Instruction Manual

darTZeel NHB-108 model one Owner's Manual Page 3 of 17
Table of contents
1. Introduction....................................................................................................................... 5
2. Brief description................................................................................................................ 5
3. Who am I? ......................................................................................................................... 7
4. Connecting and setup ........................................................................................................ 7
4.1. Location....................................................................................................................... 7
4.2. Speaker impedance...................................................................................................... 7
4.3. Choice of the input...................................................................................................... 8
4.4. Powering ON............................................................................................................... 8
5. Using the darTZeel .......................................................................................................... 8
5.1 Power cycle .................................................................................................................8
5.2. darTZeel's Eyes.......................................................................................................... 9
5.3. User parameters........................................................................................................... 9
6. Maintenance .................................................................................................................... 10
6.1. Fuse(s) replacement................................................................................................... 10
6.2. DC voltage drift......................................................................................................... 12
6.3. Cleaning and upkeep................................................................................................. 12
7. Some advice and tips....................................................................................................... 12
7.1. What not to do...........................................................................................................12
7.2. Troubleshooting ........................................................................................................13
7.2.1. Eyes Closed................................................................................................ 13
7.2.2. Amplifier ON, no sound............................................................................. 13
7.2.3. Warped sound............................................................................................. 13
7.2.4. Sensitive fuses............................................................................................ 13
7.2.5. Sound too quiet........................................................................................... 13
7.2.6. Sound too loud ...........................................................................................14
7.2.7. Blinking Eyes ............................................................................................. 14
7.2.8. Melting Fuse(s) at power ON..................................................................... 14
7.2.9. RAS ............................................................................................................ 15
8. Version B......................................................................................................................... 15
8.1. XLR floating inputs................................................................................................... 15
8.2. DC output voltage drift .............................................................................................15
8.3. Version A versus B ................................................................................................... 15
9. Conditions of warranty.................................................................................................... 16
9.1. Breakdowns or faulty parts .......................................................................................16
9.2. Conditions of use....................................................................................................... 16
10. Assistance........................................................................................................................ 16
11. Technical data ................................................................................................................. 17