Parasound A 52 manual Left and Right Balanced Input Jacks, What You’ll Need, Before Connecting

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CONNECTING A SURROUND CONTROLLER TO THE BALANCED INPUTS ON YOUR A 52

Left and Right Balanced Input Jacks

3

Balanced connections will give you the best sound. If your surround controller has balanced XLR output jacks, we recommend that you connect them to these inputs. Refer to the Balanced and Unbalanced Lines in the Technically Speaking section for additional information about why we recommend using balanced lines.

Male

Female

XLR Connectors

What You’ll Need:

Five balanced interconnect cables with XLR connectors

A surround controller with balanced output connectors

Before Connecting

Leave the A 52’s AC cord 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 strained or stretched once they are connected.

Make sure the Balanced - Unbalanced Inputs selector switch on the rear of the A 52 is

in its Balanced (upper) position. The Ground switch should be in its Normal (lower) position.

To Connect

1Plug the male end of the first balanced interconnect cable into the Balanced Ch 1 input jack on the A 52.

2Plug the female end of the cable into the balanced output jack for the channel on your surround controller that you wish to correspond to Ch 1 on your A 52.

3 0 Repeat steps 1 and 2 above to connect Ch 2, Ch 3, Ch 4, and Ch 5.

OUTPUTS

2

4

6

8

10

SURROUNDŁ CONTROLLER

Inputs Switch, set to up position

Ground Switch,

set to down position

1

3

5

7

9

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.

CAUTION

To Prevent Electric Shock, Do Not

Remove Cover. No User-Serviceable

Parts Inside, Refer Servicing To

Qualified Service Personnel.

Ch 1

Ch 2

Ch 3

Ch 4

Ch 5

Balanced

Balanced

Balanced

Balanced

Balanced

Input

Input

Input

Input

Input

Unbalanced

Unbalanced

Unbalanced

Unbalanced

Unbalanced

Balanced

 

Audio

Sensitivity

Lift

 

 

 

50 mV 250

 

 

 

Man

 

 

Unbalanced Output

Input

12 V

 

Normal

Inputs

 

 

 

Ground

 

Auto Turn On

 

 

 

 

WARNING

 

 

To Prevent Fire Or Shock Hazard,

 

 

Do Not Expose This Unit To Rain

 

 

 

Or Moisture.

 

 

 

Fuse

 

 

 

T15A/250V1-115V Area

 

 

 

T8A/250V-230V Area

 

 

 

AC 115V

60Hz

 

 

 

AC 230V

50Hz

 

Power Consumption: 1350W

YOU SHOULD KNOW

Balanced XLR Jacks and Their Pin Configuration

The balanced inputs of the A 52 use XLR jacks that conform to the industry standard of: Pin 1: Ground, Pin 2: Positive (+), Pin 3: Negative (–). The balanced outputs on some com- ponents use terminals with 3 screws instead of XLR jacks. These are compatible with the A 52 as long as you match the bare wires to the corresponding pins on the XLR plug: + to pin 2, - to pin 3, and Ground to pin 1.

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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 To attach the rack mount brackets Placement Guidelines for Your aRack Mounting Your Parasound a Balanced XLR Jacks and Their Pin Configuration Before ConnectingLeft and Right Balanced Input Jacks What You’ll NeedWrite Down Your Connections Ch 1-5 Unbalanced InputsSpeaker Wire Length and Gauge thickness Connecting Your Speakers to the aSpeaker Terminals Correct Speaker Polarity is ImportantManual and Automatic Turn ON-OFF Options Connecting an Active Audio Source for Automatic On-OffTurn Off Delay in the Audio Mode Audio Turn On Switch Set to down position Connecting AN External DC Source for Automatic Turn ON-OFFConnecting the a 52 to Trigger Another Component Channel Status Indicators On, Off and Fault/Protection Status IndicatorsAll Indicators Illuminated High-Temp Indicator120 V or 220 V 240 V Operation Connecting the a 52 AC Power CordAC Power Connections Maintaining Your a Trouble Probable Cause Remedy Troubleshooting GuideServicing Your a Procedure for Returning Your a 52 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 52 Design OverviewParasound a 52 Design Overview Parasound a 52 Specifications Parasound Products, Inc Battery Street, San Francisco, CA