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  • Wunder Audio CM12S Suprema Microphone -
  • Wunder Audio CM12S Suprema Microphone - system -
  • Wunder Audio CM12S Suprema Microphone - case -

Wunder Audio CM12 S Suprema Microphone

$7,495.00 $6,695.00
(You save $800.00)
Special Order. Final Sale. Usually ships in 1-3 days.
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Product Description


The Wunder Audio CM12 Suprema Multi-Pattern Tube Microphone is a historic replica of the renowned AKG C12 vintage tube microphone, featuring capability of producing 9 different polar patterns. The CM12 S includes a CK12 capsule, a Hiller T14/1 transformer, and a 6072a vacuum tube, all built to original specifications and true to the vintage C12.

Our CM12 S is designed to reproduce an audio signal with the detail, clarity, and character of the original C12.
The C12, AKG’s best-known tube condenser, is regarded by many as one of the finest microphones ever made and our CM12 S lives up to this notion with its principal sound creating components: the capsule, the transformer, the tube, the grille size and the screen mesh.


Some of the most important sound capturing components of the CM12 S is the grille size and screen mesh. Our CM12 S grille, as well as all the mechanical components in the CM12 S, are true to the vintage mic and are made to the exact specs as the original C12, down to the smallest of machine marks. The grille is made like a piece of fine jewelry, as it is hand brazed, polished, and bright nickel-plated.

The grille's open mesh captures the ears of those who were spoilt by the luminescence and transparency of the original C12.


The Wunder Audio CM12 Suprema employs a true to vintage CK12 capsule with 6-micron Mylar. It is a side-address, large-diaphragm design based on AKG’s CK12 capsule. The CK12 dual membrane, dual backplate capsule was first Introduced in 1951 as AKG developed this completely new type of complex backplate.

It is a 1" membrane that is fully metalized. This freely vibrating membrane will have a lower LF cutoff than any center fixed membrane like the KK47 or KK67. The CK12 also has a unique system of dual, asymmetrical, separated resonant backplates (each backplate is itself a resonant chamber), which is what gives it a very flat midrange and 10-12 kHz peak.
The original CK12 capsule is widely considered to be one of the finest condenser microphone capsules in history.
In 1953, an Austrian company, AKG revealed the now-legendary CK12 microphone capsule and became one of the two dominant forces in the manufacture of commercial condenser microphones.
This new capsule became to be the basis of their bestselling AKG C12 microphone.


The CM12 Suprema uses a period correct Hiller T14/1 transformer wound to the Braunbuch specification, using laminations made from the identical nickel alloy mixture as used in the historic Hiller T14 transformer.


The Wunder Audio CM12 S tubes are hand tested NOS GE 5-star 6072A:

• 6.3 volts DC filament voltage,

• 120 volts DC plate voltage


We've optimized our passive components to achieve a true audiophile performance. While audiophile equipment is usually referred to at the end of the chain in recording, we feel that it is most important that the first link in the recording chain, the microphone, be the best attainable. ⇓(continue reading about the capacitor/contract)

Power Supply

The new generation tube Microphone PSU is proprietary to Wunder Audio and is an upgrade from the vintage tube mic PSU’s used for the 1960's era Neumann design. Our upgrade gets a clean and stable DC voltage to the mic and shields the influx of Wi-Fi and RF interference with 100 percent reliability.

Box and Carrying Case

Your Wunder Audio CM12 S is nestled in velvet and softly secured in place in a foam-lined quarter sawn oak box that is clasped and hinged. This box then is safely encased in a precision velvet-lined thick foam tweed case that also holds your PSU, your swivel mount, and your cables. ⇓(continue reading about the carrying case/contract)

Technical Data

· Frequency Range: 20 to 20,000 ± 2 dB

· Directional Characteristics (nine different positions):   Omni-directional.

· Cardioid: better than 20 dB front-to-back ratio at 180° sound incidence,

· Bi-directional: 20 dB front-to-back ratio

· Sensitivity: 1.0 mV/µbar (–60 dB re 1 V/dyne/cm2), unloaded (200 ohms)

· Equivalent Noise Level: less than 20 dB

· Tube Complement: 1 x 6072, 6.3 volts DC filament voltage,

· 120 volts DC plate voltage

· AC Connection: 110/125/145/220/245 volts AC at 50/60 cps

(Special Order. Final Sale.)

Warranty Information

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