Condenser Microphones


  • 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
  • Requires phantom power


  • SM8 premium metal, band-suspension shock mount
  • Custom padded aluminum carry case


With a switchable high-pass filter and attenuation pad, the Sterling 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 shock mount 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 Filters: Switchable 75Hz, 12dB/octave
Attenuation Pad: Switchable -10dB
Sensitivity: 32mV/Pa
Maximum SPL: 144dB
Equivalent Noise: 22dB SPL - A weighted
Typical Load Impedance: >1000 Ohms
Output Source Impedance: 200 Ohms transformer isolated
Dimensions: 7.7” long, 1.9” max. dia.
Weight: 1.2 lbs
Power: 48V Phantom Power

Available from the following retailers: