Rode SoundField NT-SF1 Ambisonic Microphone

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Rode SoundField NT-SF1 Ambisonic Microphone


Ideal for VR, Film, and Game Audio

Cardioid Capsules in Tetrahedral Array

Four 1/2" TF45C Condenser Capsules

20 Hz to 20 kHz Frequency Response

Ultra-Low Noise, Phantom Powered

4-Channel, A-Format Output

Supports Flexible B-Format Manipulation

Includes Spherical Windscreen & Cover

Includes Custom Shockmount

Includes XLR Breakout Cable

The Rode SoundField NT-SF1 is an ambisonic microphone designed to provide clear and accurate reproduction of 360° sound for recordists in VR, film production, and audio for video games. It features four 1/2" TF45C cardioid condenser capsules arranged in a tetrahedral array, wired to an XLR 10-pin connector for four-channel, A-format output. Each capsule is powered via 48 VDC phantom power and delivers a frequency response of 20 Hz to 20 kHz. Flexible B-format manipulation is supported through the downloadable SoundField by Rode ambisonic processor plug-in. The NT-SF1 includes a custom shockmount, a spherical windscreen, a furry wind cover, and a breakout cable that converts the XLR 10-pin output to four standard XLR 3-pin connectors.

Tetrahedral array with four externally biased cardioid condenser capsules

Created in-house at Rode's Sydney headquarters, each TF-45C capsule is machined to tolerances of less than one micron

JFET impedance converter with bipolar output buffer

Low noise of 15 dBA

Handles SPLs up to 129 dB

Sturdy brass body


Analog Performance

Sound Field Tetrahedral

Operating Principle Pressure Gradient

Transducer Condenser

Tube No

Polar Pattern Cardioid

Frequency Range 20 Hz to 20 kHz

Equivalent Noise Level 15 dB A-Weighted

Maximum SPL 129 dB SPL

Pad None

Impedance 63 Ohms

Sensitivity -30.4 dBV/Pa

Low-Cut Filter None


Output Connectors 1 x 10-Pin XLR

Operating Voltage 48 V

Length 7.57" / 192.3 mm

Diameter 1.80" / 45.7 mm

Weight 10.09 oz / 286 g

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