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Blue Microphones Bottle Cap B3

Well Balanced Sound


The B3 Bottle-Cap is designed to work with the Bottle and Bottle Rocket microphones. It provides top-quality cardioid recording with an extremely well balanced, transparent sound. The mic captures every source accurately and smooths out the top end. It works perfectly when recording female vocals, electric bass, distorted guitar, banjo, mandolin, organ and even distant orchestral ensembles.


  • Polar Pattern: Cardioid
  • Capsule Type: Condenser
  • Dual Backplate
  • Medium Diaphragm
  • Designed for use with the Bottle & Bottle Rocket Microphones
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