V3000 plus rear panel – American Audio Vplus Series User Manual

Page 8

V3000plus REAR PANEL

1. Cooling Fan - Dual speed cooling fans. 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.
2. Channel 2 Subwoofer Mode On/Off Switch - This switch activates
the amplifier subwoofer mode for channel two.
3. Channel 2 Frequency Adjustment. - This pot is used to adjust the
frequency response when running channel two in subwoofer mode.
4. Channel 2 Input - Connect the input source for channel two to either
the balance XLR or the balanced/unbalanced 1/4” input jacks. See page
9 for more details on input configuration.
5. 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.
6. Channel 1 Input - Connect the input source for channel one to either
the balance XLR or the balanced/unbalanced 1/4” input jacks. See page
9 for more details on input configuration.
7. Channel 1 Frequency Adjustment.- This pot is used to adjust the
frequency response when running channel two in subwoofer mode.
8. Mono-Bridge/Stereo Selectable Switch - This switch changes the
amplifier operating mode from either stereo or mono bridge. Amplifiers
are shipped in stereo mode.

9. Fuse Holder - This holder houses the external fuse. Always replace
with the exact same type fuse unless otherwise instructed by an autho-
rized American Audio

technician.

10. 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.
11. 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.
12. Channel 2 Output Jack/5 way Binding Post - Connect to your
speaker’s input jack. Red is positive signal and Black is negative signal.
13. Channel 1 Output Jack/5 way Binding Post - Connect to your
speaker’s input jack. Red is positive signal and Black is negative signal.
14. 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.
15. Channel 1 Subwoofer Mode On/Off Switch - This switch activates
the amplifier subwoofer mode for channel one.
16. A/C Power Input - Plug this cable in to a standard 110~120v wall
outlet. Be sure that supplied voltage matches that of the required volt-
age of you amplifier. 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.

Diagram 4

1
2

3
4

American Audio

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