Parasound HCA-1203A Owner'S Manual Download Page 2

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Table of Contents

Important Safety Instructions .........................................................................................3

Figure #1 HCA-1205A Front and Rear Panel Drawings ..............................................4

Figure #2 HCA-1203A Front and Rear Panel Drawings ..............................................5

Introduction ......................................................................................................................6

Installing and Rack Mounting Your Amplifier ................................................................6

Ventilation Requirements for Your Amplifier .................................................................6

Home Theater Configurations and Input Connections for the HCA-1205A ................ 7

Home Theater Configurations and Input Connections for the HCA-1203A ................ 7

Speaker Connections ......................................................................................................8

AC Power Connections and AC Grounding ...................................................................8

DC Trigger Connection ....................................................................................................8

Operating Your HCA-1205A or HCA-1203A ....................................................................9

Maintaining Your Parasound Amplifier ...........................................................................10

In Case of Trouble .............................................................................................................10

Parasound HCA-1205A Specifications ...........................................................................11

Parasound HCA-1203A Specifications ...........................................................................12

Special Features for the Parasound HCA-1205A and HCA-1203A .............................. 13

Parasound Limited Warranty (USA only) ......................................................................13

The Parasound HCA-1205A and HCA-1203A are Manufactured under license from Lucasfilm Ltd.
Lucasfilm and THX are trademarks of Lucasfilm Ltd.

L U C A S F I L M

Summary of Contents for HCA-1203A

Page 1: ...C A S F I L M Power Power Current Overload Current Overload 1 3 2 AC Line AC Line Normal Normal Standby Standby H C A 1 2 0 5 A H i g h C u r r e n t P o w e r A m p l i f i e r H C A 1 2 0 5 A H i g h C u r r e n t P o w e r A m p l i f i e r L U C A S F I L M L U C A S F I L M Power Power Current Overload Current Overload 3 5 4 1 2 AC Line AC Line Normal Normal Standby Standby HCA 1203A Three Ch...

Page 2: ...d Input Connections for the HCA 1203A 7 Speaker Connections 8 AC Power Connections and AC Grounding 8 DC Trigger Connection 8 Operating Your HCA 1205A or HCA 1203A 9 Maintaining Your Parasound Amplifier 10 In Case of Trouble 10 Parasound HCA 1205A Specifications 11 Parasound HCA 1203A Specifications 12 Special Features for the Parasound HCA 1205A and HCA 1203A 13 Parasound Limited Warranty USA onl...

Page 3: ...g This plug will only fit into a grounding power outlet If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the grounding plug 11 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them 12 Lightning Unplug the un...

Page 4: ... 3 Channel 5 THX Level Manufactured under license from Lucasfilm Ltd Lucasfilm and THX are registered trademarks of Lucasfilm Ltd CAUTION TO PREVENT ELECTRIC SHOCK DO NOTREMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE DC Trigger 12V GND Input Connectors Looping Output Co...

Page 5: ...nsumption 1500 W AC 120V 60Hz Channel 1 Channel 2 Input Channel 3 Channel 1 Channel 2 Channel 3 THX Level Manufactured under license from Lucasfilm Ltd Lucasfilm and THX are registered trademarks of Lucasfilm Ltd CAUTION TO PREVENT ELECTRIC SHOCK DO NOTREMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE ...

Page 6: ...ifier rather that stacking it directly above or below your other components Both the HCA 1205A and HCA 1203A occupy three rack spaces 5 1 4 into a standard 19 inch equipment rack Be sure to use heavy duty mounting bolts to and nylon shoulder washers on both sides of the faceplate to avoid scratching the amplifier s front panel and to help prevent ground loops Contact Middle Atlantic Products at 20...

Page 7: ...akers This allows you to use your existing two channel stereo amplifier to drive your left and right Surround speakers You can also add a powered subwoofer for extended low frequency response Use the following input configuration so you have an easy way to remember the connections to each channel for level setting and troubleshooting Connect the left front output of your processor to INPUT 1 of yo...

Page 8: ...uctor The marked insulation or copper colored wire usually indicates the positive conductor This demarkation lets you know which wire is connected to the positive and which to the negative speaker terminals so you can do exactly the same on the power amplifier s red and black binding posts Minimum Impedance Precautions Connect loudspeakers with a 4 Ω or 8 Ω nominal impedance for normal operation B...

Page 9: ...ne or possible internal fault If this LED remains lit remove power to the amplifier and check all connections During this time the protection circuits should automatically reset If the red LED stays lit after you reapply power contact your Parasound Dealer Installer or Parasound Technical Service for further advice Current Overload LEDs The Current Overload LEDs for left and right channels will on...

Page 10: ...ilable such as the Video Link 634 or the Mondial Magic specifically designed to cure this problem In rack mounted systems ground loops and hum can sometimes develop via the metal rack rails of the equipment rack This problem can be solved with nylon shoulder washers available from Middle Atlantic Products refer to rack mounting section of this manual If All Else Fails Call your Parasound dealer or...

Page 11: ... Harmonic Distortion 0 03 at full power 0 01 typical levels IM Distortion 0 03 TIM Unmeasureable Dynamic Headroom 1 5 dB Interchannel Crosstalk 95 dB at 1 kHz 80 dB at 20 kHz Input Impedance 33 kΩ Input Sensitivity 1 V for 28 28 V THX Reference Level 1 2 V for full output S N Ratio 100 dB input shorted IHF A weighted Damping Factor 800 at 20 Hz Dimensions 19 wide x 3 1 2 high x 16 deep 4 1 8 high ...

Page 12: ... Harmonic Distortion 0 03 at full power 0 01 typical levels IM Distortion 0 03 TIM Unmeasureable Dynamic Headroom 1 5 dB Interchannel Crosstalk 95 dB at 1 kHz 80 dB at 20 kHz Input Impedance 33 kΩ Input Sensitivity 1 V for 28 28 V THX Reference Level 1 2 V for full output S N Ratio 100 dB input shorted IHF A weighted Damping Factor 800 at 20 Hz Dimensions 19 wide x 3 1 2 high x 16 deep 4 1 8 high ...

Page 13: ...Can be powered with external DC source Cascode Class A input stages with matched J FET pairs Hand picked complementary transistors in high voltage driver stage 6 complementary pairs of 15 ampere 50 MHz output transistors per channel Output transistors direct coupled to speakers without LRC networks DC servo direct coupled audio circuits with 0 8 Hz rolloff High bias Class A AB operation Gold plate...

Page 14: ... 14 1997 Parasound Products Inc Parasound Products Inc 950 Battery Street San Francisco CA 94111 415 397 7100 FAX 415 397 0144 affordable audio for the critical listener ...

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