Warm Audio CX12 – Large Diaphragm Condenser Tube Microphone

OVERVIEW

Premium Components • Elite Build Quality • Superior Sound

Like the original C12-style mic, the WA-CX12 includes all the features that deliver a complete and professional recording experience.

Unlike later nylon iterations of this capsule, the WA-CX12 faithfully replicates the clear, open top end of the original all-brass CK12 capsule.

The WA-CX12 uses a premium 12AY7 vacuum tube to complement the CK12-style capsule for added warmth and clarity without harsh high-end.

The custom USA-made AMI transformer drives the full natural sound captured by the capsule, delivering that renowned Austrian sound.

The WA-CX12 has 9 polar patterns, providing ultimate flexibility and versatility in a variety of recording applications.

CK12-Style Capsule

The all-brass CK12-style capsule provides the performance of the vintage original, by smoothing out the top-end and delivering a pleasing, natural tone to the transformer. Unlike later nylon iterations of this capsule, the WA-CX12 faithfully replicates the clear open top end of the original all-brass CK12 capsule.

 

 

 

 

AMI USA-Made Output Transformer

The history of TAB-Funkenwerk (AMI) transformers goes all the way back to the founding of the most sought-after German analog audio innovations. The TAB (AMI) transformer in the WA-CX12 is American-made with large-core German laminations and built to exacting standards as designed by Oliver Archut. The custom transformer drives the full natural sound captured by the capsule, delivering that renowned Austrian sound.

 

 

 

 

Premium Tubes, Capacitors & Boards

The WA-CX12 uses a premium 12AY7 vacuum tube that adds warmth and depth to the microphone’s signal. Like all Warm Audio products, we use premium capacitors in the circuit for ideal signal transfer. The PCB board in the WA-CX12 does not have solder masks, which allows for the lowest noise floor possible, preventing crosstalk from added capacitance.

 

 

 

 

Authentic Appearance, Elite Build Quality, Premium Accessories

The WA-CX12 is encased in an ultra-durable nickel-plated brass body. Every WA-CX12 comes with a custom tweed carrying case housing the mic, wood mic case, premium Gotham 7-pin cable, IEC cable, shockmount, and external power supply. Every WA-CX12 is meticulously hand-inspected at Warm HQ in Austin, TX, by real musicians and engineers with a passion for superior sound.

 

 

 

 

The CX12 is a gorgeous-sounding microphone. Its character is warm, rich and sweet, with excellent extension at both frequency extremes. We love the WA-CX12 for its refined and flattering sound… a gorgeous, creamy midrange flanked by a weighty low-end and sparkling treble. It’s a classic in its own right. – MusicTech

KEY HIGHLIGHTS

Coveted & Rare… Until Now.

The WA-CX12 is a faithful recreation of the most natural and balanced tube mic of all time. The WA-CX12 cuts no corners in achieving a highly accurate sound profile of the original, known for its organic tones and elevated room sounds. Some of the most notable artists to create music with the original include The Beatles, Lupe Fiasco, Tom Petty, Michael Jackson, Alanis Morissette, and Taylor Swift, just to name a few.

True Sound, No-Compromise Components

The WA-CX12 sound profile is known for capturing the real sound of a performance. Designed to provide clarity in the midrange and smooth out any high-end harshness, the WA-CX12 delivers professional solo vocals, intricate piano performances, and epic, natural room sounds. Like the original, the WA-CX12 tone is mostly flat until a slight dip at 2kHz with a gradual boost between 5-10kHz.

Applications

Vocals – Intimate Vocals:

Smooth Top End With Clear Falsetto And Natural Compression.

Piano – Present Piano:

Pristine & Present With Enough Lower-Mids To Occupy A Mix.

Room – Natural Room Tones:

Natural & Balanced With High-End That Never Sounds Harsh.

Horns – Rich Horns:

Rich & Detailed With Body And Sweet High-End.

FEATURES

• Large-diaphragm tube condenser microphone
• All-brass CK12-style capsule for smooth, open high-end
• Premium 12AY7 vacuum tube for warmth and depth
• Custom USA-made AMI output transformer
• Nine selectable polar patterns (cardioid, omni, figure-8 + intermediate)
• Natural, balanced frequency response with smooth top-end
• High SPL handling for demanding recording applications
• Low-noise circuit design with premium capacitors
• Nickel-plated brass body for durability and shielding
• Ideal for vocals, piano, horns, and room recordings
• Includes external power supply and premium 7-pin cable
• Supplied with shockmount, wood box, and tweed carrying case
• Hand-inspected for quality assurance
• Designed for professional studio use

POLAR PATTERNS

TECHNICAL SPECS

Product Type: Tube Condenser Microphone

Polar Patterns: 9

• Cardioid
• Omnidirectional
• Figure-8
• + 6 intermediate patterns

Internal Components:

• Custom Edge Terminated
• All-Brass Vintage CK12-Style Capsule
• Custom TAB-Funkenwerk (AMI) USA Output Transformer
• Premium 12AY7 Vacuum Tube
• Premium Capacitors

Max SPL: 149dB

Frequency Response: 30Hz-20kHz

Output Impedance: 200 Ohms

Signal-To-Noise Ratio: 73dB

EIN / Self-Noise: 22dBA

Included Accessories:

• Shockmount
• Custom Tweed Carrying Case
• External IEC Grounded PSU
• IEC Power Cable
• Premium Gotham 5 Meter 7-Pin Tube Microphone Cable
• Wood Microphone Box

Dimensions:

• Height/Length — 29.5cm (11 ⅝”)
• Diameter — 5cm (2”)

Weight:

• Box with Full Contents — 7.7 kg (17 Lbs)
• Mic Only — 1.1 kg (2lbs 7oz)

Warranty: 5-Years

DOWNLOADS & SUPPORT

• User Manual
• Product Registration