Warm Audio WA-47F Review: Technical details and self-noise

Alistair Vance
Written by Alistair Vance

May 8, 2026

Warm Audio WA-47F

Warm Audio WA-47F Review: Technical details and self-noise

Technical specs of Warm Audio microphone

  • Gold-coated large-diaphragm capsule in K47 design
  • TAB spark unit (AMI) USA output transformer
  • High-quality Fairchild transistors
  • Wima and polystyrene capacitors
  • Polar pattern: Cardioid
  • Limiting sound pressure level: 137 dB, 147 dB with activated 10 dB pad
  • Frequency response: 40 – 16.000 Hz
  • Output impedance: 150 Ohm
  • Pads and filters: -10dB pad
  • 140 Hz low-cut filter
  • Microphone dimensions (H x D): 203 x 70 mm
  • Weight: 0.9 kg

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Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Warm Audio WA-47F Review: Technical details and self-noise

Additional Information

Customer Review Summary

Warm Audio WA-47F is a versatile microphone that shines particularly well for those with powerful voices and in louder musical settings. It is robustly constructed, making it suitable for a variety of applications, from vocals to instruments like acoustic guitars, electric guitars, and even drums.

Many users have found that it delivers a rich, warm sound, especially when paired with a good preamp. The mic excels in capturing the nuances of vocals, particularly male vocals, providing a nice rounded bottom end that enhances the overall mix. It’s also noted for its ability to handle louder sources without distortion, making it ideal for rock and similar genres.

In testing, the WA-47F has outperformed dynamic microphones, particularly when recording electric guitar amplifiers, delivering a more appealing sound that integrates well into mixes. Its performance on drums is favourable, especially for kick drum recordings, where it captures more detail compared to other options.

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However, a minor drawback is the microphone’s mounting arm, which can loosen after several adjustments. It’s advisable to have an Allen key handy for tightening the screw as needed.

Overall, the WA-47F is a solid investment for anyone seeking a high-quality, multifunctional microphone that can adapt to various recording needs. If you’re on a budget, this mic is a fantastic choice as a workhorse, but for those with a bit more to spend, pairing it with another microphone could enhance your recording palette even further.



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Alistair Vance

Based in Bristol, Al has spent over a decade mixing local bands before specialising in hybrid studio consulting. He’s obsessed with the price-to-performance ratio, helping musicians achieve a "Radio Ready" sound without the need for a £50,000 Neve console. No fluff, just honest gear reviews to get your tracks sounding professional on a real-world budget.

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