Warm Audio WA-47 – Large-Diaphragm Tube Condenser Microphone

The Warm Audio WA-47 is a premium tube condenser microphone inspired by the iconic 47-style studio microphones used across decades of recording history. This all-tube, transformer-balanced large-diaphragm mic offers rich low end, detailed midrange and smooth high frequencies.

Key Features

• K47-style dual brass diaphragm capsule: Captures deep bass, smooth mids and extended highs with the character of the original 47-series microphones.
• Nine switchable polar patterns: Cardioid, omnidirectional, figure-8 and six intermediate settings provide maximum flexibility for vocals, stereo work and room capture.
• Authentic tube signal path: Equipped with a JJ 5751 vacuum tube and an AMI (TAB-Funkenwerk) output transformer to deliver vintage warmth and fullness.
• High dynamic range and low noise: Engineered to handle demanding sources while maintaining clarity and presence in the signal chain.
• Premium accessory bundle included: Comes with external power supply, 7-pin tube microphone cable, shock mount and wooden storage box for a complete professional setup.

Customer Benefits

The WA-47 brings studio-class tone and flexibility into your workflow. Whether recording lead vocals, acoustic instruments, strings or room ambience, this microphone offers the depth, richness and nuance that vintage gear is known for. With nine polar patterns and high-quality components, it’s a versatile choice that adapts to many recording scenarios.

Quick Specs

• Polar patterns: 9-way (Cardioid, Omni, Figure-8 + 6 intermediate)
• Frequency response: 20 Hz–20 kHz
• Maximum SPL: Approx. 140 dB SPL
• Output impedance: Approx. 200 Ω
• Self-noise: Approx. 11 dB (A-weighted)

What’s in the Box

• Warm Audio WA-47 microphone
• External power supply unit
• 7-pin tube microphone cable
• Shock mount
• Wooden storage box

Use Cases / Ideal For

Ideal for lead and backing vocals, acoustic and electric guitars, piano and keys, drum overheads, strings, brass sections, stereo arrays and ambient room recording. Especially suited when you want vintage character, depth and flexibility.

Compatibility

Comes with external power supply. Requires +48 V phantom power via the power supply. Connects via the 7-pin cable to the mic and balanced XLR output to a mic preamp or audio interface.

Pros & Cons

✅ Pros:

• Authentic vintage 47-style tone with premium components.
• Extremely flexible with nine selectable polar patterns.
• Includes full professional accessory package.

⚠️ Cons:

• Large and heavy body—requires a stable mic stand and setup.
• Tube microphone design demands careful preamp choice and warm-up time.

The Warm Audio WA-47 offers a professional-grade tube condenser microphone with vintage character, superior flexibility and full studio readiness.