Power Amplifier Instruction Manual En
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
Precautions 1. Recording Copyright—Unless it’s for personal use only, recording copyrighted material is illegal without the permission of the copyright holder. 2. AC Fuse—The AC fuse inside the unit is not userserviceable. If you cannot turn on the unit, contact the dealer from whom you purchased this unit. 3. Care—Occasionally you should dust the unit all over with a soft cloth. For stubborn stains, use a soft cloth dampened with a weak solution of mild detergent and water.
Supplied Accessories Installing the Power Amplifier Power cord Ensure proper ventilation. Approx. 8 in. (20 cm) Approx. 8 in. (20 cm) Approx. 4 in. (10 cm) Power cord (5.9 ft/1.8 m) . . . . . . . . . . . . . . . . . . . . . . . (1) (Plug type varies from country to country.) * Approx. 8 in. (20 cm) In catalogs and on packaging, the letter at the end of the product name indicates the color. Specifications and operations are the same regardless of color. Features ADM-20.
Getting to Know the Power Amplifier Front Panel a 2 For detailed information, see the pages in parentheses. a 8ON/STANDBY button This button is used to turn the main power on/off. b Power indicator The power indicator will be lit blue when the main power of ADM-20.4 is turned on.
Rear Panel INPUT LEVEL MIN MAX 12V TRIGGER IN TRIGGER 12V OFF AUDIO TRIGGER OUT 1 2 3 a INPUT LEVEL knob Turn this INPUT LEVEL knob to adjust the input level of the signal from the INPUT jacks. Normally, set to MAX. b INPUT/OUTPUT jacks These are the analog audio inputs and outputs. Use an RCA-type audio connection cable to connect the output jacks of the device to the INPUT jacks on the ADM-20.4. When connecting a control amplifier or preamplifier, connect the PRE OUT jacks to the INPUT jacks.
Connections Connections Cable and Jacks Analog audio (RCA) L White R Red Analog audio connections (RCA) carry analog audio. Note • Push plugs in all the way to make good connections (loose connections can cause noise or malfunctions). • To prevent interference, keep audio cables away from power cords and speaker cables. Right! Wrong! Connecting the AV Receiver When connecting the ADM-20.4 to AV Receiver, connect the INPUT jacks of the ADM-20.
Connecting Your Speakers Right Left Speakers ■ Screw-type speaker terminals Strip 1/2" to 5/8" (12 to 15 mm) of insulation from the ends of the speaker cables, and twist the bare wires tightly, as shown. 1/2" to 5/8" (12 to 15 mm) Note • Pay close attention to speaker wiring polarity. In other words, connect positive (+) terminals only to positive (+) terminals, and negative (–) terminals only to negative (–) terminals.
Advanced Operations Custom Setup Setting the TRIGGER Make TRIGGER selector settings if you want to turn the power on and off along with other equipment. Setting the Auto Standby Function When the Auto Standby (ASb) function is activated, the power amplifier will automatically enter Standby mode if there is no operation for 3 hours with no audio signal input. TRIGGER selector 1 Switch the TRIGGER selector on the unit’s rear panel. [12V TRIGGER] The ADM-20.
Others Operations Troubleshooting To listen to music or view your favorite movies, follow the operations below. The procedures given below assume that the other system components are already connected. (For example, that the source components are already connected to the control amplifier or the preamplifier.) The Standby/On indicator does not light when the ON/STANDBY button is pressed. 1 Lower the volume at the control amplifier or preamplifier.
Specifications Rated Output Power (FTC) 75 watts minimum continuous power per channel, 8 ohm loads, 2 channels driven at 1 kHz, with a maximum total harmonic distortion of 0.08 % (FTC) 65 watts minimum continuous power per channel, 4 ohm loads, 2 channels driven at 1 kHz, with a maximum total harmonic distortion of 0.08 % THD+N (Total Harmonic Distortion+N) 0.
Integra Division of 18 park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-818-9200 Fax: 201-785-2650 http://www.integrahometheater.com Integra Division of Sales & Product Planning Div.: 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8163 C1210-1 SN 29401278 (C) Copyright 2012 Onkyo Corporation Japan. All rights reserved.
