Mic Archive
Royer SF-12
Photo: Royer Labs, from its manual (Recording Hacks copy), p. 1.

Royer Labs

Royer SF-12

Stereo coincident ribbon mic: two figure-8 ribbons at 90° (Blumlein, M-S) in one body

Approximate Some readings for this mic are uncertain; see the graphs.

Type
Ribbon
Pattern
Figure-8
Sensitivity
−50 dBV/Pa
Max SPL
130 dB SPL
Impedance
300 Ω
Rated range
40 – 15k Hz

Frequency response

Angle
Distance

Frequency response: from the spec sheet (Recording Hacks copy), p. 2. Titled "Frequency Response"; distance and room not stated. Approximate reading error up to about 1 dB.

Dashed: outside the rated range, or simulated (other angles and distances). Hover or tap the graphs for values.

Compare with other mics

All specs

From the spec sheet (Recording Hacks copy)
Capsuletwo 1.8 micron aluminium ribbons, crossed at 90°, one above the otherp. 2
Sensitivity−50 dBV/Pa. "-50 dB (re. 1v/pa)", per element.
Max SPL130 dB SPL, at 50 Hz
Output impedance300 ohm, at 1 kHz, nominal
Rated load impedance1500 ohm, rated
Rated frequency range40 Hz to 15 kHz, ±2 dB
ConnectorXLR-5 male (stereo)
Weight369 g
Dimensions25 × 206 mm. "206mm L X 25mm W".
Finishmatte black chrome; dull satin nickel optional
Supplied accessoriesprotective wood case; 18 ft XLR-5 to 2 × XLR-3 cable; mic sock. Optional: suspension shock mount, windscreen.
MagnetsRare-earth neodymium
WarrantyLifetime to the original owner; ribbon element one year

Documents

Copies kept by Mic Archive, because manufacturers move and drop their documents. Each is © Royer Labs, unchanged, with its original address.

Product page on royerlabs.comRecording Hacks

Recommended for

Instruments whose sources name this mic, or an earlier version or variant of it.

Other mics