BRAND NEW, NEVER USED!

Warm Audio WA-47jr FET Condenser Microphone is a large-diaphragm, transformerless FET condenser mic designed as a modern, affordable take on the classic '47-style studio microphone (inspired by the Neumann U47 FET). It delivers rich analog warmth, big low-end, detailed midrange, and smooth highs with excellent dynamic range and ultra-low noise, making it ideal for vocals, acoustic instruments, drums, guitar amps, and broadcast/studio work. warmaudio.com This is the full-featured WA-47jr (not the streamlined SE version, which is fixed cardioid only). It uses premium discrete components and the same K47-style capsule as Warm Audio’s flagship WA-47 tube model.

• Type: Custom Warm Audio K47-style (model WA-47-B-80v), 34 mm large diaphragm
• Diaphragm: Dual large diaphragms, single backplate, gold-sputtered, 6-micron NOS Mylar (PET film)
• Design: Vintage-correct reproduction for classic '47 tonal character

Polar Patterns

• Switchable: Cardioid, Omnidirectional, Figure-8
• Pattern selector switch on the mic body

Electronics & Performance

• Circuit: Fully discrete transformerless FET signal path
• Components: Toshiba FETs, Wima film capacitors, Panasonic electrolytic capacitors
• Frequency Response: 20 Hz – 20 kHz
• Sensitivity: 10 mV/Pa or -40 dB
• Output Impedance: 100 Ω
• Rated Load Impedance: ≥ 1 kΩ
• Maximum SPL: 147 dB (1 kHz, 0.5% THD, 1 kΩ load) / 157 dB with -10 dB pad engaged
• Self-Noise / Equivalent Noise: 9 dBA (IEC 651)
• Signal-to-Noise Ratio: 85 dBA (IEC 651)
• Dynamic Range: 138 dBA (IEC 651)
• Maximum Output: 16 dBu (1 kHz, 1 kΩ load, 0.5% THD)
• High-Pass Filter: Switchable 70 Hz
• Pad: Switchable -10 dB
• Power Requirement: +48 V phantom power
• Output Connector: 3-pin gold-plated XLR male

Physical

• Dimensions: Diameter 52 mm (2.04"), Length 210 mm (8.27")
• Weight: 1.1 lbs (499 g)
• Finish: Available in Nickel (silver) or Black
• Body: Robust metal construction with onboard switches for pattern, pad, and high-pass filter

Included Accessories

• Custom shockmount
• Hard mount / microphone holder
• Zippered storage pouch (leather-style)

Key Features & Design Notes

• Transformerless FET design keeps it lightweight, focused, and modern while retaining the vintage '47 warmth and clarity.
• Three polar patterns + pad + HPF give it serious versatility for stereo miking, close-up work, or handling loud sources.
• Excellent for pro studios, home recording, live sound, and broadcast—handles everything from intimate vocals to high-SPL drums or guitar cabs with low noise and high headroom.
• 5-year warranty (standard for Warm Audio).

This is a standard production model with no custom-shop variations. The specs above are taken directly from Warm Audio’s official documentation and consistent retailer spec sheets