Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone

Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone

Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone

B&H # WA47JR MFR # WA-47JR
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Product Highlights

  • Cardioid, Omnidirectional & Figure-8
  • K47-Style Capsule Reproduction
  • Gold-Sputtered, 6-Micron Mylar Diaphragm
  • Fully Discrete Signal Path
  • Toshiba FETs
  • WIMA and Panasonic Capacitors
  • 70 Hz Roll-Off and -10 dB Pad
  • Includes Shockmount and Hardmount
  • Includes Storage Pouch
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Warm Audio WA-47JR overview

  • 1Description

The Warm Audio WA-47jr is a large-diaphragm FET condenser microphone designed to provide the tonal characteristics of classic solid-state U47 microphones for vocalists, musicians, and recording engineers in home, project, and commercial recording studios. Thanks to three polar patterns—cardioid, omnidirectional, figure-8—selectable from a switch on the front of the body, its versatility allows it to excel at anything from dry, close-up vocals to ambient room sounds. A -10 dB pad switch raises the maximum SPL from 147 dB to a high of 157 dB, enabling safe use when miking kick drums and cranked guitar and bass amps. Excessive low frequencies from proximity effect are easily reduced via the high-pass filter, which rolls off lows below 70 Hz.

The K47-style capsule reproduction features dual gold-sputtered, 6-micron Mylar diaphragms with a single backplate. The fully discrete signal path includes Toshiba FETs, WIMA film capacitors, and Panasonic electrolytic capacitors to deliver the clean tone associated with transformerless microphones. With a gold-plated XLR 3-pin connector and operability via 48V phantom power, it is compatible with most mixing consoles and mic preamps.

The WA-47jr ships with a storage pouch, hardmount, and a shockmount, which reduces rumble and decouples it from problematic vibrations.

Custom Capsule
The WA-47jr utilizes a custom reproduction of the vintage K47-style capsule that was used in the classic U47 microphone—designed with the same hole pattern and frequency response. Warm Audio's version of this capsule (model WA-47-B-80v) is carefully manufactured by an Australian capsule manufacturer whose precision and consistency allows sonic replication of the most important piece of this classic style of microphone.
Low Noise
The WA-47jr's discrete signal path pairs with the true U47-style capsule to obtain a very similar tone to the classic U47 microphone. The low self-noise of only 9 dBA enables pristine capture of quiet sound sources.
Tone-Impacting Components
The WA-47jr incorporates a modernized and simplified circuit design. Toshiba FETs, WIMA film capacitors, and Panasonic electrolytic capacitors contribute to the signature tone of the mic.
Configuration Flexibility
Three polar patterns and a -10 dB pad enable versatility for close and distant positions and loud and quiet sources. The 70 Hz high-pass filter aids in reducing rumble, proximity effect, and excessive low frequencies.
UPC: 713541493124
In the Box
Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone
  • Shockmount
  • Hardmount
  • Zipper Storage Pouch
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Warm Audio WA-47JR specs

    Analog Performance
    Sound Field Mono
    Operating Principle Pressure Gradient
    Transducer Condenser
    Tube Yes
    Polar Pattern Cardioid, Figure-8, Omnidirectional
    Pattern Selection Switched
    Frequency Range 20 Hz to 20 kHz
    Signal to Noise Ratio 85 dB A-Weighted
    Equivalent Noise Level 9 dB A-Weighted
    Maximum SPL 147 dB SPL

    157 dB with -10 dB pad engaged

    Pad -10 dB
    Impedance 100 Ohms
    Load Impedance 1 kOhms
    Sensitivity 10 mV/Pa
    Low-Cut Filter @ 70 Hz
    Dynamic Range 138 dB A-Weighted
    Output Connectors 1 x 3-Pin XLR
    Operating Voltage 48 V
    Length 8.27" / 210 mm
    Diameter 2.05" / 52 mm
    Weight 1.1 lb / 0.50 kg
    Packaging Info
    Package Weight 4.05 lb
    Box Dimensions (LxWxH) 11.2 x 10.0 x 6.1"

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