Neumann KM 54c 1957 - Silber

Neumann KM 54 c (1957) Vintage Tube Microphone – Fresh Official Neumann Service & 2-Year Warranty

Up for sale is a holy grail of acoustic recording: an ultra-rare, vintage Neumann KM 54 c small-diaphragm tube condenser microphone, originally manufactured on July 29, 1957.This specific microphone features the highly coveted original nickel capsule (KK 54) and the legendary Telefunken AC701k miniature tube, renowned for providing unmatched detail, silkiness, and unparalleled transient response on acoustic guitars, strings, and piano. The "c" version comes with the original historical Tuchel connector.Condition & Service History:
This mic is a collector’s dream. It has just returned from an extensive, official check-up and restoration by the authorized Georg Neumann GmbH Service on July 29, 2026—exactly 69 years to the day after its original "birth" in 1957.The official Neumann Legacy Certificate/Documentation is included in the sale and confirms the following work completed:

• Full visual and technical inspection & performance check
• Complete acoustical and electrical calibration
• Deep cleaning of the nickel capsule, capsule mounting assembly, and housing parts
• Replacement of small maintenance parts to guarantee factory spec alignment
• Includes a full 2-year warranty from Neumann on calibration and replaced parts (valid until July 2028!)

What is included:

• Original Neumann KM 54 c Tube Microphone (Serial visible on bottom/internal)
• Original historical blue velvet-lined wooden storage case
• Original, signed & stamped official Neumann Microphone Authenticity Certificate (Birth Date: 29.07.1957)
• Original, signed & stamped official Neumann Service & Maintenance booklet (Dated: 29.07.2026)

Please note: This listing is for the microphone, case, and official documentation as shown. No external power supply or cables are included unless negotiated separately.The microphone will be packed with utmost professional care and shipped fully insured worldwide with tracking. Local pickup in Hamburg, Germany is also welcome.Don't miss the chance to own a fully documented, officially warrantied piece of recording history. Feel free to message me with any questions!

Shipping Note: Due to the high value and historical importance of this microphone, it will not be shipped via standard postal services (like DHL/FedEx standard). Instead, it will be dispatched via a specialized, fully insured international value courier (such as INTEX or Galle Werttransporte). It will be sealed in a tamper-evident safebag upon collection. International buyers, please message me before purchasing to get an exact, tailored shipping quote to your location!