Sony TC RX1000T
A quick-reverse cassette deck built for accessibility use, with auto-calibration and variable playback speed
Overview
The Sony TC RX1000T is a quick-reverse cassette deck. It was developed at the request of the National Council of Braille Libraries, for volunteers making sound recording books. It takes monaural input and cannot use metal tape. It was designed for reliable, long-term recording, and it automates enough of the operation that non-technical users can run it.
Specifications
| Product type | quick-reverse cassette deck |
| Track type | 4-track 2-channel |
| Heads | 1 Record / Replay, 1 Erase |
| Motor | One DC servo motor 2 DC Motors |
| Wow and flutter | 0.05%WRMS ± 0.09% Wpeak (JEITA) |
| Frequency characteristic | 25 Hz to 18 kHz ± 3 dB TypeII cassette, -20dB recording, JEITA |
| Distortion factor | 1.8% (reference recording level 250nWb/m, 315 Hz sine wave, with TypeII cassette, JEITA) |
| Signal-to-noise ratio | Dolby NR off : 57 dB (peak level, JEITA) Dolby C on : 73 dB (peak level) |
| Power supply voltage | 100 VAC, 50Hz/60Hz |
| Power consumption | 16W |
| External dimensions | Width 430x Height 125x Depth 295 mm |
| Weight | 4.8kg |
| Attachment | Wireless Remote Control RM-J510 |
Design
The TC RX1000T switches tape speed between standard 4.8cm/s and half-speed 2.4cm/s. Auto-calibration adjusts bias and level settings for each tape during recording. The playback speed control adjusts continuously from 0% to +100% (2x speed). Sound autofocus sets the best recording level for each tape type, under microcomputer control.
Context
It was developed exclusively for volunteers, to produce sound recording books, including distribution through Braille libraries nationwide. The request came from the National Council of Braille Libraries.
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