Parasound A 51 manual Ch 1-5 Unbalanced Inputs, Before Connecting, Write Down Your Connections

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CONNECTING A SURROUND CONTROLLER TO THE UNBALANCED INPUTS ON YOUR A 51

Ch 1-5 Unbalanced Inputs

Use these inputs if your surround controller doesn’t have balanced output connectors or if you simply prefer to use unbalanced connections.

RCA Plugs

What You’ll Need:

Five shielded interconnect cables with RCA plugs

A surround controller with five RCA output jacks

Before Connecting

Leave the AC cord on the A 51 disconnected until you have made all other connections to prevent any surprise burst of sound.

Make sure that all your cables are long enough so they are not pulled or stretched once they are connected.

Make sure the Balanced-Unbalanced Input Select switch on the A 51 is in its Unbalanced (right) position and the Ground switch is in its Normal (down) position.

To Connect

1Plug one end of the cable into the Unbalanced Ch 1 Input jack on the A 51.

2Plug the other end of the cable into the unbalanced output jack for the channel on your surround controller that you wish to correspond to Ch 1 on your A 51.

3 0 Repeat steps 1 and 2 for Ch 2, Ch 3, Ch 4, and Ch 5.

 

 

OUTPUTS

 

 

2

4

6

8

10

SURROUNDŁ CONTROLLER

Input Select Switch, set to right position

A51 Amplifier

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

Hazard, Do Not Expose This

Unit To Rain Or Moisture.

CAUTION

To Prevent Electric Shock,

Do Not Remove Cover. No

User-Serviceable Parts Inside,

Refer Servicing To Qualified

Service Personnel.

 

Input Select

 

 

 

Balanced

Unbalanced

 

 

 

 

Ch 1

 

 

 

1

 

 

 

 

 

Ch 2

 

 

 

3

 

 

 

 

 

Ch 3

 

 

 

5

 

 

 

 

 

Ch 4

 

 

 

7

 

 

 

 

 

 

 

Fuse

 

 

 

Ch 5

T15A/250V1-115V Area

 

 

 

T8A/250V-230V Area

 

 

9

 

AC 115V

60Hz

 

 

AC 230V

50Hz

 

Audio

 

Lift

 

 

Man

 

 

 

 

 

12 V

50 mV 250

Normal

Power Consumption: 1800W

Input

 

Sensitivity

Ground

 

AutoTurn On

 

 

Ground Switch, set to down position

YOU SHOULD KNOW

Write Down Your Connections

Make a note of which channel on your surround controller now connects to each channel of the A 51 so you’ll always hear the channels in their intended position and to facilitate trouble-shooting in case you encounter a problem later on.

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Contents Amplifier Parasound Staff Unpacking Your a Thank YOUCongratulations and Thank You for Choosing Parasound Keeping Records for Future ReferenceTable of Contents Placement Guidelines for Your a Rack Mounting Your Parasound aTo attach the rack mount brackets Left and Right Balanced Input Jacks Before Connecting What You’ll NeedBalanced XLR Jacks and Their Pin Configuration To ConnectBefore Connecting Ch 1-5 Unbalanced InputsWrite Down Your Connections Speaker Terminals Connecting Your Speakers to the aSpeaker Wire Length and Gauge thickness 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 Connecting AN External DC Source for Automatic Turn ON-OFF FuseUnderstanding 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 Troubleshooting Guide Trouble Probable Cause RemedyIf All Else Fails -Call Us for Help Procedure for Returning Your a 51 to Parasound for ServiceServicing Your a Important Notice Shipping the aAudio Trigger Sensitivity Adjustment Technically SpeakingTechnically Speaking Parasound a 51 Design Overview Circuit Designed by John CurlParasound a 51 Design Overview Parasound a 51 Specifications Parasound Products, Inc Battery Street, San Francisco, CA