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HCA-1205A

High Current Power Amplifier

Parasound Products, Inc

San Francisco, CA U.S.A.  

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

Fuse 12 A

Power Consumption: 1000 W

                  

AC 120V

60Hz

Channel 1

Channel 3

Input

Channel 5

Channel 1

Channel 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,

and Level Controls

Speaker Connectors

AC Receptacle

+ 12 Vdc 

Trigger Connector

Input

THX

Level

Input

THX

Level

Carry Handle

External 

Fuse

Post

Channel 2

Channel 2

Input

THX

Level

Channel 4

Channel 4

Input

THX

Level

Figure #1 

  HCA-1205A Front and Rear Panel Drawings

HCA-1205A High Current Power Amplifier

Power

Current Overload

34

5

AC Line

Standby

Normal

Power Switch

Power Status Indicators

Current Overload Indicators

12

Summary of Contents for HCA-1205A

Page 1: ...e n t P o w e r A m p l i f i e r H C A 8 5 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 Power Current Overload 3 5 4 1 2 AC Line Normal Standby H C A 1 2 0 5 A H i g h C u r r e n t P o w e...

Page 2: ...0 000 uF filter capacitance in the HCA 1205A 1 kVA power transformer 68 000 uF filter capacitance in the HCA 855A Modular circuit board layout Massive toroid power transformer Multiple polystyrene fil...

Page 3: ...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...

Page 4: ...LE 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 and Level Control...

Page 5: ...R 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 and Le...

Page 6: ...d 19 inch equipment rack Be sure to use the heavy duty mounting bolts with nylon shoulder washers on both sides of the faceplate to avoid scratching the amplifier s front panel and tohelppreventground...

Page 7: ...f insulation and twist the wire s strands tightly to prevent strays that could cause a short circuit You may want to tin the stripped wire with solder to prevent it from fraying and oxidizing Polarity...

Page 8: ...ED indicates that the AC cord is connected and that power is currently applied to the amplifier Standby Normal Operation LEDs TheredStandbyLEDwilllightwhentheamplifieristurnedoneitherwiththepowerswitc...

Page 9: ...was probably be caused by your processor or one of the source components connected to it Frequently hum in home theater systems is caused by a grounding problem with the cable TV system Contactyourcab...

Page 10: ...tortion 0 03 at full power 0 01 typical levels IM Distortion 0 03 TIM Unmeasureable Dynamic Headroom 1 5 dB Interchannel Crosstalk 80 dB at 1 kHz 60 dB at 20 kHz Input Impedance 33 k Input Sensitivity...

Page 11: ...al Harmonic Distortion 0 03 at full power 0 01 typical levels IM Distortion 0 03 TIM Unmeasureable Dynamic Headroom 1 5 dB Interchannel Crosstalk 80 dB at 1 kHz 60 dB at 20 kHz Input Impedance 33 k In...

Page 12: ...12 1999 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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