
oil to the cloth, not to the microphone). Be very careful whenever
working around the transducers to avoid contamination of
the ribbon elements. Following this simple procedure will protect
the finish and renew it to its original luster.
CAUTION!
Due to the transducer’s powerful magnets, keep recorded tapes,
spring-wound watches and personal credit cards with magnetic
coding away from the microphone to prevent possible damage.
Features and Specifications
SF-12 Features:
•
Wide, Smooth Frequency Range
•
Closely Matched Characteristics
•
Negligible Off-Axis Coloration
•
Excellent Separation and Imaging
•
True Figure-8 Polar Patterns
•
X-Y or M-S Recording
SF-12 Specifications
Acoustic Operating Principle: Electrodynamic pressure gradient
Polar Pattern:
Symmetrical Figure-8
Generating Element:
Two 1.8 micron aluminum ribbons
Frequency Response:
30Hz - 15000Hz ±3dB
Sensitivity:
> -52dBv Re.1v/pa
Output Impedance:
300 Ohms @ 1 kHz
Recommended Load
Impedance:
> 1500 Ohms
Maximum SPL:
> 130dB
16
Summary of Contents for SF-12
Page 20: ...Notes 19 ...