AKG C12 Multi-Pattern LDC Tube Mic #841 (Vintage) - Vintage King
AKG C12 Multi-Pattern Tube Microphone #181 (Vintage) - Vintage King
Vintage AKG C12 Large Diaphragm Tube Microphone Klaus Heyne Restoration Serial # 0941 - Professional Audio Design, Inc | Professional Audio Design, Inc
AKG C 12 VR Multipattern LDC Tube Mic #2623: Multi-pattern LDC tube microphone | eBay