Summary of GXD 4
Page 1
Gxd amplifier user manual gxd 4 gxd 8 td-000450-01-a *td-000450-01*.
Page 2: Explanation of Symbols
2 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a explanation of symbols the term “warning!” indicates instructions regarding personal safety. If the instructions are not followed the result may be bodily injury or death. The term “caution!” indicates instructions regarding possible ...
Page 3: Fcc Statement
3 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a maintenance and repair arningg!: advanced technology, e.G., the use of modern materials and powerful electronics, requires specially adapted maintenance and repair methods. To avoid a danger of subsequent damage to the apparatus, inju...
Page 4: Introduction
4 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a introduction the gxd class-d amplifiers have been engineered for high performance output and optimized for maximum real-world headroom into 4Ω and 8Ω loudspeaker systems. The power levels of the gxd amplifiers are matched to the most ...
Page 5: Features
5 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a features amplifier front panel — figure 1 — 1 2 3 4 5 10 11 12 6 7 8 9 1. Air vents 2. Power button 3. Channel a signal present (green) 4. Channel a gain 5. Channel a clip (red) 6. Home button 7. Enter button 8. Exit button 9. Lcd scr...
Page 6: Connections
6 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a connections inputs (channels 1 & 2) see figure 4 input impedance: 20k ohms balanced, 10k ohms unbalanced see table 1 for wiring. 1. Xlr female 2. ¼" female trs phone jack 3. Usb standard b connector - used for updating the amplifier f...
Page 7: Gxd Signal Flow
7 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a controls see figure 8 1. Channel a clip indicator – illuminates red when the input is high enough to cause the channel to clip. 2. Channel a sig (signal) present indicator – illuminates green when there is a signal applied to the inpu...
Page 8
8 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a navigation key turn knob b (or a) select / press adjust b home screen see figure 11 from any screen home 1. Asterisk (*) indicating an unsaved change to the preset 2. Currently active preset location (p1) and name 3. Output channel le...
Page 9
9 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a preset recall recall a preset to configure the amplifier to meet the requirements of your loudspeakers and installation. There are 20 presets. See figure 18 1. From home enter 2. B preset, enter 3. B preset recall, enter 4. B the pres...
Page 10
10 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a crossover and polarity see figure 25 through figure 27. 1. From home enter 2. B stereo dsp, enter 3. B crossover, enter 4. B hpf, enter 5. B frequency (bypass, 20 hz to 4 khz), enter 6. B lpf, enter 7. B frequency (bypass, 60 hz to 4...
Page 11: Utilities
11 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a utilities status see figure 34 1. From home, enter 2. B utilities, enter 3. B status enter a. Amp total run time - hours (hh:mm:ss) b. Hardware - the version of the hardware unit c. Firmware - the version of the firmware installed on...
Page 12: Preset Defaults
12 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a preset defaults the following settings apply to all factory presets. Sensitivity!: 1.2v (+4dbu) crossover!: polarity + eq band 1!: gain 0.0 db, frequency 100 hz, bandwidth 1.0 oct eq band 2!: gain 0.0 db, frequency 500 hz, bandwidth ...
Page 13: Specifications
13 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a specifications gxd 4 gxd 8 stereo mode - watts per channel 8Ω dynamic, both channels driven 4Ω dynamic, both channels driven 8Ω continuous, both channels driven 4Ω continuous, both channels driven 600 watts 800 watts 400 watts 600 wa...
Page 14
14 (draft 2015/20/07) sp sp fr fr de de ch ch ar ar td-000450-01-a mailing address: qsc audio products, llc 1675 macarthur boulevard costa mesa, ca 92626-1468 usa telephone numbers: main number: (714) 754-6175 sales & marketing: (714) 957-7100 or toll free (usa only) (800) 854-4079 customer service:...