The fabulous ADF990 is AIWA's most advanced cassette deck (1983), with features that not only ensure simple, foolproof operation, but also unmatched fidelity. Unquestionably the most suprelative 3-head deck in its class (1983), the AD-F990 offers advanced engineering for superior total performance. The AD-F990 features Amorphous combination head for superior performance and durability. It also features Dolby HX Professional, not a noise reduction, but an entirely new way of processing signals, this sophisticated circuitry functions during all recordings but requires no processing during playback. The DATA (Digital Automatic Tape Adaptation) system is a sophisticated microcomputerized circuit that automatically "tests" each tape prior to recording and adjusts the deck's bias, equalization and sensitivity to optimum levels, in only 16 seconds. A series of automated features are present such as: Auto Noise Reduction Detector, Auto Recording Level Control, Auto Tape-Source Selector (all these are manually selectable as well) Other technological features include a Auto De-magnetizing system, Micro-grain dual capstan transport, all-mode tape remaining time display, fluorescent multi-function display and feather-touch electronic volume control with position indicator.
