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royer SF-12 Operating Instructions Manual & User Manual
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royer SF-12 Operating Instructions Manual & User Manual

Stereo ribbon velocity microphone
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R R R R O O O O Y Y Y Y E E E E R R R R L L L L a a a a b b b b s s s s
M M M M o o o o d d d d e e e e l l l l S S S S F F F F
S S S S t t t t e e e e r r r r e e e e o o o o R R R R i i i i b b b b b b b b o o o o n n n n V V V V e e e e l l l l o o o o c c c c i i i i t t t t y y y y
M M M M i i i i c c c c r r r r o o o o p p p p h h h h o o o o n n n n e e e e
O O O O p p p p e e e e r r r r a a a a t t t t i i i i o o o o n n n n I I I I n n n n s s s s t t t t r r r r u u u u c c c c t t t t i i i i o o o o n n n n s s s s M M M M a a a a n n n n u u u u a a a a l l l l
& & & & U U U U s s s s e e e e r r r r G G G G u u u u i i i i d d d d e e e e
M M M M a a a a d d d d e e e e i i i i n n n n U U U U S S S S A A A A

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Summary of Contents for royer SF-12

  • Page 1 R R R R O O O O Y Y Y Y E E E E R R R R L L L L a a a a b b b b s s s s M M M M o o o o d d d d e e e e l l l l S S S S F F F F S S S S t t t t e e e e r r r r e e e e o o o o R R R R i i i i b b b b b b b b o o o o n n n n V V V V e e e e l l l l o o o o c c c c i i i i t t t t y y y y M M M M i i i i c c c c r r r r o o o o p p p p h h h h o o o o n n n n e e e e O O O O p p p p e e e e r r r r a a a a t t t t i i i i o o o o n n n n I I I I n n n n s s s s t t t t r r r r u u u u c c c c t t t t i i i i o o o o n n n n s s s s M M M M a a a a n n n n u u u u a a a a l l l l...
  • Page 2 T T T T A A A A B B B B L L L L E E E E O O O O F F F F C C C C O O O O N N N N T T T T E E E E N N N N T T T T S S S S M M M M o o o o d d d d e e e e l l l l S S S S F F F F S S S S t t t t e e e e r r r r e e e e o o o o R R R R i i i i b b b b b b b b o o o o n n n n V V V V e e e e l l l l o o o o c c c c i i i i t t t t y y y y M M M M i i i i c c c c r r r r o o o o p p p p h h h h o o o o n n n n e e e e Table of Contents...
  • Page 3 Your SF-12 is equipped with a 5-pin XLR extension cable and an adapter that fans out to twin 3-pin male XLR connectors. As shipped from the factory, the connectors are marked “upper”...
  • Page 4 Therefore, listen to the feed before committing to it. 3. The Royer model SF-12 requires no power supply and is safe to use on consoles with phantom microphone powering, provided that the cabling is done properly. It should be noted that not all ribbon microphones are compatible with phantom-powering systems, so check the manufacturer’s recommendations before using other ribbon microphones.
  • Page 5 “dynamic” microphones will relate to moving coil dynamics. All condenser microphones have a built in preamplifier called a head amp and therefore put out a hefty signal. Because the signal is buffered through the head amp, the output impedance is rather low and less affected by the input impedance of the microphone preamp.
  • Page 6 SF-12. Ground loops can develop in the preamplifier with any stereo microphone, regardless of the type (i.e. condenser, dynamic, ribbon). A ground loop manifests itself as unwanted noise, buzz or hum (usually 120 Hz).

  • Page 7: Hum Noise And Mic Orientation

    C C C C o o o o n n n n v v v v e e e e n n n n t t t t i i i i o o o o n n n n a a a a l l l l ( ( ( ( X X X X Y Y Y Y ) ) ) ) R R R R e e e e c c c c o o o o r r r r d d d d i i i i n n n n g g g g Orientation of the SF-12 microphone is such that the “ROYER” logo should always face the sound source to avoid inadvertent phase reversals.
  • Page 8 The polar pattern shown in Figure 2 will clarify this. None of this would be possible if the SF-12 didn’t exhibit excellent frequency response regardless of the angle of sound striking the ribbons.
  • Page 9 For our purposes we will assume that the top transducer of the SF-12 is the M microphone. Its preamplifier is so wired as to feed equal signals to both “L” and “R” output busses. Note that if nothing else is connected, the signal from this preamplifier will produce a monophonic, center channel signal.
  • Page 10 “left.” Now we move the sound source to the “right” of the SF-12. As before, signal reaching the M microphone decreases in level, while the signal at the S microphone increases.
  • Page 11 TV camera. The SF-12 is easy to use, robust and reliable. Neither temperature nor humidity affects it. SF-12 has numerous applications. Along with its useful-ness as an overhead drum mic, a stereo acoustic piano or guitar mic, and organ recording, it can be applied to motion pictures because of its natural stereo capabilities.
  • Page 12 C C C C a a a a r r r r e e e e a a a a n n n n d d d d M M M M a a a a i i i i n n n n t t t t e e e e n n n n a a a a n n n n c c c c e e e e The SF-12 is a well-built precision instrument. All that is required to ensure proper operation of this microphone is to follow some common-sense rules.
  • Page 13 C C C C A A A A U U U U T T T T I I I I O O O O N N N N ! ! ! ! Keep recorded tapes spring wound watches and personal credit cards using magnetic coding away from the microphone to prevent possible damage caused by the transducer’s magnets A A A A L L L L i i i i t t t t t t t t l l l l e e e e B B B B i i i i t t t t o o o o f f f f H H H H i i i i s s s s t t t t o o o o r r r r y y y y...
  • Page 14 F F F F e e e e a a a a t t t t u u u u r r r r e e e e s s s s • Wide, Smooth Frequency Range • Closely Matched Characteristics •...
  • Page 15 W W W W i i i i r r r r i i i i n n n n g g g g D D D D i i i i a a a a g g g g r r r r a a a a m m m m P P P P o o o o l l l l a a a a r r r r P P P P a a a a t t t t t t t t e e e e r r r r n n n n F F F F r r r r e e e e q q q q u u u u e e e e n n n n c c c c y y y y R R R R e e e e s s s s p p p p o o o o n n n n s s s s e e e e...
  • Page 16 This warranty does not apply if the product has been damaged by accident or misuse, or as a result of repair or modification by other than a Royer Labs customer service facility authorized to service this product. To validate this warranty, the registration card and a photocopy of the sales receipt from an authorized Royer Labs dealer must be on file with Royer Labs.