Warm Audio WA-47 Tube Condenser Studio Microphone - Used

Current Stock:

Item was a customer return in excellent like-new condition.

WA-47 is an authentic reproduction of the most coveted tube microphone, hailed as the grandfather of professional recordings and timeless studio sound. Production of the U47 microphone ran from 1947 - 1963 after initially debuting in Berlin in 1947. The original U47 microphones quickly became the industry standard for professional recordings by the early 1950’s and still runs the show today due to the added sensitivity of the mic which boosts the presence and detail of contemporary recordings. Some of the most famous albums of all time feature vintage 47 microphones, with an artist roster that goes from Sinatra to Adele with many a few small acts like The Beatles in between. Vintage 47-style microphones raised the bar for what’s possible in recording and the WA-47 is meticulously designed with premium components to authentically reproduce that coveted sonic profile and feature set at an unprecedented price.


  • Custom K47-Style Capsule Recreation
  • Capsule Makeup: Gold Sputtered, Dual Large Diaphragm, Dual-Backplate, 6 Microns NOS Mylar (PET Film)
  • TAB-Funkenwerk (AMI) USA Output Transformer
  • Premium 5751 Vacuum Tube
  • Wima, Solen French, And Polystyrene Capacitors
  • Self-Noise: 11dBA
  • Polar Patterns: 9 Patterns - Cardioid, Omni, Figure-Of-Eight + 6 Mixed Patterns
  • Dynamic Range: 130dBA
  • Maximum SPL: 140dB (<0.5% THD)
  • Dimensions: 8” X 2.75” (20.3cm X 7cm)
  • Frequency Range: 20 Hz~20 KHz
  • Output Impedance: 200 ohms
  • Rated Load Impedance: ≥2kOhms
  • S/N Ratio: 82dBA
  • Equivalent Noise: 10dBA (IEC651)
  • Gotham 5 Meter GAC-7, 7-Pin Tube Microphone Cable
  • Total Weight - 9 Lbs
  • Mic Diameter: 60mm
  • Mic Length: 254mm
  • Includes: Microphone, Wood Box, Power Supply Unit, Shockmount, Gotham 7 Pin GAC-7 Cable, IEC Power Cable