Warm Audio WA-47
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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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The Classic Reimagined for Modern Studios
An absolute reference from the 1960s, the "U 47" shaped countless hits. The WA-47 carries on this legacy with carefully selected components and meticulous craftsmanship, delivering the expected vintage color while remaining accessible and reliable for everyday use. Its internally reproduced K47 capsule, combined with transformer-based electronics, reproduces the depth and grain that made the legend.
Who Is It For and What Are Its Uses?
Designed for professional studios as well as demanding home studios, the WA-47 excels on lead vocals, backing vocals, acoustic guitars, amps, pianos, overheads, brass, and strings. Its multiple polar patterns facilitate solo takes, face-to-face duets, room or close-miking, as well as high-end broadcast and voice-over applications.
Design and Sonic Advantages
The combination of the JJ 5751 tube and TAB-Funkenwerk (AMI) transformer provides musical harmonic saturation, silky mids, and controlled transients. The low self-noise and wide dynamic range ensure excellent clarity, even with transparent preamps. The 9 polar patterns allow optimization of proximity response, rear rejection, and ambient capture, enabling precise sculpting of the source and room acoustics.
Delivered with dedicated power supply, Gotham 7-pin cable, and shock mount, the WA-47 integrates immediately into your recording chain. The wooden case protects the microphone between sessions, whether in a fixed studio, home studio, or on the go.
Technical specifications
| Frequency response | 20 Hz - 20 kHz |
| Category | studio microphone |
| Directivity | omnidirectional, cardioid, bidirectional |
| Capsule | Large Diaphragm |
| Connection | XLR |
| Color | Grey |
| Output transformer | TAB-Funkenwerk (AMI), USA |
| Tube | JJ Slovak 5751 |
| Output impedance | 200 Ohms |
| 9 switchable polar patterns | cardioid, omnidirectional, figure-eight + 6 intermediate positions |
| Dynamic range | 130 dB (A) |
| Self-noise | 11 dB (A) |
| Signal-to-noise ratio | 82 dB (A) |
| Max SPL | 140 dB (below 0.5% THD) |
| Dimensions (diameter x length) | 90 x 254 mm |
| Weight | 4.1 kg |
Questions frequently asked
What polar patterns does the WA-47 offer?
The 9 switchable polar patterns cover omnidirectional, cardioid, figure-8, and 6 intermediate settings. This selection allows adjustment of source capture, rear rejection, or ambient pickup.
Is the WA-47 suitable for recording lead vocals?
The large diaphragm K47 capsule is paired with a JJ Slovak 5751 tube and a TAB-Funkenwerk (AMI) transformer. This design provides musical harmonic saturation and smooth midrange. The specified self-noise is 11 dB(A).
What connectors are provided with this tube microphone?
Connection is via XLR, with a dedicated power supply and an included 7-pin Gotham cable.
Can this microphone be placed in front of a guitar amp or brass instruments?
With a maximum SPL of 140 dB and less than 0.5% THD, this microphone is designed for high-level sources. It can be used on amps, brass, overheads, or piano.
What accessories are included with the WA-47?
The package includes the dedicated power supply, 7-pin Gotham cable, shock mount, and wooden case. The microphone measures 90 x 254 mm and weighs 4.1 kg.
