Advanced Audio CM47ve Tube Microphone

Advanced Audio

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Product Code: 6471
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This item is currently on back order with the manufacturer but we have more on order. Go ahead and place your order to ensure you get one when they are back in stock. We will keep you updated as we are provided information on the arrival. If you have a deadline then please contact us before placing the order so we can meet your expectations.

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The Advanced Audio CM47ve Tube Microphone is a large dual-diaphragm, multi-pattern, tube condenser microphone inspired by the famous Neumann U-47.

The CM47ve is a great choice for vocals, horns, acoustic instruments, and excels in front of bass and guitar amps. The CM47ve provides response within +or - 1.5dB of a U47 microphone made after 1958.

The Advanced Audio CM47ve features our AK47 capsule. The AK47 is an exact reproduction of the early Neumann K47. The AK47 is a 32mm capsule with single back-plate, random drill pattern and is skinned with 6 micron mylar and a brass surround like the 1959 k47. The CM47ve yields a more vintage, 'darker' response curve than our CM47 above 10kHz but has a very present sound with a slightly wider proximity effect than the CM47.

The circuit is based on the very hifi 6072 tube optimized with a state of the art two-stage Class "A" CCDA design. This circuit provides a much lower output impedance with more headroom than the circuit used in the original U47. The lower output impedance provides a faster damping factor when driving the BV8 type transformer, delivering a better transient response than the original design. Selected 6072a tubes are some of the quietest tubes made, and are much less susceptible to microphonics than the metal-clad vf14 tubes used in the original U47 tube microphone. The dual-bobbin output transformer with its hum bucking configuration and our optimized circuit will deliver > +14dBu with less than 1% distortion. The output transformer is driven with a 2.2 ufd metal-film capacitor to take advantage of the transformer’s response down below 20Hz.

Advanced Audio CM47ve Tube Microphone Features

  • 1.0” (32mm) Ak47 single back plate, 6-micron skinned mylar capsule
  • Capsule polarization 60v on the back-plate
  • 9 selectable pickup patterns remotely switched from the power supply
  • Dual bobbin BV8 (6.5:1 ratio) output transformer
  • Selected 6072a tube Class A dual stage (CCDA)

Advanced Audio CM47ve Tube Microphone Specifications

  • Frequency Response: 20Hz to 20kHz +/–3dB
  • Noise: <15dB (A-weighted)
  • Impedance: < 200 ohm (load impedance <1.2K)
  • Distortion: < 0.5% @128dB
  • Maximum Output: > +14dBu with less than 1% distortion

Advanced Audio CM47ve Tube Microphone Includes

  • Advanced Audio CM47ve Tube Microphone
  • Power Supply
  • Tube Cable
  • Shockmount
  • Radcase
  • Manufacturer Warranty

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