Kiwara Audio KA-47

$1,195.00

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KIWARA KA-47 Large Diaphragm Tube Condenser Microphone - U47-Inspired Classic

The KIWARA KA-47 is a meticulously crafted large-diaphragm tube condenser microphone that faithfully recreates the legendary warmth, depth, and character of the iconic U47. Hand-assembled with premium components—including a custom KIWARA M7 capsule, KIWARA BV08 output transformer, and rare NOS GE 5654W vacuum tube—this microphone delivers the smooth, open midrange, silky highs, and rich low-end that defined the golden age of recording. Switchable cardioid/omnidirectional patterns, a high-quality Mogami tube cable with Tuchel connector, and a robust external power supply make the KA-47 a modern professional tool that honors a timeless classic.

Custom KIWARA M7 Capsule

The heart of the KA-47 is a precision-engineered reproduction of the original M7 capsule, with dual-diaphragms, gold metallization, and hand-tuned performance to match vintage specifications. It captures exceptional detail, natural warmth, and the characteristic U47 depth that made it a studio legend for vocals, acoustic instruments, drums, and ensembles.

KIWARA BV08 Output Transformer

The custom KIWARA BV08 transformer is a faithful recreation of the classic design, delivering the unmistakable low-end weight, open midrange, and smooth high-end that defined the U47 sound. Engineered for tonal integrity and purity, it ensures every nuance of the tube and capsule is preserved with rich, musical character.

Key Features of the KIWARA KA-47

  • Large-diaphragm tube condenser inspired by the U47
  • Custom KIWARA M7 capsule — faithful vintage reproduction
  • Custom KIWARA BV08 output transformer for classic tone
  • NOS GE 5654W vacuum tube for authentic warmth
  • Switchable cardioid and omnidirectional polar patterns
  • Premium Mogami 3172 tube cable with Tuchel connector
  • Stable, low-noise external power supply (110/230 V)
  • High-end resistors, capacitors, and precision engineering
  • Includes power supply, shock mount, and wooden storage box

Technical Specifications

  • Type: Vacuum Tube Condenser Microphone
  • Capsule: Custom KIWARA M7
  • Polar Patterns: Cardioid, Omnidirectional
  • Frequency Range: 20 Hz – 20 kHz
  • Sensitivity: 25 mV/Pa (cardioid) / 18 mV/Pa (omni)
  • Tube: NOS GE 5654W
  • Output Transformer: Custom KIWARA BV08
  • Cable: Premium Mogami 3172 with Tuchel connector
  • Power Supply: External, 110/230 V selectable
  • Included: Power supply, tube cable, shock mount, wooden box
Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.