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) -
真空管とソリッドステートのハイブリッド・マイク!AKG SOLID TUBE入荷しました! | Rock oN Company | DTM DAW 音響機器
AKG Solid Tube Vacuum Tube Microphone 90' Full Combo Vintage Excellent F/S JAPAN | eBay