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9 polar patternsWunder Audio CM12

Multi-Pattern Tube Condenser Microphone

The Wunder Audio CM12 is a modern recreation / reproduction of the legendary AKG C12. It uses the Hiller T14/1 output transformer that was standard in the early C12. These boutique microphones are hand assembled in Texas per customer order.

Unlike the rest of the Wunder line of microphones, the C12 uses capsules made elsewhere; Wunder maintains (but does not name) multiple suppliers, some of which are in Europe. Customers can optionally request the use of a Peluso CEK-12 in lieu of Wunder’s “stock” capsules, or an original 1960s-vintage CK12 capsule (with a fresh diaphragm).

  • Tubes are hand tested NOS GE 5-star 6072.
  • Highest-quality electronic components are used to achieve a better low end and S/N ratio.
  • Internal wiring is teflon-coated silver.
  • The power supply offers nine polar pickup patterns, precision regulation, and passive filtering.
  • Point-to-point wiring is used for the audio path, true to the original C12.
  • Oak box with black suede padded lining is included.
  • Individual body parts can be sold separately as replacement parts for a vintage C12.

Also available is the model CM12H (for “historical”), which uses a vintage-style power supply with a separate pattern-selection device.

The Wunder Audio CM12 is also known as: CM-12, CM12H.

The mic was released in 2004.


Pickup Patterns Pads & Filters
Omnidirectional (30 - 20,000 Hz)
Cardioid (30 - 20,000 Hz)
Bidirectional (30 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diameter n/a
200 Ohms (Low) Max SPL: 128 dB
Weight Length Max Diameter Interface(s)
680g (23.99oz) 225mm (8.86'') 42mm (1.65'')
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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