Darrell Hayes Email & Phone Number

Westlake Village, California, Us

Stamford, Connecticut, Us

http://www.harmanluxuryaudio.com/Design of high end consumer AV equipment ( Lexicon and Mark Levinson brands ) including: 2 Channel Preamplifiers, multichannel Pre/Pros, Integrated Amps, Receivers, CD & DVD players, and Power Amplifiers. Envision and develop new strategies to improve audio performance through simulation, bench testing, and listening evaluations. Responsible for architecting and developing analog & digital audio circuitry including ADCs, DACs, low jitter digital interfaces, Op Amp & discreet designs. Work with linear and switching power supplies ( including recent low power EuP design ), analog video, general digital control (I2C,SPI), and digital audio interfaces (HDMI, USB, SPDIF). Schematic based CPLD design of glue logic, SPI & signal multiplexing. Intimate understanding of design for compliance & manufacturing. Involved in the development of prototype and production test procedures. Mentored Junior Engineers. Received numerous bonuses and positive reviews in the eight years at Luxury Audio & HSG.

Woburn, Ma, Us

http://bostonacoustics.com/Design of Home Theater in a Box, Subwoofers, Powered PC Speakers, and disc based audio systems from conception to production. Responsible for entire development and documentation process including schematics, BOMs, and PCBs. Did all of the research, evaluation, troubleshooting, cost cutting and testing for assigned projects. Interfaced with mechanical, compliance, project, test, and software engineers. Generally worked with PCAD tools for design documentation, but also used ORCAD, PADS, CAM CAD, and others. Simulated with ORCAD’s P-SPICE and Altium DXP Simulator. Mixed signal designs involved the use of MCUs, DSPs, ADCs, DACs, VCAs, power amplifiers, memory devices, power supplies, OP Amps, discrete transistor circuits, etc. Experienced in getting PCBs with high speed clocks through compliance testing.

Responsibilities included design, PCB layout, prototyping, test, evaluation, development of test procedures, and specifications for multimedia speaker systems. Projects included design of first Dolby Licensed Surround Sound speaker system for the PC, laptop computer amplifier, various computer monitor amplified speaker systems, and stand alone powered speaker systems for the PC. Extensive Audio Precision experience.