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Operation Manual, RA2400 & RA7300 Power Amplifiers 

 

Page 6 

 

Document # 9301H62800 Ver. 1.00 

DATASAT RA2400 / RA7300 AMPLIFIERS 

Introduction 

Congratulations! Thank you for purchasing the Datasat RA2400/RA7300 Power Amplifier(s). 

Designed, engineered and manufactured in the United States, it has been carefully designed to 

deliver the best possible audiophile-grade performance as well as the most reliable operation.  

The RA7300 is a seven channel amplifier and the RA2400 is a two channel amplifier. This manual 

covers both models with the differences being the number of channels, specifications, design 

and/or power output. 

In order to receive the maximum enjoyment from your new amplifier, please take a few minutes to 

read this manual. The important information will help to ensure that the RA2400/RA7300 is 

properly configured for trouble-free operation with the rest of your system’s equipment. 

If you have any questions about this product, its installation or operation, please contact: 

Datasat USA technical support via e-mail at 

[email protected]

 or call 1(888) 428-2268.  

Customers located in Europe may email 

[email protected]

 and/or call +44 (0)118 934 9199. 

Features 

Your new RA2400/RA7300 amplifier is a state of the art, high performance audio component.  Its 

circuit topology is fully-differential and balanced from input to output.  Both model amplifiers utilize 

current feedback for improved speed and a DC servo to minimize any DC offset. Custom-designed 

torrodial transformers with multiple secondary windings drive the high current power supplies 

effectively making each channel a complete monoblock amplifier. To ensure signal purity, each 

amplifier module employs advanced optically coupled protection circuitry that is outside the signal 

path. Designed specifically for the rigors of rack-mounting, both model amplifiers use a 

temperature controlled, fan-cooled heat tunnel with dual thermal sensors to draw cool air in from 

the sides and exhaust warm air from the rear.  The fan is calibrated to be silent during low-power 

operation and any fan noise will be masked by program content during high-power output.  

Unpacking 

The carton and packing materials used in shipping your RA2400/RA7300 amplifier are specially 

designed to protect it from the shocks and vibration of shipping. We strongly suggest that you save 

the carton and packing materials to re-use if you move or if the unit needs to be shipped for any 

reason.  Should you discover that your RA2400/RA7300 has been damaged during shipping, please 

contact your dealer or Datasat immediately and request the name of the carrier so a written claim 

may be made. 

Содержание RA2400

Страница 1: ...Operation Manual TM H628 V1 00 9301H62800V1 00 RA2400 Power Amplifier RA7300Power Amplifier...

Страница 2: ...wer output capability Certain precautions must be taken to ensure proper operation Never expose the amplifier to moisture Never plug an input cable into the RA2400 RA7300 while the unit is turned on N...

Страница 3: ...r other devices including amplifiers that produce heat The unit should be connected to a power supply outlet only of the voltage and frequency marked on its rear panel The AC power cord should be rout...

Страница 4: ...re Recommendations 13 Polarity and Speaker Phasing 14 Using Wire to Speaker Terminals 14 Using Spade Lugs to Speaker Terminals 15 Using Banana Plugs to Speaker Terminals 15 Running Cable to Speakers 1...

Страница 5: ...hooting 18 Protection Circuitry 18 Datasat Service Information 19 A Few Words About Hum and Noise 20 21 Potential Ground Loops in a Complex A V System 22 RA2400 RS7300 Specifications 22 23 Datasat Lim...

Страница 6: ...e of the art high performance audio component Its circuit topology is fully differential and balanced from input to output Both model amplifiers utilize current feedback for improved speed and a DC se...

Страница 7: ...vide the amplifier with adequate ventilation The RA2400 RA7300 should never be placed in a cabinet with other heat producing components or in an enclosure lacking free airflow The amplifier should als...

Страница 8: ...800 Ver 1 00 RA2400 RA7300 FRONT PANEL A Power Switch Plate Turns the RA2400 RA7300 on The front panel LED will illuminate blue when the amplifier is powered on Note that the rear panel main power swi...

Страница 9: ...ced Analog Audio In 1 8 Connector Selector Switches The selector switches are used for channel assignment when the DB25 balanced analog audio in 1 8 input connector and cable are used with the RS20i F...

Страница 10: ...the included power cord s to connect your amplifier to an AC power source The RA2400 uses one power cord and the RA7300 uses two G Master Power Switch The rear panel Master Power switch es selects pow...

Страница 11: ...el of the RA2400 RA7300 that have the same channel name When making connections with the XLR connectors DB25 connector or any interconnect cables make certain to gently but firmly insert the plugs int...

Страница 12: ...o pass thru 1 8 DB25 connector Note that the pass thru connector outputs are not affected by the dip switch settings in other words the DB25 channel inputs are passed directly to the pass thru DB25 co...

Страница 13: ...h wire and carefully twist the strands of each conductor together Be careful not to cut the individual strands or twist them off All strands must be used for optimal performance Polarity and Speaker P...

Страница 14: ...l Using Banana Plugs to Speaker Terminals When using banana plugs connections may be made by simply inserting the jack affixed to your speaker wire into the hole provided on the rear of the colored sc...

Страница 15: ...a dedicated trigger jack it is still possible to activate the RA2400 RA7300 for automatic turn on off If a switched outlet is available on an external device it can be used to activate the RA2400 RA7...

Страница 16: ...products with a high current draw to the same AC power circuit as the amplifier If this is unavoidable the Ultra Soft Start circuitry of your amp will prevent excessively high in rush current RA2400...

Страница 17: ...h an internationally approved IEC power line connector that accepts the supplied detachable high current capacity power cord s The RA7300 has two power cords and the RA2400 comes with one WARNING UNDE...

Страница 18: ...atasat com or if you are located in or close to Europe eusupport datasat com Protection Circuitry Your RA2400 RA7300 uses an advanced optically coupled protection circuit that does not require fuses a...

Страница 19: ...information is available at www datasatdigital com docs consumer A FEW WORDS ABOUT HUM AND NOISE One of the main benefits of the Pure Balance design is its ability to reject hum often referred to as C...

Страница 20: ...estion 2 Turn off all components in your system Disconnect the input cables at the amplifier Turn the amplifier back on and see if the hum is still present If the hum disappears the fault may be in th...

Страница 21: ...in your home s electrical system In the past cold water pipes were often used for the earth ground so it is important to make sure that your ground connection is still valid and has not become loose o...

Страница 22: ...60Hz 230V 50Hz Signal to Noise Ratio 20 Hz to 20 kHz reference rated output A weighted 125 dB 126 dB reference rated output unweighted 123 dB 124 dB Residual Noise A weighted 30 microVolts 25 microVo...

Страница 23: ...nents thereof at no charge to the owner for parts and labor covered by this warranty If necessary repairs are not covered by this warranty or if a unit is examined which is not in need of repair you w...

Страница 24: ...ions on how long an implied warranty lasts and or do not allow the exclusion of incidental or consequential damages therefore the limitations and exclusions stated herein may not apply to you This war...

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