Seven

Amplifier

TGA-7400 / TGA-7400(E)

and TGA-7200 / TGA-7200(E)

Manual part number : 913-135-00 Rev A

Image 20

Contents

Seven Important Safety Instructions Contents Introduction TGA-7200 and TGA-7200E Theater Grand EditionsTGA-7400 and TGA-7400E Installation AC Power ConsiderationsUnpacking Care Overview Front Panel FeaturesPower Switch Rear Panel Features AUTO/ON/OFF SwitchVDC Trigger Input RCA Inputs IEC connector XLR InputsCurrent Source Outputs Voltage Source Outputs Current Source Fuses System Conﬁgurations Unbalanced Connections Balanced Connections SAT Input connections BiampingOutput connections Biamping Connections Biamping with an external crossover Biwiring Connections Unbalanced Preamp Outputs Parallel Series and Parallel speaker connectionsSeries Troubleshooting Guide No sound from one or more speakersAmpliﬁer shuts down often or the line fuse blows often Hum is heard in your speakers Other causes of noise Poor bass performanceTurn-on and turn-off thumps Current source outputs not working Speciﬁcations TGA-7400 TGA-7200 Limited Warranty Service Assistance Seven