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Wunder Audio CM7 (Demo Deal) – No Longer Available

Remake of the legendary U47 tube microphone, complete with M7 capsule and all accessories

Product Description

The Wunder Audio CM7 Tube Microphone comes with the original large-style U47 transformer that was used in the earlier U47's, including the legendary "Large Badge" U47. These first couple of hundred U47's are very sought after sonically. The CM7 transformer's larger size and high nickel content achieves better low end rolling off at 20 Hz, identical to the original U47 design, instead of 40 Hz. The smaller 40 Hz transformer that was used in later versions of the U47 was made with the 40 Hz roll-off as a requirement for the IRT (German Broadcasting Network). In modern day recording this capability to capture the low end frequencies is essential.

Package includes:

  • CM7
  • Plush oak box
  • Historical shock mount
  • Historical power supply
  • Original large Tuchel connected mic cable
  • Tweed carrying case
  • Comes standard with the M7 capsule

Product Specifications

Condition Demo / B-Stock
Package Contents Includes power supply, EF14 tube, connection cable, shock mount, quarter-sawn oak case
Length 9.45 in
Diameter 2.48 in
Tube or Solid State Tube
Transducer Type Condenser
Polar Pattern Cardioid, Omni-Directional
Number of Microphones Single Microphone
Phantom Required No
Impedance Electrical: 200 Ohms
Frequency Range 20 Hz - 18 kHz
Sensitivity Cardioid: -32 dBV/Pa (25 mV) / Omni: -37.1 dBV/Pa (14 mV)
Max. SPL 128 dB

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.