This Onkyo TA-2090 is a stereo cassette deck with Dolby B/C and HX-Pro and DBX noise reduction. The main features of the Onkyo TA-2090 are: 3 heads and off-tape monitoring, digital linear tape counter with 4 digits, automatic tape type selection and capable of handling normal, chrome and metal tapes, dual capstan transport. Typical front loading cassette deck with the cassette compartiment located on the left side of the deck. Tape eject is operated mechanically and the cassette needs to be placed with the side to be played facing forward in the cassette well. Level meters used on the TA-2090 are generic digital peak reading meters with multi-color indication to provide visual saturation level of tape and peak hold for easy adjustment of optimum recording level. Full-logic transport controls used on the TA-2090 let it respond to the slightest finger contact for fast and effortless transport function selection. To ensure the best response from the wide variety of tapes available adjustment of, bias and sensitivity, to optimum levels can be performed prior to recording. Dolby C-type used in the TA-2090 provides 20 dB of noise reduction above about 1,000 Hz, fully doubling the amount given by B-type. The Dolby HX PRO system provides precise bias control during recording to reduce distortion and improve linearity in the high-frequency range, the result is recorded sound that is highly faithful to the original. Dbx Type II found in the TA-2090 is a simplified version of the Type I noise reduction system. The dbx Type II system was designed to be used with systems with limited bandwidth such as cassette based recorders and also uses a simple 2:1:2 compander to reduce noise. The 19kHz multiplex pilot slgnal present in FM stereo broadcasts can cause false triggering of the noise reduction system. The switchable MPX filter of the TA-2090 filters out the pilot signal, and assuring proper Dolby processing of FM stereo programs. To make live recordings this deck has 2 microphone inputs to connect microphones with a jack connector. For undisturbed listening a jack connector for a pair of stereo headphones is supplied. Connection to other audio components for plaback can be achieved by a RCA cable and recording from a source by a RCA cable. All main transport commands can be issued remotely with a wired remote control. SPECS: Type: 3-head, single compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.8 cm/s Heads: 1 x combination record/playback, 1 x erase Motor: 1 x DD, 2 x DC Tape Type: type I, CrO2, Metal Noise Reduction: B, C Headroom Extension: HX Pro Frequency Response: 20Hz to 22kHz (Metal tape) Signal to Noise Ratio: 80dB (dolby C) Wow and Flutter: 0.02% Input: 60mV (line), 0.3mV (mic) Output: 1.1V (line) Semiconductors: 130 x transistors, 68 x diodes, 38 x IC, 33 x LED Dimensions: 450 x 100 x 392mm Weight: 9kg Year: 1984 The device in the ad is in perfect condition in all respects. Its complete restoration took place in the fall of 2023. Manual and automatic tape calibration; recording and playback thoroughly tested and checked. All its services are working flawlessly. If required, I can send 4K videos recorded during operation!