All Services Engineering & Architecture vacuum tube devices $9/hr · Starting at $90 Design and production of audio devoces using vacuum tubes. From the idea up to final cut. Both in paper and metal. Related experience for more than 10 years already. With focus on natural and pure sound in the end. About $9/hr · Ongoing Download Resume Design and production of audio devoces using vacuum tubes. From the idea up to final cut. Both in paper and metal. Related experience for more than 10 years already. With focus on natural and pure sound in the end. Skills & Expertise Audio ServicesDesignProduction ManagementRadio Frequency Engineering 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts DesignersProduction Managers