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SHARP RT-3151 COMPUTER CONTROLLED CASSETTE DECK
A rare and advanced Cassette deck from Sharp dating back to the late 1970s/early 1980s. In good used condition with minor age related marks, it is available here without a reserve.
Powers on and plays but chews tapes and then stops – fast forward and rewind work.
Complete with original instructions and wiring diagram.
Description from Peter Vis;
“The RT-3151 (also known as RT-3388A, and RT-3151E) was a stereo cassette deck manufactured by the Sharp Corporation of Japan. Coined “Electronic Tape Processor”, it hadAutomatic Program Locate Device(APLD) that detected the silent gaps between recordings.
The microprocessor module was essentially just a quartz clock with timer facility and liquid crystal display. This allowed the tape deck to switch ON automatically at a programmed time to play or record. One nice feature was the full auto-stop transport mechanism, which came to a stop on rewind and fast-forward modes as well.
This tape deck was one of the earliest with a hall sensor (A), which detected the change in magnetic field as a circular magnet (B) rotates. This provided additional safety for the tape because the computer system would bring the unit to a complete STOP if the tape-winding spindle stopped.”
Specifications
Type: 2-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Tape Speed: 4.8 cm/s
Heads: 1 x record/playback, 1 x erase
Tape Type: type I, FeCr, CrO2
Noise Reduction: B
Frequency Response: 30Hz to 16kHz(FeCr tape)
Signal to Noise Ratio: 65dB(dolby B)
Wow and Flutter: 0.06%
Input: 50mV (line), 0.2mV (mic)
Output: 0.775V (line)
Semiconductors: 1 x LSI, 5 x IC, 51 x transistors, 29 x diodes, 2 x LED
Dimensions: 442 x 144 x 357mm
Weight: 9kg
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Category: Sound and Vision:Home Audio and HiFi Separates:Cassette/Tape Players
Location: Hove