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Parasound HALO JC Owner's Manual

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JC 1 Amplifier
Owner's Guide

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Summary of Contents for Parasound HALO JC

  • Page 1 JC 1 Amplifier Owner’s Guide...
  • Page 2 Here at Parasound, we design our products to perform at a higher level of flexibility and sonic performance than you may have expected. We encourage you to read this entire manual to learn all the features and capabilities of your new JC 1 Amplifier.

  • Page 3: Table Of Contents

    UNDERSTANDING THE INDICATORS ON THE JC 1 _________________________________________________________________________________ CONNECTING THE AC POWER CORD _________________________________________________________________________________ MAINTAINING YOUR JC 1 _________________________________________________________________________________ TROUBLESHOOTING GUIDE _________________________________________________________________________________ SERVICING YOUR JC 1 _________________________________________________________________________________ TECHNICALLY SPEAKING _________________________________________________________________________________ PARASOUND JC 1 DESIGN OVERVIEW _________________________________________________________________________________ PARASOUND JC 1 SPECIFICATIONS _________________________________________________________________________________...

  • Page 4: Placement Guidelines For Your Jc

    This measurement standard was developed by the EIA (Electronic Industries Association) so manufacturers of electronic components and equipment racks could build products in standardized heights that would fit in a uniform space. Please call your Parasound dealer or ParasoundTechnical Services if you need additional advice about rack mounting the JC 1.

  • Page 5: Connecting A Stereo Preamplifier Or A Surround

    Repeat steps 1 and 2 above to connect additional JC 1s to other controller channels. & COMPONENTS OUTPUTS SURROUND SOUND CONTROLLER Right Left PREAMP JC1 A mpl if i er Parasound Products. Inc. San Franscisco, CA USA Auto Turn On None Delay Seconds Ground Bias Level Reduced Normal Unbalanced Input...

  • Page 6: Connecting A Stereo Preamplifier Or A Surround

    Repeat steps 1 and 2 above to connect additional amplifiers. & COMPONENTS SURROUND OUTPUTS SOUND CONTROLLER Right Left PREAMP JC1 Amplifier Parasound Products. Inc. San Franscisco, CA USA Auto Turn On None Delay Seconds Ground Bias Level Reduced Normal Unbalanced Input...

  • Page 7: Connecting A Speaker To Your Jc

    Insert the wire without the ridge or other marking into the black -- (negative) terminal on the speaker. Repeat steps 1 and 2 with the other JC 1 speaker terminal to bi-wire your speaker. & JC1 Amplifier Parasound Products. Inc. San Franscisco, CA USA Auto Turn On None Delay...

  • Page 8: Manual And Automatic Turn On-Off Options

    MANUAL AND AUTOMATIC TURN ON-OFF OPTIONS The JC 1 can be turned on and off manually or automatically for your convenience. Using the Front Panel On-Off Button For manual operation, the JC 1 rear panel AutoTurn On switch must be in its Manual (middle) position.

  • Page 9: Connecting An External Dc Source For Automatic Turn On-Off

    CONNECTING AN EXTERNAL DC SOURCE FOR AUTOMATIC TURN ON-OFF If you want to automatically turn on the JC 1 with an external DC voltage, select the DC trigger by moving the AutoTurn On switch on the rear panel left to its 12 VoltTrigger position.

  • Page 10: Connecting The Jc 1 To Trigger Another Component

    CONNECTING THE JC 1 TO TRIGGER ANOTHER COMPONENT Whenever the JC 1 is turned on either manually or automatically, it generates 12 Vdc at its 12 V Trigger Out jack so it can trigger additional JC 1 amplifiers or other components on and off. What You’ll Need: A second wire with a 2.5 mm sub-mini plug on each end (not provided) A component that can be triggered with an external +9 Vdc to +12 Vdc source.
  • Page 11 If your JC 1 is mounted in a cabinet, or ventilation is restricted in any way, we recommend you leave the Bias Level Switch in its position. JC1 Amplifier Parasound Products. Inc. San Franscisco, CA USA Auto Turn On None Delay Seconds...

  • Page 12: Connecting The Ac Power Cord

    Plug the female end of the AC cord to the AC receptacle on the rear of the JC 1. Plug the male end of the AC cord to an AC outlet or power strip. J C 1 A m p l i fi e r Parasound Products. Inc. San Franscisco, CA USA Ground...

  • Page 13: Maintaining Your Jc

    MAINTAINING YOUR PARASOUND JC 1 Your Parasound JC 1 power amplifier requires no periodic maintenance and has no user- serviceable parts inside. To avoid the risk of electric shock, do not remove its top cover. The amplifier’s exterior can easily be cleaned with a soft cloth pre-moistened only with a few drops of water or glass cleaner.

  • Page 14: Troubleshooting Guide

    Install cable isolation device such as the Xantech 634 Ground Breaker. Refer to www.xantech.com Other ground loop Contact Parasound Technical Service Load impedance at speaker terminals Make sure the speaker or speaker JC 1 is overheating selector load is 4 ohms or higher...

  • Page 15: Servicing Your Jc 1

    Procedure for Returning Your JC 1 to Parasound for Service If Parasound determines that you should send your JC 1 to Parasound, you will be given a Return Authorization (RA) number. This RA number must be clearly marked on the outer carton only.

  • Page 16: Technically Speaking

    XLR jacks for the same reasons. All speaker wires.Therefore, we feel that choosing a brand Parasound Halo Series power amplifiers have balanced of cable for Parasound amplifiers is largely a matter of inputs with XLR jacks so you can take full advantage of personal taste.
  • Page 17 Here are three tips to avoid ground loops: 1. Use a balanced input line with your Parasound JC 1. (See Balanced and Unbalanced Lines in this section). 2. When rack mounting, always use the included insulated “shoulder”...

  • Page 18: Parasound Jc 1 Design Overview

    Designed by John Curl and CTC Builders Complementary Configuration Each stage of amplification has transistors fed by Parasound has worked with legendary designer John the positive DC power supply and complementary Curl since 1989. John has been a legend among transistors fed by the negative DC power supply.
  • Page 19 PARASOUND JC 1 DESIGN OVERVIEW continued Class A/AB Operation Total Protection - Relays Pure class A operation provides the purest sound. The JC 1 has a high-quality protection relay with However, an amplifier operating entirely in class A gold-plated contacts for long-term reliability.This relay...

  • Page 20: Parasound Jc 1 Specifications

    1280 watts > 1.8 dB Net Weight Input Impedance 64 lb. (29.1 kg) Balanced: 100 kΩ Unbalanced: 50 kΩ Shipping Weight 78 lb. (35.5 kg) © Parasound Products, Inc., 2002. Features and specifications subject to change v 1.1 without notice.
  • Page 22 Parasound Products, Inc. 950 Battery Street, San Francisco, CA 94111 www.parasound.com 415-397-7100 / Fax 415-397-0144...

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