Royer SF-12 Stereo Ribbon Microphone (Matte Black)

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Description
The Royer SF-12 is a stereo coincident ribbon microphone: two matched ribbon mics in one body, one above the other, each aimed 45 degrees from center in the classic Blumlein arrangement. A single SF-12 records true stereo, in Blumlein or mid-side, with strong separation and imaging, which suits orchestra, choir, piano, harp and drum overheads. It is a passive design with no electronics inside, so nothing in the mic can overload or distort below its maximum SPL.
Design
Each side uses a 1.8-micron aluminum ribbon weighing about 1/3 milligram, set in a magnet and pole-piece structure that gives wide, even response with no large peaks or dips. The ingot iron case forms part of the magnetic circuit, which keeps magnetic leakage low and sensitivity high for such a slim mic. The supplied extension cable ends in a splitter with two 3-pin XLR connectors marked Upper and Lower, one for each ribbon.
Stereo and Mono
The two sides stay in phase when summed to mono, which helps with a wide source or a singer who moves off a mono mic's sweet spot. Either side also works on its own as a mono figure-8 microphone. Ribbons add almost no distortion of their own, so they take EQ well, and a top-end boost on drum overheads brings up cymbal air without harshness.
Features
- True stereo (Blumlein and M-S) recording from one microphone
- Two matched 1.8-micron aluminum ribbons fixed at 90 degrees
- No internal active electronics to overload or distort up to the maximum SPL rating
- Extremely low residual noise
- Ribbons unaffected by heat or humidity
- No high-frequency phase distortion
- Equal sensitivity from the front and back of each ribbon
- Consistent frequency response regardless of distance
- High-efficiency matching toroidal transformers
- Very low magnetic leakage
- Gold-plated XLR contacts
Specifications
- Operating principle: Electrodynamic pressure gradient
- Polar pattern: Crossed figure-8 (two symmetrical figure-8 elements)
- Elements: Two 1.8-micron aluminum ribbons
- Magnets: Rare earth neodymium
- Frequency response: 30 Hz to 15 kHz, +/- 3 dB
- Sensitivity: -52 dBV (re. 1 V/Pa)
- Output impedance: 300 ohms at 1 kHz (nominal)
- Rated load impedance: Over 1,500 ohms
- Maximum SPL: Over 130 dB
- Output connector: 5-pin male XLR (stereo)
- Power: None, passive design
- Dimensions: 206 mm long, 25 mm wide (8 x 1 in)
- Weight: 369 g (13 oz)
- Finish: Matte black
- Longer cable runs: EXC50 (50 ft) and EXC100 (100 ft) 5-conductor extension cables
- Warranty: 10 years on materials, workmanship and finish to the original owner; first re-ribbon free within one year
In the Box
- SF-12 microphone
- Protective wood case
- 18 ft 5-conductor extension cable
- Splitter cable with two 3-pin male XLR connectors (Upper and Lower)
- Microphone sock














