Low Frequency Websites:

  • ballastdesign.com

    Electronic Ballast Design for HID Lamps

    A practical overview of high efficient electronic ballast design for HID lamps. Presenting specific features of HID lamps and related ballast requirements, and energy saving...

  • djav.com

    DjAV

    DjAV -- Manufacturer of Pro audio equipment. Made in the U.S.A. since 1992 and run with a passion, experience producing world class loudspeakers, YOU WILL BE HEARING FROM US.