Warm Audio WA-47 Large-Diaphragm Tube Condenser Microphone
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WA-47 — Tube Condenser Microphone
Legendary Studio Sound Reimagined
The WA-47 is a premium large-diaphragm tube condenser microphone designed as a faithful recreation of one of the most iconic microphones in recording history. It delivers classic vintage tone with rich lows, forward midrange, and smooth, musical highs — making it an essential tool for professional studios.
What You Need To Know
Like the original 47-style microphones, the WA-47 includes all the features required for a complete professional recording experience.
At its core is a true reproduction of the K47-style dual-diaphragm capsule, delivering authentic vintage tone with excellent detail across the full 20 Hz–20 kHz frequency range. Its natural presence boost makes it especially ideal for vocals and sources requiring classic analog character.
The custom TAB-Funkenwerk (AMI) USA-made output transformer is a critical component that shapes the WA-47’s bold and full-bodied sound, delivering warmth, depth, and harmonic richness true to the original design.
The premium 5751 vacuum tube provides smooth analog tone with lower gain and low noise performance, making it perfect for intimate recordings such as vocals and acoustic instruments.
Flexibility & Control
The WA-47 offers extensive polar pattern options:
- 3 main patterns: cardioid, omnidirectional, figure-8
- 6 intermediate patterns
This allows precise control over microphone response and makes it adaptable to virtually any recording scenario.
Technical Specifications
Type: Large-diaphragm tube condenser microphone
Polar Patterns: 9 total (cardioid, omni, figure-8 + 6 intermediate)
Frequency Range: 20 Hz – 20 kHz
Maximum SPL: 140 dB (<0.5% THD)
Dynamic Range: 130 dB
Equivalent Noise Level: 10–11 dBA
Signal-to-Noise Ratio: 82 dBA
Output Impedance: 200 ohms
Rated Load Impedance: ≥ 2k ohms
Dimensions: 254 mm × 60 mm
Weight: 9 lbs
Components & Build Quality
- Custom K47-style capsule with gold-sputtered 6-micron Mylar diaphragm
- TAB-Funkenwerk (AMI) USA output transformer
- Premium 5751 vacuum tube
- High-end capacitors: WIMA, Solen (France), and polystyrene
- Nickel-plated brass body with optimized headbasket design
Each unit is hand-tested to ensure professional-grade consistency and reliability.
Included Accessories
- WA-47 Microphone
- External power supply
- Gotham GAC-7 7-pin cable
- Shockmount
- Wooden storage box
- IEC power cable
Sound Character
The WA-47 delivers:
- deep, powerful low-end
- rich and present midrange
- smooth, silky highs
- low noise performance
- exceptional musicality
It brings vocals forward in the mix with warmth, clarity, and emotional depth.
Legendary Heritage
The original 47-style microphones were used on countless iconic recordings by artists such as Elvis Presley, Frank Sinatra, David Bowie, Lady Gaga, and many more. The WA-47 continues this legacy, offering that same timeless tone with modern reliability.
Review of Warm Audio WA-47 Large-Diaphragm Tube Condenser Microphone
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