User manual

miniDSP Ltd, Hong Kong / www.minidsp.com / Features and speci fications subject to change wi thout pri or noti ce 4
4.2.1 The Auto Target...................................................................................................................... 30
4.2.2 Editing the target curve........................................................................................................... 30
4.2.3 Guidelines for target curve design ........................................................................................... 31
4.2.4 Saving and loading target curves ............................................................................................. 32
4.3 Generating correction filters........................................................................................................... 33
4.4 Downloading and managing filter sets............................................................................................. 34
5 Using the DDRC-88A audio processor....................................................................................................... 35
5.1 Configuring source equipment........................................................................................................ 35
5.1.1 Level trims ............................................................................................................................. 35
5.1.2 Subwoofer channel gain.......................................................................................................... 35
5.1.3 Bass management .................................................................................................................. 35
5.1.4 Delays/speaker distance ......................................................................................................... 35
5.1.5 Room correction and EQ ......................................................................................................... 35
5.1.6 Other processing .................................................................................................................... 36
5.2 Front panel.................................................................................................................................... 36
5.2.1 Status indicators ..................................................................................................................... 36
5.2.2 Front panel controls ............................................................................................................... 36
5.3 Infrared remote control ................................................................................................................. 37
6 Gain structure ........................................................................................................................................ 38
6.1 Gain structure overview ................................................................................................................. 38
6.2 Choosing gain structure settings ..................................................................................................... 39
6.2.1 To change input sensitivity ...................................................................................................... 41
6.2.2 To change output gain ............................................................................................................ 41
6.3 Optimizing gain structure ............................................................................................................... 42
6.3.1 Procedure for optimizing output gain ...................................................................................... 42
6.3.2 To increase output gain........................................................................................................... 43
6.3.3 To reduce output gain............................................................................................................. 43
6.4 LFE alignment gain ......................................................................................................................... 44
6.4.1 The LFE channel and the DDRC-88A ......................................................................................... 44
6.4.2 LFE effect on gain structure ..................................................................................................... 45
6.4.3 LFE gain structure problems .................................................................................................... 46
6.4.4 Bass management and LFE alignment gain ............................................................................... 46
7 Additional Information............................................................................................................................ 47
7.1 The DDRC-88 Utility program.......................................................................................................... 47
7.2 Balanced wiring tips ....................................................................................................................... 48
7.2.1 Phoenix terminal blocks .......................................................................................................... 48
7.2.2 XLR adapters .......................................................................................................................... 48
7.2.3 RCA adapters.......................................................................................................................... 48
7.3 Specifications ................................................................................................................................ 49
7.4 Troubleshooting ............................................................................................................................ 50
7.5 MCU Firmware update ................................................................................................................... 51
7.6 Obtaining support .......................................................................................................................... 52