1.5 Two-Channel Bridgeable Amplifier
Owner’s Manual
Staple or clip your original invoice here. ¤
Signature 1.5 Two-Channel
Bridgeable Amplifier
Owner’s Manual
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Unpacking and Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Front Panel Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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.
The lightning flash with arrowhead |
The exclamation point within an |
symbol, within an equilateral triangle, is |
equilateral triangle is intended to |
intended to alert the user to the |
alert the user to the presence of |
presence of uninsulated “dangerous voltage” |
important operating and maintenance |
within the product’s enclosure that may be of |
(servicing) instructions in the literature |
sufficient magnitude to constitute a risk of |
accompanying the appliance. |
electric shock to persons. |
|
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH WIDE
BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
ATTENTION: POUR EVITER LES CHOCS ELECTRIQUES, INRODUIRE LA
LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE
LA PRISE ET POUSSER JUSQU'AU FOND.
80 Crossways Park West
Woodbury, NY 11797
www.harmankardon.com
©1997 Harman Kardon, Incorporated
Signature 1.5
Congratulations! As the owner of a Harman Kardon Signature Series 1.5 Power Amplifier, you have at your command a unique product. The 1.5 has been carefully designed to deliver the best possible sonic performance, along with outstanding industrial design, that matches other Harman Kardon Signature Series products and complements any interior design.
In order to fully enjoy the performance of your amplifier, please take a few minutes to read this owner’s manual. It contains important information that will help you to make certain that the amplifier is properly connected to the rest of the equipment in your system.
If you have any questions about this product or its installation and operation, please contact your retailer or custom installer. They are your best sources of product information.
You may also contact Harman Kardon via the World Wide Web at www.harmankardon.com
Welcome to the Harman Kardon family. We wish you many years of listening pleasure!
Description and Features
The Signature Series 1.5 is a flexible, state-of-the-art audio power amplifier designed to deliver high performance for use in home theater or music reproduction applications. The following are among its many features:
■Designed and manufactured in the United States
■High-current output capability
■Two channels with bridgeable outputs
■Ultrawide bandwidth design
■Low negative feedback
■Low harmonic and intermodulation distortion
■Massive heat sinks for quiet convection cooling
■High-current power supply
■Remote turn-on/turn-off circuitry with select Signature Series and Harman Kardon products or through optional accessories
1.5
On/Off
Introduction
1
Safety Information
Signature 1.5
Important Safety Information
Verify Line Voltage Before Use
Your new Signature Series 1.5 amplifier has been factoryconfigured for use with 120-volt AC line current. Connecting the amplifier to a line voltage other than that for which it is intended can create a safety and fire hazard, and may damage the amplifier.
If you have any questions about the voltage requirements for your specific model, or about the line voltage in your area, contact your selling dealer before plugging the unit into a wall outlet.
Verify AC Circuit Capacity Before Use
High-power output of your amplifier may require heavy current draw under full-load conditions. To ensure proper performance and avoid potential safety hazards, we recommend that it be connected to a circuit with 20-amp capacity. Connecting multiple amplifiers to the same circuit, or connecting the amplifier to a circuit used by other heavy-power devices, such as high-wattage lights, may cause circuit breakers to trip. It is always a good idea to avoid using any audio equipment on the same AC circuit as equipment with motors, such as air conditioners or refrigerators. This will lessen the possibility of power variation and electrical start-up noise affecting your sound system.
Do Not Use Extension Cords
To avoid safety hazards, use only the power cord supplied with your unit. If a replacement cord is used, make certain that it is of a similar gauge. We do not recommend using extension cords with this product. As with all electrical devices, do not run power cords under rugs or carpets or place heavy objects on power cords. Damaged power cords should be replaced immediately with cords meeting factory specifications.
Handle the AC Power Cord Gently
When disconnecting the power cord from an AC outlet, always pull the plug, never pull the cord. If you do not intend to use the amplifier for a considerable length of time, disconnect the plug from the AC outlet.
Do Not Open the Cabinet
There are no user-serviceable components inside this product. Opening the cabinet may present a shock hazard, and any modification to the product will void your guarantee. If water enters the unit, or any metal object such as a paper clip, wire or staple accidentally falls inside the cabinet, disconnect the unit from the AC power source immediately and consult an authorized warranty station.
Installation Location
■To ensure sufficient ventilation and safe operating temperatures on the outside of the unit’s enclosure, we recommend that the unit be installed in an openbacked shelf. It should be placed at least 2˝from any wall, with a 4˝clearance above the top cover, 1 5⁄8˝ clearance on each side and 2˝clearance from the back of the shelf.
■To ensure proper operation and to avoid the potential for safety hazards, place the unit on a firm and level surface. When placing the unit on a shelf, be certain that the shelf and any mounting hardware can support the amplifier’s weight.
■Make certain that proper space is provided both above and below the unit for ventilation. If the amplifier will be installed in a cabinet or other enclosed area, make certain that there is sufficient air movement within the cabinet. Consult with your dealer or installer for more information.
■Do not place the unit directly on a carpeted surface.
■Avoid installation in extremely hot or cold locations, in an area that is exposed to direct sunlight or near heating equipment.
■Avoid moist or humid locations.
■Do not obstruct the ventilation slots on the top of the unit or place objects directly over them. Remember, power amplifiers generate heat, and the heat sink fins and ventilation slots that form part of the cabinet are specially designed to remove this heat. Placing other electronic equipment near these heat-dissipation systems may possibly affect the long-term reliability of both your amplifier and the objects placed above it.
2
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