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Warm Audio WA-CX12 Tube Condenser Microphone

Faithful recreation of the most natural and balanced tube condenser microphone of all time featuring a custom TAB-Funkenwerk USA output transformer and a meticulously spec'd solid brass CK12-style capsule matching the warmth and detail of the original


Product Description

A faithful recreation of the renowned C12 tube mic, the Warm Audio WA-CX12 is a nine-pattern large diaphragm condenser microphone that’s tailor-made for capturing professional vocal and instrumental performances as well as natural, balanced room tones. In order to capture the smooth highs and vibrant midrange of the original, the WA-CX12 utilizes Warm’s proprietary CK12-style capsule, a custom output transformer and a premium 12AY7 vacuum tube.

A popular choice for rock, pop, jazz and R&B, the original C12 was used on countless hit records by superstars such as The Beatles, Quincy Jones, Michael Jackson, Taylor Swift, Alanis Morrisette, Celine Dion and more. Warm Audio cut no corners with this recreation, starting with a custom edge-terminated, dual-backplate, all-brass vintage CK 12-style capsule, meticulously selected to deliver the detail and warmth of the original. Next, Warm utilized a custom large-core TAB-Funkenwerk output transformer imported from Germany to drive the signal. Finally, a hand-selected 12AY7 vacuum tube delivers rich, pleasing harmonics and plenty of vintage vibe.

Known for being a studio workhorse, both the original C12 and the WA-CX12 feature nine polar patterns including cardioid, omnidirectional, and figure-8 patterns—plus 6 intermediate stages for ultimate versatility, especially in stereo-pairs. A boutique 7-pin GAC-7 tube cable constructed in Switzerland using vintage-correct construction methods and highly-upgraded components ensures no color or character is lost during signal transfer. And of course, the WA-CX12 includes a custom, ultra-durable, vintage-vibe tweed carrying case for transporting your mic from session to session. So don’t wait! Get the Warm Audio condenser mic today and make music magic happen.


  • Faithful recreation of the most natural and balanced tube microphone of all time featuring a highly accurate sound profile compared to the original, known for its organic tones and elevated room sounds
  • Organic and natural sounding tone with pleasing high end and colorful midrange so you feel the performance come through
  • Dual capsule, edge-terminated, and custom machined out of solid brass - meticulously spec’d to match the detail and warmth of the original
  • Custom TAB-Funkenwerk USA Output Transformer: large-core imported German laminations drive all of the full natural sound captured by the capsule
  • Rigorously tested, hand-selected 12AY7 Vacuum Tube
  • 9 polar patterns including cardioid, omnidirectional, and figure-8 patterns plus 6 intermediate stages for ultimate versatility, especially in stereo-pairs
  • Boutique 7-pin GAC-7 tube cable from Gotham Switzerland featuring vintage-correct construction methods and highly-upgraded components achieving near-perfect signal transfer
  • Safely transport your mic anywhere with the custom, ultra-durable, vintage-vibe tweed carrying case

Product Specifications

Condition New
Length 11.6 in
Diameter 2 in
Unit Weight 2.4 lb
Tube or Solid State Tube
Tube Type Premium 12AY7 vacuum tube
Capsule Type All-brass vintage CK12-style capsule
Transducer Type Condenser
Polar Pattern Bi-Directional / Figure-Eight, Cardioid, Omni-Directional, Variable-Pattern
Number of Microphones Single Microphone
Impedance 200 Ohms (output)
Frequency Range 30 Hz - 20 kHz
Max. SPL 149 dB
Analog or Digital Analog

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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.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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