Item #1334699 Model #ST155
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Sterling Audio ST155 Large-Diaphragm Condenser Microphone Standard


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Detail, articulation and versatility.

With a switchable high-pass filter and attenuation pad, the Sterling Audio ST155 large-diaphragm condenser microphone provides additional versatility in the recording studio. Its 1" large-diaphragm design delivers richly detailed and articulate sound along with incredible smoothness and warmth, while its hand-assembled capsule and custom-wound transformer make it a standout in its class. Includes an SM8 premium metal, band-suspension shockmount and custom padded carry case that complement the ST155’s rugged construction and visual style.
  • Circuit Type: Class-A FET
  • Polar Patterns: Cardioid
  • Frequency Response: 20Hz–20kHz
  • High Pass Filter: 75Hz, 12dB/octave
  • Attenuation Pad: -10dB
  • Sensitivity: 32mV/Pa
  • Maximum SPL: 144dB (134dB without pad)
  • Equivalent Noise: 22dB SPL
  • Typical Load Imp.: >1,000 ohms
  • Output Source Imp.: 200 ohms, transformer isolated
  • Dimensions: 7.7" long, 1.9" max diameter
  • Weight: 1.2 lb.
  • Power: 48V phantom power


  • 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
  • Precision 1" diameter, 3-micron diaphragm with disk resonator
  • Hand-assembled capsule, custom-wound transformer, Class-A circuit
  • Includes SM8 premium shockmount and aluminum carry case
  • Requires phantom power

WARNING: This product can expose you to chemicals including Ethylbenzene, which is known to the State of California to cause cancer, and Toluene, which is known to cause birth defects or other reproductive harm. For more information go to