ADK Microphones TC-Mk9 Class A Fixed Cardiod Tube Condenser Microphone with Flight Case and Power Supply Brilliance that is scintillating, present, and up-front A classy Class-A Tube Mic Ideal for modern vocalists, or soloists. Brilliant Open-Ended Architecture. Fact: Amy Grant put away a $5000 mic to use a TC ! Artists from Amy Grant to Kid Rock trusted their Tracks to ADK Valve (Tube) Microphones. A Whos Who of artists, engineers, & Producers use ADK TT for high-value tracks  Lead Vocal and Lead Instruments. Robust Transformer-Balanced tube design - Classic Austrian Front-of-the Mix Tone. The Vintage luminescent high-end is made more golden, by dint of the tube. Class-A Valve with Dual-Triode design- Warms up otherwise sterile digital tracks. A low-noise 6072A, together with well-designed electronics and accessories make it a smart choice for the Studio Professional. 34mm Gold Vapor-Deposit Capsule for Hi-Def recording and critical live applications. ADK capsules use hand-tensioning and special humidity resistant processes to insure precision & increase longevity. Brilliance that is scintillating, present, and up-front A classy Class-A Tube Mic Ideal for modern vocalists, or soloists. Artists from Amy Grant to Kid Rock trusted their Tracks to ADK Valve (Tube) Microphones. Robust Transformer-Balanced tube design - Classic Austrian Front-of-the Mix Tone. Class-A Valve with Dual-Triode design- Warms up otherwise sterile digital tracks. 34mm Gold Vapor-Deposit Capsule for Hi-Def recording and critical live applications.