Sunrise Engineering and Design Inc. - Makers of the TRUE Precision 8 Microphone preamp. News and reviews, technical support, and product ordering information. QSC Audio Products - Power amplifiers, digital signal processing and signal transport. CR Developments Ltd. - Manufacturer of tube transistor amplifiers. Grommes Precision Electronics, Inc. - American manufacturer of original, custom, and private labeled audio and electronic components for use in commercial, consumer, and industrial applications. Chevin Research Ltd - Supplies a range of high powered audio amplifiers, engineered and built for professional users. Neva Audio - Manufacturer of professional power amplifiers. Electrocompaniet - Manufacturers of preamplifiers, integrated and power amplifiers. Product and contact details available. SWR Sound Corporation - Manufacturer of professional amplifiers. Product descriptions, retailer lists, support information, and catalog.