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TGA-7401 / TGA-7401-230
and TGA-7201 / TGA-7201-230

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Theater Grand Amplifier

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Содержание TGA-7201

Страница 1: ...TGA 7401 TGA 7401 230 and TGA 7201 TGA 7201 230 seven Theater Grand Amplifier ...

Страница 2: ...hould 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 pers...

Страница 3: ...the radio interference regulations of the Ca nadian Department of Communications WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERT ATTENTION POUR ÉVITER LES CHOCS ÉLECTRIQUES INTRO DUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRESPONDANTE DE LA PRISE E...

Страница 4: ...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 mag netic or ribbon speakers suc...

Страница 5: ...A 7401 The operational details features and connections to loud speakers and preamplifiers are the same for both models The TGA 7401 230 and TGA 7201 230 are export models set for 220 240 VAC operation Their operation is identical to the TGA 7401 and the TGA 7201 amplifiers TGA 7201 and TGA 7201 230 200 Watts per channel into 8 Ω 400 Watts per channel into 4 Ω TGA 7401 and TGA 7401 230 400 Watts p...

Страница 6: ...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 tight fit and there is us...

Страница 7: ...tracks It accepts line level signals from a controlling preamplifier and amplifies them to a higher level suitable for driving powerful stereo and Home Theater speakers The front panel power LED will turn blue when the amplifier is turned on The brightness can be set to high medium or low using the LED dimmer 11 on the rear panel The LED turns red when the amplifier is turned off CHAPTER 1 ...

Страница 8: ...put see page 11 This can be used to automatically 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 The supplied 1 8 mini...

Страница 9: ...or a biwired sys tem use the Current Source for mid range and treble drivers and use the Voltage Source for the subwoofer s These are suggestions only By all means please feel free to experiment with other wiring options See page 14 NOTE The Current Source output is a Voltage Source modified to yield an impedance of one ohm This cor responds approximately to a vacuum tube amplifier s output impeda...

Страница 10: ...ation They show how the inputs and outputs of the Theater Grand Amplifier are con nected 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 RS R LS UNBALANCED PREAMP OUTPUTS LB RB C L LOUDSPEAKERS RB RS C LS LB L R Make sure that the posi tive spe...

Страница 11: ... Voltage Source outputs can be used instead as 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 When the AUTO ON switch is set to AUTO ON the amplifier will automatically turn on when either a 12V trigger voltage or an audio signal from the preamp is received Speaker level audio outputs From Amplifier outputs To Spe...

Страница 12: ...in the 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 woofe...

Страница 13: ...W FREQ RANGE HIGH FREQ RANGE HIGH OUT UNBALANCED PREAMP OUTPUTS ACTIVE EXTERNAL CROSSOVER 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 into two frequency ranges You can con...

Страница 14: ...u 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 right speaker s ...

Страница 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...

Страница 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...

Страница 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...

Страница 18: ...chain ing Power Consumption 45 W At idle 580 W Typical 1 8th power 1440 W Continuous power Dimensions and Weight 17 0 inches wide 5 75 inches high including feet 16 7 inches deep to tips of con nectors Weight 40 lbs TGA 7201 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 11...

Страница 19: ...F TITLE INCLUD ING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABIL ITY AND FITNESS FOR A PARTICU LAR PURPOSE ATTENTION TO OUR VALUED CONSUMERS To insure that consumers obtain quality pre sale and after sale sup port and service Sunfire products are sold exclusively through autho rized dealers Sunfire products are not sold online The warranties on Sunfire products are NOT VALID if the product...

Страница 20: ...Manual part number 913 153 00 Rev A Theater Grand Amplifier TGA 7401 TGA 7401 230 and TGA 7201 TGA 7201 230 ...

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