The Sontronics SIGMA Ribbon Microphone
Product Sheet

SIGMA Ribbon Microphone

The SIGMA is one of our most popular products. Its high sensitivity and low self-noise is simply unheard of for a ribbon microphone. The SIGMA can be used for a variety of applications, including broadcast, male and female vocals, speech, drums and percussion, piano, accordion, acoustic guitar and orchestral instruments. It is also ideal as a direct microphone for guitar cabinets.

The SIGMA operates with phantom power, setting it apart from traditional transformer-based ribbon microphones. It can be used with nearly every pre amp, allowing consistency throughout a recording while creating the smooth, uncolored audio characteristics ribbon microphones are known for.

The SIGMA is available in a black finish and is packaged in an aluminum carrying case. SIGMA's special mounting system for increased noise reduction is also included.

SIGMA Frequency Chart
Sontronics SIGMA Active Ribbon Microphone Frequency Chart

SIGMA Technical Specifications
Response: 20Hz - 15kHz
Sensitivity: 18mV/Pa -33dB ±1dB (0dB = 1V/Pa 1,000Hz)
Polar pattern: Symmetrical figure-of-eight
Impedance: ≤150 Ohms
Equivalent noise level: 14dB (A-weighted)
Max SPL (for 0.5% THD @ 1,000Hz): 135dB
Power source: Phantom power 48V ±4V
Connector: Three-pin XLR

 

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