A7200 7 Channel Amplifier 7 CHANNEL AMPLIFIER A7200
Important Safety Instructions Read this before operating your unit. CAUTION This symbol is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. : TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
Important Safety Instructions (cont.) 1. Read Instructions - All the safety and operating instructions should be read before the product is operated. 2. Retain instructions - The safety and operating instructions should be retained for future reference. 3. Heed Warnings - All warnings on the product and in the operating instructions should be adhered to. 4. Follow Instructions - All operating and use instructions should be followed. 5. Cleaning - Unplug this product from the wall outlet before cleaning.
Contents Important Safety Instructions READ THIS BEFORE OPERATING YOUR UNIT ___________________________________________ 1 Important Safety Instructions _____________________________________________________________ 2 System Connections _____________________________________________________ 4 CONNECTING SPEAKERS _____________________________________________________________ 7 SPEAKER PLACEMENT _______________________________________________________________ 8 Front Panel Controls ______________________________
System Connections • Please be certain that this unit is unplugged from the AC outlet before making any connections. • Be sure to observe the color coding when connecting the preamplifier and speakers to this unit. • Make connections firmly and correctly. Poor connections can cause loss of sound, noise or damage to the unit. • For connections between this unit and the Boston Acoustics compatible preamplifier such as AVP7, refer to the AVP7's manual.
4. CHANNEL INPUTS AND SPEAKER TERMINALS INPUT FRONT RIGHT (4-8 ) INPUT INPUT SURROUND BACK RIGHT (4-8 ) SURROUND RIGHT(4-8 ) INPUT CENTER(4-8 ) INPUT SURROUND LEFT(4-8 ) INPUT SURROUND BACK LEFT (4-8 ) INPUT FRONT LEFT(4-8 ) • Be sure to connect speakers firmly and correctly, according to the channel (left and right) and the polarity(+ and -).
CONNECTING SPEAKERS Connection using spade connectors General connection using bare wire 1. Carefully strip about 3/8˝ (10mm) of insulation and twist the wire tip. 1. Loosen the knob and insert the spade connector. 2. Loosen the knob and insert the wire. 2. Tighten the knob to fix the wire in place. 3. Tighten the knob to fix the wire in place. Connection using banana plugs 1. Tighten the knob. 2. Insert the plug fully into the hole on the knob.
SPEAKER PLACEMENT Ideal speaker placement varies depending on the size of your room and the wall coverings, etc. The typical example of speaker placement and recommendations are as follows: 1 3 2 4 5 ■Front left, right speakers, and center speaker • Place the front speakers with their front surfaces as flush with the TV or the monitor screen as possible. • Place the center speaker between the front left and right speakers and no further from the listening position than the front speakers.
FRONT PANEL CONTROLS OPERATIONS j k To enter the standby mode. • The STANDBY button lights up in amber. This means that the unit is connected to an AC outlet and a small amount of current is retained to support operation readiness. • To switch the power off, push the POWER switch again. Then the power is cut off and the STANDBY button goes off. l In the standby mode, turn the power on. The STANDBY button lights up in blue, the unit turns on and enters the operating mode.
TROUBLESHOOTING GUIDE If a problem occurs, run through the table below before sending your unit in for repair. If the fault persists, attempt to solve it by switching the unit off and on again. If this fails to resolve the situation, consult your dealer. Under no circumstances should you repair the unit yourself as this could invalidate the warranty! PROBLEM POSSIBLE CAUSE REMEDY No power • The AC input cord is disconnected. • Poor connection at AC wall outlet or the outlet is inactive.
SPECIFICATIONS ■Amplifier Section Power output, stereo mode, 8Ω, THD 0.05%, 1kHz | 2 x 130W 4Ω, THD 0.05%, 1kHz | 2 x 220W 7-CH mode (full channel driven), 8Ω, THD 0.05 %, 20Hz-20kHz | 7 x 100W 4Ω, THD 0.05 %, 20Hz-20kHz | 7 x 150W 7-CH mode (only channel driven), 8Ω, THD 0.05 %, 20Hz-20kHz | 140 W/CH 4Ω, THD 0.05 %, 20Hz-20kHz | 240 W/CH Total harmonic distortion, 8Ω, -6dB, 1kHz | 0.005 % Intermodulation distortion 60Hz : 7kHz= 4 : 1 SMPTE, 8 Ω, 125W | 0.01% Input sensitivity, 47kΩ | 1.
Boston Acoustics, Inc. 300 Jubilee Drive Peabody, MA 01960 USA www.bostonacoustics.com Boston, Boston Acoustics, and the Boston Acoustics logo are registered trademarks of Boston Acoustics, Inc. © 2005 Boston Acoustics, Inc. All rights reserved.
