Warm Audio WA-47F Large-Diaphragm FET Condenser Microphone
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Description
The Warm Audio WA-47F is a large-diaphragm FET condenser microphone modeled after the classic 47-style FET mic first released in 1969. Replacing the tube circuit with solid-state FET electronics, the WA-47F delivers a pristine top end and tight, controllable bass while handling fast transients and high SPLs. A gold-sputtered K47-style capsule is paired with a custom TAB-Funkenwerk (AMI) USA output transformer, premium Fairchild FETs, and Wima and polystyrene capacitors for a studio-ready sound on vocals, kick drums, guitar cabinets, and any source that demands detail at higher volumes.
Where tube 47-style microphones are prized for warmth and harmonic richness, the FET version trades that tube saturation for faster transient response and a tighter low end. This makes the WA-47F a strong choice on kick drum, where it captures the initial attack and the sustained body of each hit with clarity. On guitar cabinets, the K47-style capsule and AMI transformer deliver present midrange and controlled bass even at high monitoring levels. The -10 dB pad extends SPL handling to 147 dB, and the 140 Hz high-pass filter cleans up low-frequency rumble before the signal reaches the preamp.
Specifications
- Type: FET condenser
- Polar pattern: Cardioid
- Capsule: Gold-sputtered, single-backplate K47-style
- Transformer: Custom TAB-Funkenwerk (AMI) USA
- Frequency response: 40 Hz to 16 kHz
- Max SPL: 137 dB (147 dB with pad)
- Output impedance: 150 Ohms
- Self-noise: 18 dBA
- S/N ratio: 76 dBA
- Pad: -10 dB
- High-pass filter: 140 Hz
- Power: 48V phantom power
- Dimensions: 203 x 70 mm (8" x 2.75")
- Weight: 0.91 kg (2 lb) mic only; 1.59 kg (3.5 lb) total
In the Box
- WA-47F microphone
- Premium wood box
- Integrated hard mount














