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The SF-24V vacuum tube stereo ribbon microphone is the pinnacle of Royer's SF-series stereo microphones. The sound pickup is lush, smooth and natural, with outstanding stereo imaging and superb transient response. The tube electronics provide increased midrange reach, unmatched clarity and detail, and an airiness previously unheard of in ribbon mics. Utilizing the same proprietary tube electronics as in our TEC Award winning R-122V ribbon microphones, the SF-24V delivers the ultimate in stereo ribbon miking for the true connoisseur of recorded sound.
The SF-24V's independent tube circuits provide an output level of -38 dB, suitable for use with any professional preamplifier. With self-noise of lower than 18 dB, the SF-24V's ultra-quiet operation is suitable for the most demanding classical and acoustic recording applications.
Like an SF-12, the SF-24V is actually two matched ribbon microphones, placed one above the other in a coincident pair, each aimed 45 degrees from center in the classic Blumlein configuration. The magnet/pole piece structure of each ribbon transducer delivers a wide, uniform frequency response with no substantial peaks or dips, and the 1.8-micron ribbons produce superb transient response. Frequency response is excellent regardless of the angle of sound striking the ribbons and off-axis coloration is negligible.
The Electronics The SF-24V's twin head amplifiers consist of low-noise, triode-connected military grade 5840 vacuum tubes. Designed for a wide range of applications, the SF-24V delivers -38 dB output and the drive capabilities only vacuum tube head amplifiers can provide. The circuits are devoid of typical vacuum tube coloration.
The SF-24V's triode-configured cathode follower circuitry enables the microphone to drive long cable runs without sonic degradation or high-frequency loss. This capability is further enhanced by the SF-24V's dedicated power supply, which provides ample current to the vacuum tube electronics. Induced noise is virtually eliminated by the microphone's fully balanced outputs, which are electrically isolated with special purpose Jensen output transformers.
The SF-24V has far more level than non-powered ribbon microphones and its impedance matching circuitry places a perfect load on the ribbon element at all times. This allows the use of a wide variety of mic preamps without concern for gain and impedance matches, two critical issues with ribbon microphones. In addition, the microphone's electronics shield the ribbon elements from any possibility of damage by phantom power, electrical glitches or miswired cables.
It is important to note that the SF-24V's higher sensitivity creates no additional self-noise. All of the SF-24V's increased level comes from its large, specially wound toroidal transformers, so there is no additional noise associated with the microphone's higher output. The tube system operates at less than unity, adding no noise of its own
The SF-24V vacuum tube stereo ribbon microphone is the pinnacle of Royer's SF-series stereo microphones. The sound pickup is lush, smooth and natural, with outstanding stereo imaging and superb transi... Click To Read More About This Product
Gear returned in mint condition. If you're looking for a virtually new instrument in possibly less-than-perfect packaging, this is a great value.
Includes 45-Day, No-Hassle Returns
Includes full manufacturer's warranty
Gear returned in great condition, with only minor signs of use, such as slight scuffs or pick marks. It looks and plays like new and may be considered an equivalent to display units found in retail stores.
Includes 45-Day, No-Hassle Returns
Includes full manufacturer's warranty
Price:$5,795.0
99
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The SF-24V vacuum tube stereo ribbon microphone is the pinnacle of Royer's SF-series stereo microphones. The sound pickup is lush, smooth and natural, with outstanding stereo imaging and superb transient response. The tube electronics provide increased midrange reach, unmatched clarity and detail, and an airiness previously unheard of in ribbon mics. Utilizing the same proprietary tube electronics as in our TEC Award winning R-122V ribbon microphones, the SF-24V delivers the ultimate in stereo ribbon miking for the true connoisseur of recorded sound.
The SF-24V's independent tube circuits provide an output level of -38 dB, suitable for use with any professional preamplifier. With self-noise of lower than 18 dB, the SF-24V's ultra-quiet operation is suitable for the most demanding classical and acoustic recording applications.
Like an SF-12, the SF-24V is actually two matched ribbon microphones, placed one above the other in a coincident pair, each aimed 45 degrees from center in the classic Blumlein configuration. The magnet/pole piece structure of each ribbon transducer delivers a wide, uniform frequency response with no substantial peaks or dips, and the 1.8-micron ribbons produce superb transient response. Frequency response is excellent regardless of the angle of sound striking the ribbons and off-axis coloration is negligible.
The Electronics The SF-24V's twin head amplifiers consist of low-noise, triode-connected military grade 5840 vacuum tubes. Designed for a wide range of applications, the SF-24V delivers -38 dB output and the drive capabilities only vacuum tube head amplifiers can provide. The circuits are devoid of typical vacuum tube coloration.
The SF-24V's triode-configured cathode follower circuitry enables the microphone to drive long cable runs without sonic degradation or high-frequency loss. This capability is further enhanced by the SF-24V's dedicated power supply, which provides ample current to the vacuum tube electronics. Induced noise is virtually eliminated by the microphone's fully balanced outputs, which are electrically isolated with special purpose Jensen output transformers.
The SF-24V has far more level than non-powered ribbon microphones and its impedance matching circuitry places a perfect load on the ribbon element at all times. This allows the use of a wide variety of mic preamps without concern for gain and impedance matches, two critical issues with ribbon microphones. In addition, the microphone's electronics shield the ribbon elements from any possibility of damage by phantom power, electrical glitches or miswired cables.
It is important to note that the SF-24V's higher sensitivity creates no additional self-noise. All of the SF-24V's increased level comes from its large, specially wound toroidal transformers, so there is no additional noise associated with the microphone's higher output. The tube system operates at less than unity, adding no noise of its own
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
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
Pro Coverage
Guitar Center's Pro Coverage Pro Coverage gives you added warranty protection for your gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Click To Read More About This Product.
Pro Coverage includes
Accidental damage protection
Expedited repair or replacement
Free shipping (for returns or repairs)
100% coverage for commercial use
Extended price protection
No lemon guarantee
Free transfer of coverage to a new owner
Repair costs covered for up to five years from date of purchase
Repair authorization-toll-free by phone or via the web
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