Advanced Audio CM49LE Tube Microphone

Advanced Audio

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Product Code: 6494
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The Advanced Audio CM49LE Tube Microphone is an accurate reproduction of the original M49 microphone. Vintage capture with modern components!

The CM49LE features a 9 pattern switch located on the power supply. Advanced Audio has substituted the soldered in tube for a 7 pin socketed 5654w/6J1. An output transformer with the same footprint and turns ratio as the original BV11a used in the M49C.

Advanced Audio CM49LE Tube Microphone Features

  • 34mm K47 type capsule response
  • Traditional triode tube circuit typical of the M49C

Advanced Audio CM49LE Tube Microphone Specifications

  • Pattern Selector: 9-pattern from power supply
  • Circuit Type: Single stage class "A" tube, transformer coupled
  • Capsule: centre fed K47 single back-plate dual diaphragm
  • Capsule Polarization: 56V and rear diaphragm 0V in passive-cardioid
  • Tube Type: 7-pin socketed military grade selected military 5654w/6J1 pentode strapped as a triode
  • Transformer: Full size BV11a dual bobbin footprint with 10:1 ratio.
  • Distortion: <.5%@20Hz/+10dBu and <0.05%@50Hz/+10dBu
  • Max SPL: 138dB
  • Frequency Response: 25Hz-20kHz + or - 3db
  • Equivalent Noise Level: <14dB (A- weighted) selected tube
  • S/N Ratio: >86dB (Ref. 1Pa A-weighted)
  • Sensitivity: -32dBu
  • Output Impedance: <200 ohm (load impedance <1.2K)
  • Output Connector: Male XLR, 7-pin gold plated
  • Power Supply: Switchable 120v-220v

Advanced Audio CM49LE Tube Microphone Includes

  • Advanced Audio CM49LE Tube Microphone
  • Power Supply
  • Shock Mount
  • Gold Plated 7-Pin Cable
  • Mic Bag
  • Sturdy Travel Case
  • Manufacturer Warranty

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