Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone (Black)

Product #90809 | SKU WA-47jr-BLK | Warm Audio
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Our Price $547.00
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  • For Studio Voice and Instrument Miking
  • Cardioid, Omni & Figure-8 Polar Patterns
  • K47-Style Capsule Reproduction
  • -10 dB Pad Prevents Distortion
  • 70 Hz High-Pass Filter


The Warm Audio WA-47jr is an FET transformerless version of the highly renowned classic ‘47 microphone that has been used on countless hit records for the last 50+ years.

The WA-47jr is fully discrete, has 3 polar patterns and is designed for pro studio, home studio, live, and broadcast applications. The WA-47jr sounds great on vocals, acoustic/electric guitars, acoustic/electric bass, drums, piano, strings, brass/woodwind instruments, and an array of other sources.

The WA-47jr proudly utilizes a custom k47 style capsule reproduction, designed with the same hole pattern and frequency response as the vintage design. The WA47jr's low-noise and discrete signal path, when paired with this excellent true '47 style capsule, allows it to obtain a very similar tone to the classic ‘47 microphone. The WA-47jr utilizes the same k47 style capsule found in Warm's flagship WA-47 tube condenser microphone.

The WA-47jr circuit uses high quality Toshiba FET’s, Wima film capacitors and Panasonic electrolytic capacitors. The circuit is modernised and more simple than the classic ‘47 tube microphone, but the components and circuitry are top-notch, and have a sound quality and tone that punches far above anything we’ve ever heard in this price range.


Primary Applications Studio Recording
Form Factor Large Diaphragm Mic / Stand/Boom Mount
Intended Sound Sources Vocals, Instrument
Sound Field Mono
Operating Principle Pressure Gradient
Capsule Condenser
Diaphragm 1.3" / 34 mm
Polar Pattern Cardioid, Figure-8, Omnidirectional
Pattern Selection Switched (Adjustable on Mic)
Orientation Side Address
Circuitry Solid-State (FET)
Pad -10 dB
High-Pass Filter 70 Hz
Indicators None
On-Board Controls High-Pass Filter, Pad, Polar Pattern
Windscreen None
Frequency Range 20 Hz to 20 kHz
Maximum SPL 147 dB SPL (1 kHz, .5% THD, 1-Kilohm Load)
157 dB SPL (1 kHz, .5% THD, 1-Kilohm Load, with Pad)
Impedance 100 Ohms
Load Impedance ≥ 1000 Ohms
Sensitivity -40 dB
Dynamic Range 138 dB A-Weighted
Signal-to-Noise Ratio 85 dB A-Weighted
Equivalent Noise Level 9 dB A-Weighted
Output Connectors (Analog) 1 x XLR 3-Pin Male (on Mic)
Headphone Connector None
Bus Power None
Operating Voltage 48 V (Phantom Power)
Colour Black
Mounting Mic Clip/Stand Adapter, Shockmount (Included)
Included Case Zipper Pouch
Included Filters None
Dimensions ø: 5.2 x L: 21 cm
Weight 0.5 kg

In The Box

  • Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone (Black)
  • Shockmount
  • Hardmount
  • Zippered Storage Pouch


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  • Product: Warm Audio WA-47jr Large-Diaphragm FET Condenser Microphone (Black)
  • Manufacturer: Warm Audio
  • Model: WA-47jr-BLK
  • SKU: WA-47jr-BLK
  • RM Product #: 90809

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