The Classic ’47 — Expertly Captured

Warm Audio have established themselves as a premier source for high-quality, faithful re-creations of historic microphones, and the new WA-47F makes good on this tradition. Here, they’ve set their sights on the exceedingly rare, large diaphragm FET microphone — if you’ve ever used a classic ’47 FET mic, then you know what they’re after. An exceptionally high-SPL handling has made it a powerful, versatile mic, with vocal and drum sounds (kick drum, in particular) being primary use cases. The era-accurate K47-style capsule houses its premium components, with a 10dB booster pad and a 140 Hz low-cut filter. Vocals are especially enriched, thanks to a tight, veritable cardioid pattern with a unique pickup that makes its placement of vocals among live instrumentation a standout point. Engineers have used nearly every mic under the sun, and they wholeheartedly agree: if you’re looking to capture that hallmark ’47 sound, then this low-noise classic belongs in your studio.

Full spectrum recording

Drawing from its namesake inspiration, the WA-47F features a K47-style capsule. The meticulously reverse-engineered FET design has resulted in the faithful recreation of a condenser microphone whose high-SPL allows for a wide range of response without risk of overloading. For voice, a light scooping and not-overly-bright sound lets vocals sit smoothly in a mix of live instruments without losing nuance. The max SPL of 137dB can be upped to 147dB, thanks to the 10dB pad, making this a phenomenal option for miking drums, and amplified instruments. Plus, with the addition of a 140 Hz low-cut filter, low-end muddiness is eliminated without compromising on substance.

Electric feel

This workhorse mic may look great, but its inner electronics demonstrate that it’s got bark and bite. A gold-sputtered condenser creates exceptional conductivity for the large-diaphragm, single-backplate design. The custom TAB-Funkenwerk output transformer, premium Fairchild transistors, and wima polystyrene capacitors give this mic an output impedance of 150 ohms, making it ideal for a multitude of professional-quality uses, keeping noise low and power high. The cardioid polar pattern is pure, tight, and perfect for capturing the natural punch of louder sounds without flattening their more-nuanced faculties.

Warm Audio WA47-F FET Condenser Microphone Features:

Gold-sputtered, large diaphragm, single-backplate, K47-style capsule for era accurate design

High-SPL handling (Max 137dB, or 147dB with 10dB engaged) reliably captures kick drum and high-volume sounds without losing fidelity

Frequency response of 40Hz–16kHz means wide application with precise pickup capacity

Custom TAB-Funkenwerk USA output transformer, premium Fairchild transistors, and wima and polystyrene capacitors

Cardioid polar pattern is precise, and pure, ideal for nuanced details

Output impedance of 150 ohms, making this microphone low-noise and extremely versatile

140Hz low-cut filter reduces muddiness while keeping low-end tight, retaining substance

Rated load impedance of >1k ohms

Lightweight, robust design (3.5lbs/1.6kg, mic only: 2lbs/0.91kg)

In the Box

Warm Audio WA-47F Large-Diaphragm Cardioid FET Condenser Microphone

Premium Wood Storage Box

Limited 1-Year Manufacturer Warranty

Specifications