Datasheet
Acoustic Operating Principle
Vacuum Tube
Polar Pattern
Generating Element
Frequency Response
Sensitivity
Self-Noise
Output Impedance
Recommended Load Impedance
Maximum SPL
Microphone Output Connector
Power Supply Output Connectors
Power Requirements
Dimensions
Weight
Finish
Accessories
Microphone Warranty
Electrodynamic pressure gradient with vacuum tube
2 JAN mil-spec 5840W pentodes wired in triode
configuration
Symmetrical figure-8’s
Two 1.8-micron aluminum ribbon
30 - 15,000 Hz ± 3dB
-38 dB (re. 1v/pa ±1dB)
< 18 dB
450 Ohms @ 1KHz
1500 Ohms or greater
>130dB
Male XLR 5-pin (Stereo)
Two 3-Pin Male XLR connectors
Plate supply: 135 VDC @2ma, Filament supply: 6 VDC@ 150ma
from dedicated power supply.
270mm X 39mm (base) X 25mm (top)
(10 5/8” X 1.5” X 1”)
583 grams (20.5 oz)
Dull Satin Nickel, Optical Black finish
optional
Power supply, Protective wood case, 25’
Cable (XLR5 to 2 standard 3-pin XLR male),
shock mount
Lifetime to original owner (repair or replace at
Royer’s option)
Ribbon element: 1 year. Vacuum Tube: 10 years
ROYER SF-24V
Technical Specifications
Frequency Response and Polar Pattern
Royer Labs
www.royerlabs.com
2711 Empire Ave, Burbank, CA 91504
Tel. (818) 847-0121 Fax (818) 847-0122
COPYRIGHT ROYER LABS 2012
All specifications subject to
change without notice
Upper Element
Lower Element
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90˚
120˚
150˚
180˚
210˚
240˚
270˚
300˚
330˚
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+5
+10
-5
-10
X-Y
M-S
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