ST31
ST31
Fet Condenser Microphone
The Sterling ST31 is an affordable microphone for making high-quality recordings of instruments. The ST31 features a mid-size ¾” diameter, 6-micron gold-evaporated Mylar® diaphragm that is optimized to capture definition and detail of acoustic guitars, pianos, percussion, drum overheads, and more. The low-noise FET circuitry provides smoothness and warmth.
ST31

ST31
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Frequency Response: 20Hz – 20kHz Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated […]
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ST169
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated Microphone Dimensions 7.7” long, 1.9” […]
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ST33
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Frequency Response: 20Hz – 20kHz Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated […]
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ST159
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Frequency Response: 20Hz – 20kHz Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated […]
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ST155
Richly detailed and articulate vocal, instrument and speech recording Full frequency response: 20Hz – 20kHz Switchable high-pass filter and attenuation pad Extreme volume handling: 144dB SPL (with –10db PAD engaged) Precision 1″ diameter, 3-micron diaphragm with disk resonator Hand-assembled capsule, custom-wound transformer, Class-A circuit Requires phantom power SM8 premium metal, band-suspension shock mount Custom padded […]
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ST44
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Frequency Response: 20Hz – 20kHz Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated […]
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ST151
Articulate and detailed vocal, instrument and speech recording Full frequency response: 20Hz – 20kHz Extreme volume handling: 134dB SPL Hand-assembled 1″ capsule, custom-wound transformer, Class-A circuit Requires 48V phantom power HM-2 stand mount Zippered carry case 2 Circuit Type: Class-A FET Polar Patterns: Cardioid Frequency Response 20Hz – 20kHz Sensitivity: 30mV/Pa Maximum SPL 134dB Equivalent […]
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ST51
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Frequency Response: 20Hz – 20kHz Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated […]
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ST131
2 Circuit Type: Low-Noise FET Circuitry Polar Patterns: Hyper-Cardioid Frequency Response 20Hz – 20kHz High Pass Filter: N/A Attenuation Pad: N/A Sensitivity: 5mV/Pa Maximum SPL: 146dB Equivalent Noise: 28dB SPL – A Weighted Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms transformerless Microphone Dimensions 6.9” long, 1.4” max. dia. Microphone Weight: 7.4 oz. […]
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ST69
2 Circuit Type: Class-A Tube Polar Patterns: Cardioid, Omni and Figure-8 Frequency Response 20Hz – 20kHz High Pass Filter: Switchable 75Hz, 12dB/octave Frequency Response: 20Hz – 20kHz Attenuation Pad: Switchable -10dB Sensitivity: 30mV/Pa Maximum SPL: 142dB (132dB without pad) Equivalent Noise: 22dB SPL Typical Load Imp: >1000 Ohms Output Source Imp: 200 Ohms, transformer isolated […]
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