The Sony TC-9000 is a sophisticated tape deck model introduced around 1971, priced at approximately ¥193,000. It is capable of stereo recording and playback with a track width of 38cm² using a No. 10 reel. The device utilizes an AC servo motor alongside dual capstan technology for precise tape movement. Key features include an automatic heading and stopping device designed to minimize click noise during operation. The TC-9000 supports multiple tape speeds at 38cm/s, 19cm/s, and 9.5cm/s, which assists in providing versatile playback options. The performance metrics are noteworthy, including a wow and flutter specification of 0.03% WRMS at 38cm/s, indicating excellent stability and sound quality. The recording bias operates at approximately 120 kHz. Frequency response varies based on tape type; when using SLH tape, it ranges from 20 Hz to 30 kHz (± 2 dB) while general tapes offer 20 Hz to 28 kHz (± 2 dB). The overall signal-to-noise ratio is 59 dB with SLH tapes and 56 dB with general tapes. Its external dimensions are 445mm in width, 501mm in height, and 254.5mm in depth, with a weight of 30 kg, making it a substantial device in terms of both size and build.
