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Datasat - RA7300 - 300 Watt 7-Channel Reference-grade Amplifier is available to buy in increments of 1

Datasat - RA7300 - 300 Watt 7-Channel Reference-grade Amplifier

Datasat - RA7300 - 300 Watt 7-Channel Reference-grade Amplifier

The Datasat RA7300 Multi-Channel Power Amplifiers bring a new level of quality, definition and impactful dynamic range to high-end home theater and multi-channel music systems. Perfect for anything from small media systems to dedicated top of the line home cinemas or even to outfit an entire home or estate, its advanced circuitry and careful design delivers one of the industry’s most powerful, versatile and quietest power amplifiers.

The fully balanced differential design of the RA7300 doubles amplifier speed (slew rate) while reducing noise by 50%. Dual thermal sensors control very low-speed fans with substantial heat sinks. The fan only operates when program material requires additional cooling to ensure fan noise is always masked by the content. In addition, dual DC servos ensure DC offset is minimized and thermal track transistors maintain the amplifier at its optimum bias point independent of its temperature.

The result is consistently low distortion and extremely quiet operation that provides highly accurate and refined music and soundstage reproduction. The RA7300 can support the latest multi-channel digital surround sound formats for outstanding audio quality even in the most demanding operating conditions.

The RA7300 is designed to be versatile and is rated for 4 and 8 ohm loads. With a rated output of 300 watts RMS into seven channels at 8 ohms, the RA7300 is powerful enough to deliver consistently excellent performance in any system.

The RA7300 amplifier is designed to complement Datasat’s RS20i high-end audio processor as well as the RA2400 stereo amplifier providing the ultimate listening experience for luxury home cinema.


  • The quietest amplifiers available
  • Innovative, modular design
  • Enhanced versatility
  • Extended connectivity
  • Consistent, thermal-independent operations
  • Advanced circuitry
  • Efficient standby


Power Output
300 watts RMS x 7 channels @ 8ohms
450 watts RMS x 7 channels @ 4ohms

Frequency Response: 20Hz-20kHZ, +0, -0.25dB
THD, 20Hz-20kHz: <0.05%
THD, 1kHz, rated power: <0.005%
IMD: <0.05%

Front view – black and silver
3/4 side view – black
rear panel view – with zoom capability
Internal photos – it’s a beauty inside and we should

Dual AC cords
User selectable for any of 8 channels from DB25 input connector via rear panel gold-plated sealed DIP switches.

Power Bandwidth, 10Hz-80kHz: minus 0.6dB @ 80Hz

Voltage Gain: 27.1dB
Slew Rate: >40/us
Crosstalk @ 1kHz: >80dB
Input impedance: 50kΩ (Balanced, 25kΩ each leg)
Input Sensitivity: 2.16V

Circuit topology
Fully balanced design utilizing thermal track, current feedback and DC Servo.

Input: RCA unbalanced, XLR balanced, DB25 balanced
Output: 5-way binding posts, DB25 pass through

Remote Trigger Voltage: 3-24V

More Details
Signal-to-Noise ratio (20Hz-20kHz)
Reference rated output, ‘A’ weighted: >125dB
Reference rated output, unweighted: >123dB
Residual noise, ‘A’ weighed: <30 microVolts

Damping Factor: >200 to 2kHZ

Fan cooled, 5 Rack Chassis
H/W/D: 22.23cm x 43.18cm (48.26cm with rack ears) x 53.34cm
8.75" x 17"(19" with rack ears) x 21"
Uses 5RU (Feet removed)
Weight: 123lbs (55.8 kg)
Weight shipping: 163lbs
Power requirements: 120V, 60Hz & 230V,50Hz

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