Warm Audio WA-CX12
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Manufacturer Information
Warm Audio
https://shop.warmaudio.com
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Mogar Music France
Email: info@mogarmusic.fr
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A Microphone Inspired by Vintage References, Designed for Today's Studios
The WA-CX12 follows in the footsteps of the most sought-after tube condenser microphones known for their tonal balance and sense of space. Renowned for its ability to reproduce believable ambiances and elegant presence, this type of mic has become a standard on countless sessions. Warm Audio embraces this philosophy with carefully selected components and meticulous craftsmanship to recapture that "reference" grain while meeting the demands of a modern workflow.
What Sound Sources Is the WA-CX12 Designed For?
The WA-CX12 is a natural choice for lead vocals when definition without harshness is desired, as well as for choirs and duet recordings thanks to its multiple polar patterns. It also excels on acoustic guitars, pianos, strings, brass, and as a room mic to add depth. Its ability to handle high SPL makes it reliable on dynamic sources while maintaining a rich, organic midrange texture.
Technical Specifications
Type and Design
- Tube condenser microphone
- Vintage-style fully brass CK12 capsule with custom finish
- Premium 12AY7 vacuum tube
- Top-quality capacitors
- Custom TAB-Funkenwerk (AMI) USA output transformer
Polar Patterns
- 9 polar patterns: cardioid, omnidirectional, figure-8, plus 6 additional mixed patterns
Audio Performance
- Max SPL: 149 dB
- Frequency response: 30 Hz-20 kHz
- Output impedance: 200 ohms
- Signal-to-noise ratio: 73 dB
- EIN / Self-noise: 32 dBA
Power Supply and Wiring
- Power source: grounded external IEC power supply
- Cable: 5-meter Gotham GAC-7, premium 7-pin tube microphone cable
Dimensions and Weight
- Dimensions: 295 mm x 50 mm
- Weight: 1.1 kg
Technical specifications
| Frequency response | 30 Hz - 20 kHz |
| Category | studio microphone |
| Directivity | cardioid |
| Capsule | Large Diaphragm |
| Connection | XLR |
| Color | Grey |
Questions frequently asked
Is the Warm Audio WA-CX12 suitable for recording lead vocals?
Its large-diaphragm CK12-style brass capsule delivers definition without harshness, providing silky highs. The 12AY7 tube and TAB-Funkenwerk (AMI) transformer contribute to a rich midrange reproduction.
What polar pattern does this microphone offer?
The technical specifications indicate a cardioid polar pattern, suitable for capturing a source placed directly in front of the microphone.
Can it handle acoustic guitar, brass instruments, or piano?
With a maximum SPL of 149 dB, this model is designed for dynamic sources. It can be used on acoustic guitar, piano, strings, and brass. Its frequency response ranges from 30 Hz to 20 kHz.
What power supply is required for this tube microphone?
A grounded external IEC power supply is required. A 5-meter Gotham GAC-7 cable with 7 pins is recommended to connect the microphone to its power supply.
What kind of connectivity does the WA-CX12 have?
The output uses an XLR connector with an impedance of 200 ohms.



