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Royer SF-2

Mono - Phantom Powered Small Light-Mass Ribbon Element (1.8-micron), Matte Black Finish


Royer SF-2
The Royer Labs SF-2 ribbon microphone is a phantom powered version of the acclaimed 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 preamps. 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 coloration is negligible.

The SF-2 contains a fully balanced, discrete head amplifier system which utilizes a specially wound toroidal transformer and ultra-low noise FETs to deliver a sensitivity of -38 dB. Even with extremely quiet sound sources, you'll have enough level to drive any recording medium.

The SF-2's electronics create no additional self-noise. All of the SF-2's higher output comes from its large, specially wound toroidal transformer that provides an additional 14 dB of 'free gain.' The phantom powered system operates at less than unity, adding no noise of its own.

The electronics in the SF-2 provide a perfect load to the ribbon element at all times, allowing the microphone to deliver 100% of its full sonic potential regardless of the input characteristics of the following mic preamp. Due to its low-impedance output, the SF-2 can be used on extremely long cable runs with minimal signal loss.

The SF-2 ships in an aluminum presentation case with an SFS-2 shock mount, mic sock, documentation and manual.

Royer 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
• Shockmount, protective case, mic sock included

Royer SF-2 Specifications:
• Acoustic Operating Principle: Electrodynamic pressure gradient with active electronics
• Polar Pattern: Symmetrical figure-8
• Generating Element: 1.8-micron aluminum ribbon
• Magnets: Rare Earth Neodymium
• Frequency Response: 30 Hz -15 kHz (±3dB)
• Sensitivity: -40dB (re. 1v/pa ±1dB)
• Self-Noise: < 20 dB
• Output Impedance: < 200 Ohms
• Output Connector: Male XLR 3-Pin (Pin 2 Hot)
• Rated Load Impedance: > 1K-Ohm
• Power Requirements: 48-Volt Phantom Only
• Supply Current: 4 mA.
• Dimensions: 8" x 1.5" wide (base) x 1" wide (top) (203mm x 39mm x 25mm)
• Weight: 16.4 oz (465 grams)
• Finish: Matte Black
• Warranty: Lifetime to original owner (repair or replace at Royer's option)

Royer SF-2 Figure 1
Royer SF-2 Figure 2

List Price: $2,495.00
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