SEA Microphones Service - AKG Solidtube MOD Probably the first Solidtube which sounds great! - changed input topology and cathode biasing - tube changed to NOS Siemens ECC81 (Munich not RFT rebrand) -
AKG Solid Tube New
AKG Solid Tube Vacuum Tube Microphone 90' Full Combo Vintage Excellent F/S JAPAN | eBay
AKG Solidtube Tube Condenser Mic - Electric Denim Studios