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Parasound HCA-1500A manual

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Table of contents for the manual

  • Page 1

    -1- O W N E R ' S M A N U A L HC A- 1 5 00A H igh C urrent P ow er Amplif ier HCA-1500A High Current Power Amplifier HCA-1500A High Current Power Amplifier L U C A S F I L M LUCASFILM P o w e r Power C u rre n t O ve rlo a d Current Overload L R A C L in e AC Line N o r m a l Normal S t a n d b y Standby LUCASFILM R[...]

  • Page 2

    -2- IMPORTANT SAFETY INSTRUCTIONS The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of “dangerous voltage” within the product’s enclosure that may constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the user to t[...]

  • Page 3

    -3- Figure #2 HCA-1500A Front Panel Drawing Current Overload Standby AC Line Normal LR Power Power Switch Power & Status Indicators Current Overload Indicators HCA-1500A High Current Multi Amplifier HCA - 1500A High Current Power Amplifier Parasound Products, Inc San Francisco, CA U.S.A. CAUTION: TO PREVENT ELECTRIC SHOCK, DO NOT REMOVE COVER. [...]

  • Page 4

    -4- Introduction Congratulations on your purchase of this precision audio component and thank you for your selection of Parasound. Your HCA-1500A was designed by renowned circuit designer John Curl to meet or surpass the stringent standards required by Lucasfilm for use in THX Home Cinema systems. Each precision component within your HCA-1500A is c[...]

  • Page 5

    -5- Making Connections to Your Amplifier Leave the AC cord disconnected before making any signal or speaker connections. When making connections to the amplifier, make sure there is no strain or tension on the input leads, speaker wires, or AC cord that could cause them to pull loose. Input Connections Connect the output of your preamplifier or pro[...]

  • Page 6

    -6- Rear Panel Bridged Mono Switch Select Mono (up) or Stereo (down) as marked on the rear panel. The main power should be switched off before moving this switch. If you accidentally leave the Mono Bridge switch in the Mono (up) position, you will find stereo output will be weak and distorted. Bridged Mono Speaker Connection In the bridged mono mod[...]

  • Page 7

    -7- Standby/Normal Operation LEDs The red Standby LED will light when the amplifier is turned on either with the power switch or an external DC trigger. It will stay lit about four to five seconds while the amplifier circuits stabilize. After that, the red LED will turn off and the green normal LED will signal that the protection relays have switch[...]

  • Page 8

    -8- Frequently hum in home theater systems is caused by a grounding problem with the cable TV system. Contact your cable provider if necessary to make sure the cable feed into your house is properly grounded. There are cable isolation devices available such as the Video Link #634 or the Mondial Magic specifically designed to cure this problem. In r[...]

  • Page 9

    -9- Parasound HCA-1500A Specifications Continuous Power Output - Stereo 205 Watts RMS x 2, 20 Hz-20 kHz, 8 Ω , both channels driven 315 Watts RMS x 2, 20 Hz-20 kHz, 4 Ω , both channels driven Continuous Power Output - Mono 630 Watts RMS, 20 Hz-20 kHz, 8 Ω Current Capacity 60 Amperes peak per channel Slew Rate > 130 V/µsecond Frequency Res[...]

  • Page 10

    -10- Special Features for the Parasound HCA-1500A • Designed by John Curl • THX certified by Lucasfilm Ltd. • Independent power supplies for each channel • Massive 1 kVA toroid power transformer • 60,000 µ F computer-grade capacitors in power supply • Multiple polystyrene film bypass capacitors in power supply • DC Trigger Auto On Fe[...]

  • Page 11

    -11- © 1997 Parasound Products, Inc. Parasound Products, Inc. 950 Battery Street, San Francisco, CA 94111 415-397-7100 / FAX 415-397-0144 affor dable audio for the critical listener The Parasound HCA-1500A is Manufactured under license from Lucasarts Entertainment Company. U.S. and foreign patents pending. Lucasfilm Audio and Home THX are trademar[...]