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Core Sound OctoMic 2nd-order Ambisonic Microphone 麦克风
Specifications*
Microphone Type: 2nd-order (2h1v) ambisonic for VR, surround, stereo, mono
Raw capsule information:
Number: eight
Medium-sized diaphragm: 12 mm diameter
Pattern: cardioid
Type: electret condenser
OctoMic pattern: variable, multiple simultaneously, selected at decode
Capsule ordering and channel assigment: OctoMic's "front" is indicated by the "Core" logo. Looking at the logo, the top/front capsule is #1. and the capsule to the lower right is #2. Above and to the right of capsule #2 is capsule #3.
Top ring of capsules: #1, #3, #5 /span>
Bottom ring of capsules: #2, #4, #6 /span>
Capsules tested, selected and matched into sets, with calibration data supplied for OctoMic A-to-B-format encoder plugin
Frequency response:
Raw: 40 Hz - 18.5 KHz +/- 4 dB
Calibrated: 30 Hz - 18.5 KHz +/- 2 dB
Self noise (complete array): 15 dBA
Phase: non-inverting
Maximum SPL per capsule: 135 dB
Sensitivity per capsule: 7.0 mV/Pa nominal (-43 dB ref: 1V/Pa)
PPAc8 output impedance: 85 Ohms
PPAc8 signal run distance: greater than 500 feet
Output connector:
compatible with Neutrik MRF12 (mates with Neutrik MSCM12)
breaks out to eight XLR-M plugs via PPAc8 system
Power:
48 Volt Phantom Power (with PPAc8 Phantom Power Adapter)
approximately 16 mA @ 48 VDC total (2.0 mA per capsule)
Shaft diameter: .70 inch (17.7 mm)
Overall length: 5 inches (12.7 cm)
Weight: 5.3 ounces (150 grams)