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Blue Microphones Bottle Mic Locker

Includes B0, B6, B7, B8 Bottle-Caps & an SKB Flight Case


The Bottle Mic Locker from Blue Microphones is a professional grade portable recording kit that will propel the quality of your recordings to the next level. It contains a selection of excellent interchangeable Bottle-Caps as well as the renowned Blue Bottle Tube Microphone and a variable power supply. This gives you a great platform with enough additional versatility to capture a multitude of different sources with ease. The package also includes a seriously durable SKB flight case – ensuring your gear remains protected at all times.

Blue Bottle Tube Microphone

The Blue Bottle Tube Microphone is the perfect bedrock. It is a flexible platform with a discrete, Class A tube circuit (with an EF86 vacuum tube) that was hand selected due to its reliability and high-quality nature. It works particularly well bringing out the detail of a vocal – with the included Bottle-Caps giving you enough creative options to create the perfect recording.

Contrasting Capsules

Each of the included Bottle-Caps brings a different recording skillset and a cardioid polar pattern to the table. The B8 is the most well-rounded, serving as the top choice if you’re looking for a balanced option that excels in most scenarios. The B7 pays homage to the vintage tones of classic tube mics, letting you recapture the old-school sound and feel. The B6 is the opposite of the B7, bringing a more modern, fuller sound which is suited to everything from vocals and piano to percussion.  Finally, the B0 adds a smooth tone that is best applied to vocals.

Kit Includes

  • x1 B0 Bottle-Cap
  • x1 B6 Bottle-Cap
  • x1 B7 Bottle-Cap
  • x1 B8 Bottle-Cap
  • x1 SKB Carry Case
  • x1 Power Stream Tube Mic Power Supply
  • x1 Blue Bottle Tube Microphone


  • Interchangeable, bayonet-style capsules.
  • Power Stream Tube Mic power supply (with a variable capsule-sensitivity dial).
  • Discrete, Class A Tube Circuit (with an EF86 vacuum tube).


  • Transducer Type: Vacuum Tube Condenser
  • Polar Patterns: Various (Capsule-dependent)
  • Frequency Response: 20Hz – 20kHz
  • Sensitivity: 20.0 mV/Pa at 1kHz (1Pa = 94dB SPL) w/B6 Capsule
  • Output Impedance: 200Ω
  • Rated Load Impedance: Not less than 1kΩ
  • Maximum SPL: 134 dB SPL (2.5kΩ, 0.5% THD) w/B6 Capsule
  • S/N Ratio: 56.5 dB-A (IEC 651) w/B6 Capsule
  • Noise Level: 7.5 dB-A (IEC 651) w/B6 Capsule
  • Dynamic Range: 126.5dB (@2.5kΩ) w/B6 Capsule
  • Power Requirement: Bottle Power Supple Unit 115/230 VAC, 50/60 Hz
  • Weight: 1700g
  • Dimensions: 390mm x 90mm
Inc. VAT

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