Parasound A 51 manual Connecting AN External DC Source for Automatic Turn ON-OFF, Fuse

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CONNECTING AN EXTERNAL DC SOURCE FOR

AUTOMATIC TURN ON-OFF

7

To automatically turn on and off the A 51 with an external DC voltage, choose the DC Triggering option by moving the Auto Turn On switch on the rear panel to its lower 12V position.

2.5 mm sub-mini plug

What You’ll Need:

A cable with a 2.5 mm sub-mini plug on each end (provided)

A “control” component with +9Vdc to +12Vdc trigger voltage

Before Connecting

Remove Power to all the components in your audio system.

Make sure the Auto Turn On switch on the A 51 rear panel is in its 12V (down) position.

To Connect

1Plug one end of the trigger wire into the 12V Input jack on the A 51.

2Plug the other end of this wire into the external DC source.

Input Select

Balanced Unbalanced

A51 Amplifier

Ch 1

Parasound Products, Inc.

San Francisco, CA USA

L U C A S F I L M

Manufactured under license from Lucasfilm Ltd. Lucasfilm and THX are registered Trademarks of Lucasfilm Ltd.

WARNING

To Prevent Fire Or Shock

Ch 2

Ch 3

Ch 4

Fuse

T15A/250V1-115V Area

Hazard, Do Not Expose ThisCh 5

Unit To Rain Or Moisture.

CAUTION

 

 

 

 

 

To Prevent Electric Shock,

 

 

 

 

 

Do Not Remove Cover. No

 

 

 

 

 

User-Serviceable Parts Inside,

 

 

 

 

 

Refer Servicing To Qualified

 

 

Audio

 

 

Service Personnel.

 

 

 

Lift

 

 

Man

 

 

 

1

Input

12 V

50 mV 250

Normal

 

 

Sensitivity

 

 

 

Auto Turn On

Ground

Auto Turn On Switch, set to down position

2

CONTROL

COMPONENT

Output

T8A/250V-230V Area

 

AC 115V

60Hz

 

AC 230V

50Hz

Power Consumption: 1800W

CONTROL

COMPONENT

YOU SHOULD KNOW

If the device you want to use to control your A 51 doesn’t have a 2.5 mm trigger output connector, you can cut one plug off the cable and terminate the end as required. The lead with the red stripe is positive and the lead without the stripe is negative.

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Contents Amplifier Congratulations and Thank You for Choosing Parasound Thank YOUParasound Staff Unpacking Your a Keeping Records for Future ReferenceTable of Contents Placement Guidelines for Your a Rack Mounting Your Parasound aTo attach the rack mount brackets Balanced XLR Jacks and Their Pin Configuration Before Connecting What You’ll NeedLeft and Right Balanced Input Jacks To ConnectBefore Connecting Ch 1-5 Unbalanced InputsWrite Down Your Connections Speaker Wire Length and Gauge thickness Connecting Your Speakers to the aSpeaker Terminals Correct Speaker Polarity is ImportantConnecting an Active Audio Source for Automatic On-Off Turn Off Delay in the Audio ModeManual and Automatic Turn ON-OFF Options Fuse Connecting AN External DC Source for Automatic Turn ON-OFFUnderstanding the Indicators on the a Connecting the a 51 AC Power Cord AC Power Connections120 V or 220 V 240 V Operation Maintaining Your a Trouble Probable Cause Remedy Troubleshooting GuideServicing Your a Procedure for Returning Your a 51 to Parasound for ServiceIf All Else Fails -Call Us for Help Important Notice Shipping the aTechnically Speaking Audio Trigger Sensitivity AdjustmentTechnically Speaking Circuit Designed by John Curl Parasound a 51 Design OverviewParasound a 51 Design Overview Parasound a 51 Specifications Parasound Products, Inc Battery Street, San Francisco, CA