Left channel delay time. range: 0.1, Left channel feedback gain. range, Right channel delay time. range: 0.1 ~ 2000.0 msec – Yamaha SPX90 II User Manual
Page 12: Right channel feedback gain. range, High (feedback high).range: 0.1 ~ 1.0, Right channel delay time. range: 0.1 ~ 1000.0 msec, Right channel feedback gain. range: -99% ~ +99, High (feedback high). range: 0.1 ~ 1.0
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                                 Left channel delay time. range: 0.1, Left channel feedback gain. range, Right channel delay time. range: 0.1 ~ 2000.0 msec | Right channel feedback gain. range, High (feedback high).range: 0.1 ~ 1.0, Right channel delay time. range: 0.1 ~ 1000.0 msec, Right channel feedback gain. range: -99% ~ +99, High (feedback high). range: 0.1 ~ 1.0 | Yamaha SPX90 II User Manual | Page 12 / 101
                                            Left channel delay time. range: 0.1, Left channel feedback gain. range, Right channel delay time. range: 0.1 ~ 2000.0 msec | Right channel feedback gain. range, High (feedback high).range: 0.1 ~ 1.0, Right channel delay time. range: 0.1 ~ 1000.0 msec, Right channel feedback gain. range: -99% ~ +99, High (feedback high). range: 0.1 ~ 1.0 | Yamaha SPX90 II User Manual | Page 12 / 101
                                                                            
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