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manual abstract
We trust you will continue to enjoy the value and quality of your AudioSource AMP Three for many years to come. To ensure the best performance from your unit, please take a few moments to read this manual. Also, be sure to retain this document for future reference. Note: If any part of this product is damaged or missing, do not contact your AudioSource dealer. Please call us directly at 800-435-7115. Using the Controls Power This front panel button will manually switch the AMP Three on or off. A multicolored LED indicates its power status. To use the Auto On feature, leave this front panel switch in the on position. Speaker Selector The AMP Three has two pairs of speaker outputs. Press button A to activate the A outputs. Press button B to activate the B outputs. Both A and B outputs may be used simultaneously, provided the combined impedance does not fall below 2 ohms. Note: Before pressing either of the speaker selector buttons, be sure that the level controls are set at the minimum position. Input Level Controls These knobs adjust the incoming signal level and thereby act as volume controls. We recommend that these be set to max and your signal source (receiver, CD player, preamplifier, etc.) be used to adjust the volume. © 1999 AudioSource, Inc. FUSE FUSE 8A LINE OUT THRU LINE IN LEFTRIGHT BRIDGING BRIDGING SPEAKER A SPEAKER B RIGHT LEFT (+) (–) ON (MONO) OFF (STEREO) MODEL AMP THREE -+ -+ -+ -+ MANUAL/AUTO POWER 1 2 4 3 5 1 2 4 3 5 Using the Controls (cont.) 1 Manual/Auto Power Switch (Rear Panel) In the Auto mode, the AMP Three will turn on automatically when an input signal is sensed. In the absence of an input signal, the AMP Three will shut down automatically. (In the Auto mode, the front panel power switch should always remain in the on position.) In the Manual mode, use the front panel power switch to activate the AMP Three. Hooking up the Wires Audio signals travel out of one component and into another. All of your connections should also go from out to in. 2 Line In If you are connecting a pre-amp to the AMP Three, connect the line out jacks from your signal source to the line in jacks on the AMP Three. 3 Bridging Switch (refer to wiring diagram) In addition to providing 150 watts RMS per channel in the stereo mode, your AMP Three can be used as a high power mono amplifier, providing 400 watts RMS. This can be accomplished by toggling the bridging switch from the stereo position to the mono position. For mono applications, use only the right channel input. Similarly, use only the right channel input level control. Note: Be sure to observe the correct speaker connections for bridged applications. Because of the high power output in this mode, we recommend initially setting the right level control at "min", and then adjusting the volume to the desired level. 4 Line Out/Thru Connect the line out jacks from your signal source (receiver, CD player, preamplifier, etc.) to the line in jacks on the AMP Three. 5 Speaker Terminals More than one pair of speakers can be used with the AMP Three. We have provided two pairs of speaker outputs, labeled Speaker A (left & right), and Speaker B (left & right). The speaker terminals are color coded. Red posts indicate positive (+) terminals and black posts indicate negative (–) terminals. Be sure to connect the positive output terminals of your AMP Three to the positive input terminals of your speakers and the negative output terminals of your AMP Three to the negative input terminals of your speakers. Note: Refer to the wiring diagrams on the next page for proper connection of speaker cables. Stereo Setup In this configuration, the bridging switch is off for stereo operation. Connect the line out jacks from a stereo signal source to the line in jacks of your AMP Three. Next, connect your speakers to the terminals marked Speaker A (observing proper polarity: red for "+", and black for "-"). Connect a second pair of speakers to the terminals marked Speaker B. Select between the A and/or B speakers using the front panel speaker selector buttons. FUSE FUSE 8A LINE OUT THRU LINE IN LEFTRIGHT BRIDGING BRIDGING SPEAKER A SPEAKER B RIGHT LEFT (+) (–) ON (MONO) OFF (STEREO) -+ Right Speaker MODEL AMP THREE -+ -+ -+ -+ -+ Left Speaker MANUAL/AUTO POWER Mono Setup In this configuration, the bridging switch is on. Connect the line out from a signal source to the right line in of your AMP Three. Connect your mono speaker to the terminals of your AMP Three, following the example in the diagram opposite. Use the right level control on the front panel to adjust the volume. FUSE FUSE 8A LINE OUT THRU LINE IN LEFTRIGHT BRIDGING BRIDGING SPEAKER A SPEAKER B RIGHT LEFT (+) (–) ON (MONO) OFF (STEREO) -+ Mono Speaker MODEL AMP THREE -+ -+ -+ -+ MANUAL/AUTO POWER AMP Three Specifications Amplifier Power Output . . . . . . . .150 watts per channel Headroom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2dB 400 watts monobridged Functions . . . . . . . . . . . . . . Mono...