User manual AMERICAN AUDIO GX-300

[. . . ] Connect the amplifier to a power outlet with a matching power supply. 6. Be sure both Channel A and Channel B volume controls are turned all the way down (full counter-clockwise), and turn on main power. 7. Turn the mixer or other audio components up and adjust the amplifier levels. The green signal LED's on the face of the unit will indicate signal is being received. GX-300TM Power Amplifier Instructions page 2 CAUTION Do not open Risk of electric shock CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. [. . . ] When a cart is used, use caution when moving the cart/unit combination to avoid injury from tip-overs. Customer Support: For assistance beyond that which is cover in this manual, American Audio® provides a toll free customer support line, to provide additional set up help and to answer any question should you encounter problems during your set up or initial operation. For service related issue please contact American Audio® Technical Support Team. Voice: (800) 322-6337 Fax: (323) 582-2610 E-mail: support@americandj. com You may also visit us on the web at www. americandj. com for any comments or suggestions. GX-300TM Power Amplifier Instructions page 4 FRONT PANEL Diagram 1 Power ON American AudioTM GX-300 Professional Stereo Amplifier Power Ch A Bridge Stereo Clip Signal Ch B Clip Signal Min Max Min Max 1 2 3 4 56 7 8 9 10 1. POWER BUTTON This is used to activate the amplifier's main power. POWER LED This green LED will glow when the amplifier is turned on, indicating main power is traveling through the unit. BRIDGE LED This green LED will glow when the amplifier is in Mono-Bridge mode. STEREO LED This green LED will glow when the amplifier is in Stereo mode. CHANNEL A CLIP INDICATOR This red LED will glow begin to flash at the amplifiers clipping point, the point when the output signal begins to distort. Under heavy clipping lower the input gains (Diagram 8) to reduce the risk of damage to your speakers and amplifier. This LED will also glow constantly when channel A goes in to protect mode. In protect mode the output signal to the speakers will terminated. 6. CHANNEL A SIGNAL INDICATOR This Green LED will glow when there is an input signal present. 7. CHANNEL A GAIN CONTROL This knob adjust the channel one volume output to the speakers connect to channel one. 8. CHANNEL B CLIP INDICATOR This LED comes on at the amplifiers clipping point, the point when the output signal begins to distort. Under heavy clipping lower the input gains (Diagram 10) to reduce the risk of damage to your speakers and amplifier. This LED will also glow constantly when channel B goes in to protect mode. In protect mode the output signal to the speakers will terminated. 9. CHANNEL B SIGNAL INDICATOR This Green LED will glow when there is an input signal present. 10. CHANNEL B GAIN CONTROL This knob adjust the channel one volume output to the speakers connect to channel one. GX-300TM Power Amplifier Instructions page 5 REAR PANEL Diagram 2 11 12 13 14 15 16 17 18 19 20 21 22 23 11. Channel B XLR Input Connect a mixer's balanced channel "B" or channel two output signal to this balanced XLR input jack. Channel A XLR Input Connect a mixer's balanced channel "A" or channel one output signal to this balanced XLR input jack. Channel B 1/4" Input This jack is a balanced or unbalanced 1/4" phono plug input jack. [. . . ] An ultrasonic network uncouples RF from the output and helps keep the amplifier stable with reactive loads. RESET BREAKER This is a 5 amp breaker, that will clip when ever the unit exceeds the maximum of power drawl. If this breaker clips in to protect mode continuously, stop using the amplifier immediately and contact customer support, the unit my need to be serviced. GX-300TM Power Amplifier Instructions page 11 SPECIFICATIONS MODEL NO: Output Power: 2 ohms, 1 khz 1% THD 4 ohms, 1khz, 1%THD 8 ohms, 1khz 1% THD (Bridge Mode, mono) 4 ohms, 1khz, 1% THD 8 ohms, 1khz, 1% THD N/A N/A 150W RMS PER CH. 1050 WATTS RMS 820 WATTS RMS Less than 0. 1% V-3000 800W RMS PER CH. 1500 WATTS RMS 1100 WATTS RMS Less than 0. 1% V-4000 1400W RMS PER CH. [. . . ]