Neumann U47 Long Body – Serial #2927 (Fully Serviced, Original Components)

Offered here is an exceptional, fully serviced example of the legendary Neumann U47 microphone Long Body, serial number 2927, representing one of the most iconic large-diaphragm tube microphones ever produced. This unit retains a remarkable degree of originality, complemented by professional servicing and documentation by TELEFUNKEN Elektroakustik, making it equally suited for high-end recording applications and serious vintage collectors.

Core Specifications & Original Components

• Model: Neumann U47 (Long Body)
• Microphone Serial Number: 2927
• Capsule Deck: #2963
• Capsule: Original Neumann K47 (historically noted as possibly serviced/replaced by Gotham Audio in the 1970s)
• Vacuum Tube: Original Telefunken VF14 tube (M-stamp), Serial #135 – tested, low noise, sounds phenomenal.
• Transformer: Original Neumann BV8 transformer
• Headgrille: Original chrome
• Body Finish: Original painted body

Internally, the microphone maintains its original wiring and component integrity, including period-correct resistors and Bosch capacitors and that fancy hand wound dropdown resistor, preserving the authentic sonic signature associated with early U47 production.

Condition & Performance

This microphone has been professionally cleaned, serviced, and tested by TELEFUNKEN Elektroakustik, a leading authority in vintage tube microphone restoration. The system performs exceptionally, with strong output, low noise, and the rich harmonic character expected from a VF14-equipped U47.

Included are frequency response plots of the K47 capsule, providing objective verification of its current performance.

Power Supply & Connectivity

• Power Supply: Neumann NG PSU (Serial #5572), recently recapped and tested
• Cable: Original tube microphone cable with swivel mount, fully functional
• The microphone has been successfully tested with both its original PSU and a modern production M940 power supply, confirming stable and reliable operation.

Included Accessories

• New wooden microphone presentation box
• Locking flight case for secure transport
• Elastic shock mount (modern, provided by TELEFUNKEN Elektroakustik)

This U47 Long Body is a rare opportunity to acquire a highly original, expertly serviced example featuring:

• Original VF14 M-tube
• Original BV8 transformer
• Original grille, body, and internal components
• Period correct original Neumann K47 replacement capsule (cause you know those M7’s dried out and cracked).
• Documented servicing and performance validation

Its combination of originality, professional servicing, and included documentation makes it a top-tier specimen suitable for world-class studios, archival collections, or discerning engineers seeking the unmistakable sonic character of a true vintage U47.

Free shipping in the USA included with the purchase of this microphone.

SHIPPING DETAILS

26” x 25” x 12”

30lbs