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Ear Trumpet Labs - Bicycle Gear Microphone

Ear Trumpet Labs - Bicycle Gear Microphone


These custom one-of-a-kind models utilize a tea-ball capsule basket held in a spring suspension in a mid-sized reclaimed bike gear. Visually striking, singular and elegant. The mic body is built from heavy copper and brass plumbing components.

Classic cardioid pattern, with excellent off-pattern rejection and plenty of output, making her easy to use live. With the clarity, gain, feedback resistance, and full, natural frequency response to change the game when it comes to live single-mic situations. She has a pleasing high end with no harshness, and a sound that performers, audiences, and engineers all describe as astonishingly natural. 


  • Hand-made microphone with unique appearance

  • Tea-ball head basket capsule assembly spring-mounted in a reclaimed bicycle gear

  • Integral silk and foam pop filter, for effective control of plosives without loss of clarity

  • Transformerless FET fully balanced electronics

  • Highest quality hand-wired electronic components - film caps, precision resistors, hand tested and matched transistors, with component values tuned for the individual circuit.


Ideal for single-miking a small acoustic ensemble, including acoustic instruments and multiple vocalists, on stage or in studio.


  • TRANSDUCER TYPE: condenser, large (26 mm) diaphragm

  • POLAR PATTERN: cardioid

  • FREQUENCY RESPONSE: 20 - 17K hz (-3dB)

  • SENSITIVITY: -38.8dB (11 mV/Pa)


  • NOISE LEVEL (A-weighted): <17 dBA

  • POWER REQUIREMENT: +48V phantom power

  • WEIGHT: 1 lb (6.1 lbs cased)



  • Metal tool case with foam padding, 15" x 10" x 4 1/2"

  • Mic clip

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