| 1. | Working with Mullin, Ampex rapidly developed two-track stereo and then three-track recorders.
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| 2. | The first software-based digital multi-track recorder, called Deck, was released in 1990.
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| 3. | In 1979 Ampex introduced their most advanced 24-track recorder, the model ATR-124.
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| 4. | The recorder has a double recording head, similar to a two-track recorder.
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| 5. | Previous albums were either partially or completely recorded on a Portastudio 4-track recorder.
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| 6. | By the late 1970s, 3M introduced the first digital multi-track recorder.
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| 7. | The majority of the tracks were recorded using a three-track recorder.
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| 8. | By late 1968 or early 1969 Decca had obtained its own 8-track recorder.
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| 9. | At this point, Brown could use his 4-track recorder and his then-innovative synthesizer.
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| 10. | "Do Anything " was written and recorded on a 4-track recorder in Minnesota.
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