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AUDIO ELECTRONICS Hercules Owner's Manual

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OWNER'S
MANUAL
Hercules

Power Amplifier

NOTE: Before installing your new component, please read this manual
carefully as it will inform you of the product specifications, proper
installation and correct operating procedures for your unit. Also included
in this manual are guidelines on how to service and care for your new
Audio Electronics product.

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Summary of Contents for AUDIO ELECTRONICS Hercules

  • Page 1: Power Amplifier

    NOTE: Before installing your new component, please read this manual carefully as it will inform you of the product specifications, proper installation and correct operating procedures for your unit. Also included in this manual are guidelines on how to service and care for your new Audio Electronics product.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS Important Safety Instructions ......................2 Welcome Thank You ............................4 Specifications Basic Specifications..........................5 Features Product Features ..........................6 Controls and Displays Front Panel ............................7 Rear Panel ............................8 Installation Unpacking ............................9 Warranty Card ............................9 Placement ............................10 Operation Turn on Sequence ..........................11 Turn off Sequence ..........................

  • Page 3: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS WARNING: The triangle with the lightning flash symbol displayed on the unit advises the user of dangerous un- insulated voltage inside the product’s enclosure. CAUTION: To reduce the risk of electric shock, do not remove the cover. There are no user-serviceable parts inside;...
  • Page 4 IMPORTANT SAFETY INSTRUCTIONS 17. IMPORTANT SAFETY NOTE:  Before connecting a new product such as the Cinema 12 to your audio or home theater system, turn off all other equipment (preferably unplugging them from the AC power source). Many audio components feature automatic turn-on circuits that may activate during an installation, potentially causing damage to electronic components and/or speakers.

  • Page 5: Welcome

    WELCOME THANK YOU Thank you for purchasing the new Hercules power amplifier from Audio Electronics by Cary Audio! Cary Audio has a long history of providing the high-end community true audiophile sound quality with its award winning line of tube and solid state amplification and digital products for audio and cinema systems.

  • Page 6: Specifications

    SPECIFICATIONS The following section describes the Hercules amplifier’s basic specifications. The specifications are subject to change without notice or obligation. BASIC SPECIFICATIONS ..............................Input Impedance 150K ohms ..............................Gain 26dB ..............................Frequency Response 15Hz – 20KHz ..............................Power Output 30 watts ultra-linear ..............................

  • Page 7: Product Features

    PRODUCT FEATURES The Hercules power amplifier is an ultra linear tube amplifier using EL34 output tubes to produce 30 watts per channel. Boasting premium components, it features a very simple signal path to provide sonic purity and long-term reliability. The Hercules uses a specially built power supply combined with custom output transformers to allow the amplifier to be heavily biased into Class-A while providing excellent bass and transient response.

  • Page 8: Front Panel

    CONTROLS AND DISPLAYS FRONT PANEL POWER  Press once to turn the power ON. The power indicator will blink for twenty (20) seconds and then stay on, at which point the unit is ready to operate.  Press again to turn the power OFF.

  • Page 9: Rear Panel

    CONTROLS AND DISPLAYS REAR PANEL INPUT  Left Input (top)  Right Input (bottom) FUSE  Tube Fuse Right (1/4 amp) OUTPUT  Positive Right Output OUTPUT  Negative Right Output OUTPUT  Positive Left Output OUTPUT  Negative Left Output FUSE ...

  • Page 10: Installation

    Electronics or an authorized Audio Electronics dealer, please fill out the enclosed warranty registration card and return it to Audio Electronics within 15 days of your purchase. Audio Electronics also suggests that you keep your original packing cartons in case you ever need to ship the unit.

  • Page 11: Placement

    In general, the location of your new Hercules amplifier is not critical. Certain precautions must be taken to ensure optimum performance. Avoid extremely hot locations such as near radiator or other heating units. Keep the top of the Hercules clear of books, paper or other equipment to protect against overheating.

  • Page 12: Operation

    TURN OFF SEQUENCE Make sure the volume on the preamplifier is turned all the way down. Turn off the Hercules power amplifier and wait for a few seconds. Then, turn off the preamplifier and connected sources.

  • Page 13: Service And Care

    SERVICE AND CARE CARE AND CLEANING The cabinet housing and front panel of the Hercules may be cleaned with a soft cloth and Windex or a window cleaner. The frequency of cleaning will be governed by how many hours the Hercules is operated and by operating environment cleanliness.

  • Page 14: Troubleshooting Guide

    TROUBLESHOOTING GUIDE SYMPTOM CAUSE REMEDY Hum or "Buzzing" through Ground Loop Install 2-pin adapter on AC speakers cord to float the Ground Intermittent or poor connection Replace interconnect of interconnect ground "Popping or Spitting" noise Noisy tube If noise is in one channel through the speaker, swap one section of tubes at a time until the noise swaps channels.

  • Page 15: Diagrams

    Make sure the unit is powered off before inserting the tubes. The Hercules amplifier is a cathode bias design. Cathode bias is an automatic way of setting the bias without resorting to complex bias circuitry and removes the need to re-bias the amplifier when replacing output tubes.

  • Page 16: Limited Warranty

    Improper installation, removal or maintenance, or failure to follow instructions supplied with the product. c. Repair or attempted repair by anyone not authorized by Audio Electronics to repair the product. d. Any shipment of the product (claims must be presented to the carrier).
  • Page 17 How Can You Get Service? In the event that the owner needs to return the unit to Audio Electronics for service or repair of a possible defect, he must follow the following steps: 1.
  • Page 18 International Purchasers (Export Markets) Audio Electronics warrants its merchandise to purchasers within the United States exclusively for use within the United States. It provides no other warranties, expressed or implied. If you are living outside of the United States, please consult your local dealer or distributor to determine the...
  • Page 19 AUDIO ELECTRONICS 1020 Goodworth Drive, Apex, NC 27539 phone 919-355-0010 fax 919-355-0013 www.aebycary.com...

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