Theater Grand
Amplifier
TGA-7400 / TGA-7400(E)and TGA-7200 / TGA-7200(E)
seven
Page 1: ...Theater Grand Amplifier TGA 7400 TGA 7400 E and TGA 7200 TGA 7200 E seven ...
Page 2: ...should be un plugged from the outlet when unused for a long period of time 14 Object and Liquid Entry Care should be taken so that objects do not fall into and liquids are not spilled into the inside of the apparatus 15 Servicing The user should not attempt to service the apparatus beyond those means described in this operating manual All other servicing should be referred to qualified service per...
Page 3: ...TRIQUES INTRO DUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND ATTENTION Le présent appar eil numérique n émet pas de bruits radioélectriques dépassant las limites applicables aux appareils numériques de class A de class B selon le cas prescrites dans le règlement sur le brouillage radioélectrique édicté par les ministere des communications ...
Page 4: ...er transformer provides the ultimate muscle for limitless dynamics We could go on and on but here s the best part we ve included two kinds of outputs on the front left and front right channels 1 a standard voltage source i e near zero impedance output for all typical applications and 2 a higher impedance current source output which many prefer for electrostatic planar magnetic or ribbon speakers O...
Page 5: ... illustrations of the TGA 7400 The operational details features and connections to loud speakers and preamplifiers are the same for both models The TGA 7400 E and TGA 7200 E are export models set for 220 240 VAC operation Their opera tion is identical to the TGA 7400 and TGA 7200 amplifiers TGA 7200 and TGA 7200 E 200 Watts per channel into 8 Ω 400 Watts per channel into 4 Ω TGA 7400 and TGA 7400 ...
Page 6: ...ier has XLR outputs These balanced connections provide superior noise rejec tion Whenever possible keep the power cords away from the signal cables or speaker wires to prevent any hum or audio interference being heard in the speakers Choose reliable hookup cables also called patch cords or RCA cables They should be fully shielded and as short as pos sible for the job Some patch cords can be a very...
Page 7: ...lling preamplifier and amplifies them to a higher level suitable for driving powerful stereo and Home Theater speakers Power Switch Press the power switch to turn the amplifier on With this switch pressed in the Standby On LED will turn red when the amplifier is in standby or blue when the amplifier is on The rear panel switch controls how the amplifier turns on signal sensing 12V trigger etc Plea...
Page 8: ...ed to auto matically turn on the amplifier when the processor is turned on 1 8 mono mini jacks are provided for ease of installation along with a terminal strip to allow more flexibility for custom wired installations The terminal strip and both mini jacks are internally connected in parallel allow ing daisy chaining to turn on multiple amplifiers Any 1 8 miniplug mono or stereo interconnect cable...
Page 9: ...a connectors According to your musical taste you may select the Current Source for driving electrostatic planar magnetic or ribbon speakers Select the Volt age Source for driving subwoofers For cone based systems use either For a biwired system use the Current Source for midrange and treble driv ers and use the Voltage Source for the subwoofer s These are sugges tions only By all means please feel...
Page 10: ...the inputs and outputs of the Theater Grand Amplifier are connected to your preamplifier and speakers R Right Channel C Center Channel L Left Channel RS Right Surround rear Channel LS Left Surround rear Channel RB Right Surround Back Channel LB Left Surround Back Channel MINIMUM SPEAKER LOAD IMPEDANCE 4 OHMS RS RF LS UNBALANCED PREAMP OUTPUTS LB RB C LF LOUDSPEAKERS RB RS C LS LB L R Make sure tha...
Page 11: ...shown on the previous page The 12 VDC trigger connection shown can be used to turn the ampli fier on when the preamplifier turns on Alternatively you could use the ampli fier s AUTO ON switch The amplifier will then automatically turn on when a preamp audio signal is received MINIMUM SPEAKER LOAD IMPEDANCE 4 OHMS DVD IN SAT IN HDMI OUT MANUFACTURED UNDER LICENSE FROM DIGITAL THEATER SYSTEMS INC US...
Page 12: ...e diagram on the top half of the next page Output connections Connect the amplifier s right rear output to the right speak er s woofer input terminals Connect the amplifier s right front current source output to the right speaker s upper range input terminals If you prefer you could use the right front voltage source instead Connect the amplifier s left rear output to the left speaker s woofer inp...
Page 13: ...OW OUT FULL FREQ RANGE LOW FREQ RANGE HIGH FREQ RANGE HIGH OUT UNBALANCED PREAMP OUTPUTS ACTIVE EXTERNAL CROSSOVER LOUDSPEAKERS Line level audio signals From Preamplifier main RCA outputs To Amplifier RCA inputs Biamping with an external crossover If you have an external active crossover you can greatly increase the efficiency of your system The crossover will split the preamplifier output signals...
Page 14: ... still allow you to con nect seven speakers for your Home Theater system This page shows the input and out put connections for Biwiring a left front speaker and a right front speaker The remaining speaker connections have been omitted from this drawing for clarity They can be connected as shown on pages 10 and 11 Output connections Connect the amplifier s right front voltage source output to the r...
Page 15: ...ng a single speaker Parallel For example if you want to parallel connect two speakers to the front right channel of the amplifier The positive output terminal of the right channel connects to the positive input post of the first speaker and to the positive post of the second speaker The negative output terminal of the right channel connects to the negative input post of the first speaker and to th...
Page 16: ...erall impedance thus taking some of the load off the amplifier Make sure that the amplifier has good ventilation and is not overheating If the amplifier is in a closed rack open up the rear panel or use a quiet fan for im proved ventilation A hum is heard in your speakers This problem is more than likely caused by a ground loop in your sys tem rather than a fault in the amplifier Follow these step...
Page 17: ...oise which other speakers may not If you are still having a problem remember that Sunfire s dealers and technical support staff will as sist you Make a list of the things you have tried Poor bass performance Make sure that your preamp does not have the bass level turned down Many surround preamplifiers have controls which can direct all the bass to subwoofers or let your main speakers play the ful...
Page 18: ... Max Fuse Limit Dimensions and Weight 17 0 inches wide 5 9 inches high including feet 16 7 inches deep to tips of con nectors Weight 40 lbs Finish Brushed aluminum with black an odize or a light titanium finish TGA 7200 Power output 200 watts continuous per chan nel into eight ohms at 1 kHz with no more than 0 5 T H D Power at clipping min 400 watts per channel into four ohms Hum and Noise 115 dB ...
Page 19: ...lacement at our option of any defective prod uct and shall not in any event include property or any other incidental or consequential damages which may result from the failure of this product Some states do not allow limitations on how long an implied warranty lasts and or do not allow the exclusion or limitation of incidental or consequential damages so the above limitations or exclusions may not...
Page 20: ...Manual part number 913 135 00 Rev A seven Theater Grand Amplifier TGA 7400 TGA 7400 E and TGA 7200 TGA 7200 E MINIMUM SPEAKER LOAD IMPEDANCE 4 OHMS ...
