Upgraded Electronics from ADK Vienna/Hamburg Total reliability: no switches, long-life components. Purist audio path, super-clean supply circuit. Extra capsule QC and special assembly procedures. Transformer output for robust, full bodied tone. Dynamic range set to accomodate a wide rand of day-to-day studio applications. Low noise Class A Condenser sounds warm and open on all acoustic applications! Frequency response tailored to give a present and natural sound in any situation. Coloration Balanced - in - between the Mellow Hamburg and Sparkling Vienna EditionClick here to view all ADK Products