Brüel & Kjær B&K Type 4166 1/2" Free-Field Condenser Microphone Capsule - Serial No. 617430

🔥 ULTRA-RARE STUDIO REFERENCE: Authentic Brüel & Kjær (B&K) Type 4166 1/2-Inch Free-Field Condenser Microphone Capsule! 🔥Up for sale is an incredibly rare, laboratory-grade, and highly collectible single Brüel & Kjær Type 4166 1/2" condenser microphone capsule, precision-engineered in Denmark.This premium capsule carries the authentic factory engravings inside the ring: "B & K", model "4166", and individual tracking Serial Number #617430.In the high-end studio recording and acoustic measurement world, Brüel & Kjær is the absolute gold standard. The Type 4166 is a legendary 1/2-inch free-field microphone capsule renowned for its ultra-linear frequency response, exceptional sensitivity, and pristine acoustic transparency.While originally designed for high-precision acoustic analysis, these capsules are heavily sought after by top-tier recording engineers and studio owners (often adapted with premium preamplifiers from DPA / Bruel & Kjaer) for capturing reference-level acoustic instruments, pianos, overheads, and orchestral rooms with breathtaking realism and zero coloration.

KEY FEATURES & CONDITION:

• 🇩🇰 Legendary Danish Craftsmanship: Genuine vintage Brüel & Kjær component with flawless, sharp factory serial engravings (#617430).
• 📐 Half-Inch Free-Field Geometry: Highly desirable 1/2" design favored for its excellent omnidirectional polar accuracy and high frequency response extension.
• 💎 Pristine Cosmetic Condition: Beautifully preserved. The threads are clean, the internal contact pin is immaculate, and the protective diaphragm grid shows zero dents or scoring.
• 🔧 Technical Status: [Укажите статус, например: Untested / Fully Operational / Pulled from a working environment]. Note: Due to the high-precision nature of this vintage laboratory equipment, it is sold as-is.
• SHIPPING & PREMIUM ARMORED PACKAGING:High-precision microphone capsules are delicate instruments that require absolute isolation during international transit. The capsule will be wrapped in multi-layered anti-static soft padding, secured inside a custom rigid hard-shell container, and shipped inside a robust outer cardboard box filled with thick shock-absorbing foam armor. Worldwide shipping with premium, insured tracking registration provided immediately.