Manley Laboratories, Inc. - Designer and manufacturer of pure vacuum tube processors for professional audio. Also high-end home HiFi equipment. Ashly Audio Inc. - This audio manufacturer produces power amplifiers, signal processors and mic mixers. Digital Audio Denmark - Digital AD/DA and DD audio converters and digital radio and music studio audio equipment. Orban, Inc. - Audio processing and editing equipment for broadcast radio and TV applications. BSS Audio - Makers of signal processors. dbx Professional - Digital processors, noise reduction and EQ products. Fultek Audio - Specializing in the design, manufacturing and consultation of electronic audio equipment for the entertainment industry. Presonus - Signal processors, compressors, limiters, mic preamps, de-esser, equalizers. Aphex Systems, Ltd. - Professional audio systems. Developer of signal processing, dynamics control and conversion systems. Empirical Labs Inc. - A US electronic design and manufacturing firm. Makers of the Distressor and Fatso audio hardware products. AudioPervert Electronics (APE) - Custom built analog processors for audio production. Eventide Inc. - Features Harmonizers and other effect processors. Company profile, products catalog, information on dealers and distributors. TC-Helicon - Vocal audio equipment such as VoiceWorks for multi-voice harmonies and pitch correction. Company and products information.