: 465 grams (16.4 oz.)
• Mic Dimensions: 142 mm x 39mm (base) x 25mm (top) (8" x 1.5" x 1")
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