This German family business was founded by father and son Hofmann, people with an extreme passion for music, a wealth of experience in building electronic devices and a penchant for perfectionism in every detail. Octave designs and manufactures high-end tube amplifiers offering the level of stability and reliability comparable with the best transistor counterparts. Trademark Octave DynamicTechnologies allows the amplifier to perform at its best with any speaker regardless of its impedance.