User manual AMERICAN AUDIO VPLUS MASTER

[. . . ] Professional Power Amplifiers AMERICAN AUDIO® 4295 Charter Street Los Angeles Ca. 90058 Revised 12/03 User Instructions This symbol is intended to alert the user to the presence of non insulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. This symbol is intended to alert the user of the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. WARNING: To prevent electrical shock or fire hazard, do not expose this amplifier to rain or moisture. [. . . ] Ground Lift Switch This switch is used to disconnect the internal ground signal from the amplifier chassis ground. This may reduce the buzz that is caused from an electrical 60Hz cycle. A/C Power Input Plug this cable in to a standard 110~120v wall outlet. Never plug your amplifier in to a wall outlet that does not match the required voltage of your amplifier, serious damage may occur to your unit. American Audio® - www. americandj. com - Vplus Series Amplifiers Power Amplifier User Manual Page 7 V3000plus REAR PANEL 1 2 3 4 5 6 7 8 9 1 1 2 3 4 Diagram 4 10 11 12 13 14 15 16 1. This fans are used to cool the internal parts of the amplifier when in use. Never block the fan grills in any way or mount in an enclose rack, doing so may cause the amplifier to overheat and fail. Channel 2 Subwoofer Mode On/Off Switch - This switch activates the amplifier subwoofer mode for channel two. - This pot is used to adjust the frequency response when running channel two in subwoofer mode. Channel 2 Input - Connect the input source for channel two to either the balance XLR or the balanced/unbalanced 1/4" input jacks. Low Cut Filter Mode Switches - These dip switches are used to activate and adjust the built-in Low Cut Filter, see "Low Cut Filter" on page 14. Channel 1 Input - Connect the input source for channel one to either the balance XLR or the balanced/unbalanced 1/4" input jacks. Channel 1 Frequency Adjustment. - This pot is used to adjust the frequency response when running channel two in subwoofer mode. Mono-Bridge/Stereo Selectable Switch - This switch changes the amplifier operating mode from either stereo or mono bridge. Always replace with the exact same type fuse unless otherwise instructed by an authorized American Audio® technician. Channel 2 XLR THRU Jack - This jack is used to send a parallel signal from the channel two input jacks to another device or amplifier. Channel 1 XLR THRU Jack - This jack is used to send a parallel signal from the channel one input jacks to another device or amplifier. Channel 2 Output Jack/5 way Binding Post - Connect to your speaker's input jack. Channel 1 Output Jack/5 way Binding Post - Connect to your speaker's input jack. Ground Lift Switch - This switch is used to disconnect the internal ground signal from the amplifier chassis ground. This may reduce the buzz that is caused from an electrical 60Hz cycle. Channel 1 Subwoofer Mode On/Off Switch - This switch activates the amplifier subwoofer mode for channel one. A/C Power Input - Plug this cable in to a standard 110~120v wall outlet. [. . . ] An ultrasonic network uncouples RF from the output and helps keep the amplifier stable with reactive loads. Operating Voltage (AC Mains) - The serial number label indicates the correct AC main voltage. Connecting to the wrong voltage is dangerous and may damage the amplifier. Always be sure the source voltage for your areas matches the required voltage for your amplifier. [. . . ]