For sale is an exceptionally early and highly original AKG D20B dynamic cardioid microphone with serial number 566.

This microphone comes from the earliest production period of the legendary AKG D20 series and remains in remarkable original condition. It is fully functional and includes the original presentation case, original cable, original AKG connector, original documentation, and the original factory tag still attached to the microphone.

Features and Highlights:

• AKG D20B, 200 Ohm version
• Extremely low serial number: No. 566
• Fully functional and tested
• Multi-pin connector and cable included, with Tuchel Big connector
• Original blue presentation case included (restoration at lock, see picture)
• Original documentation and instruction sheets included
• Original AKG factory tag included
• Original yellow-dot hum compensation version
• No XLR conversion, no modifications, no restoration work

Condition:

The microphone is in excellent vintage condition considering its age of more than 60 years. The grille is exceptionally clean with no significant dents. The original finish is well preserved, and the microphone retains all important original components.

The presentation case remains structurally sound and complete, showing only normal signs of age and storage. The original documents are included and show expected wear consistent with their age.

Performance:

The microphone has been tested and is fully operational. Signal output is strong and clean. A frequency response measurement using pink noise is available upon request.

Collector’s Note:

Finding a D20 is not difficult. Finding an early-production D20 with serial number 566, complete with original case, cable, documentation, factory tag, and in working condition is exceptionally rare.

This is a unique opportunity for collectors of vintage AKG microphones, recording historians, studio owners, and enthusiasts of classic European broadcast and recording equipment.

Worldwide shipping available.

Please feel free to contact me for additional photographs, measurements, or detailed information.