Sunfire TGA-7201-230, TGA-7401-230, TGA7401 manual Chapter

Page 10

CHAPTER 2

System Configurations

The following pages show some typical connections that you might make in your installation. They show how the inputs and outputs of the Theater Grand Amplifier are connected to your preamplifier and speakers.

Unbalanced Connections

RB

 

UNBALANCED

 

 

PREAMP OUTPUTS

 

 

LB

RS

LS

R

L

C

 

 

 

 

 

 

Line-level audio signals

From: Preamplifier main RCA outputs

To: Amplifier line-level inputs

+ RB

+

+

+

+

R

RS

C

LS

 

LOUDSPEAKERS

+ LB

+

L

Speaker-level audio outputs From: Amplifier outputs To: Speaker input posts

If your preamplifier has RCA out- puts, it can be connected to the ampli- fier inputs as shown. The amplifier will boost the preamplifier's output, up to a level suitable for driving speakers.

This diagram also shows how the Voltage Source outputs connect to the input posts of your speakers. (The Current Source can be used instead, as shown on the next page).

Make sure that the posi-

R

= Right Channel

tive speaker wires do not

C

= Center Channel

touch the negative speaker

L

= Left Channel

wires, or any chassis metal.

RS = Right Surround (rear) Channel

This will cause a short circuit and may

LS

= Left Surround (rear) Channel

damage your amplifier or speakers.

RB = Right Surround Back Channel

 

LB

= Left Surround Back Channel

10

User's Manual

Image 10 Contents
Seven Important Safety Instructions Contents Introduction TGA-7401 and TGA-7401-230 Theater Grand Amplifier EditionsTGA-7201 and TGA-7201-230 Unpacking Installation AC Power Considerations CareFront Panel Features OverviewVDC Trigger Input Rear Panel FeaturesAUTO/ON/OFF Switch RCA InputsXLR Inputs IEC connectorPower Switch Current Source Outputs Voltage Source OutputsChapter Balanced Connections LoudspeakersOutput connections BiampingInput connections Biamping Connections Biamping with an external crossoverVolt Series Series and Parallel speaker connectionsParallel Amplifier shuts down often or the line fuse blows often Troubleshooting GuideNo sound from one or more speakers Hum is heard in your speakersTurn-on and turn-off thumps Other causes of noisePoor bass performance Current source outputs not workingSpecifications TGA-7401 TGA-7201Sunfire Limited Warranty Service AssistanceTheater Grand Amplifier