Alesis RA150 Reference Power Amplifier

Alesis RA150: High-Performance, Silent Studio Amplification

The Alesis RA150 is a dedicated studio reference amplifier designed to provide clean, reliable power for passive monitors and headphones. As part of the respected RA series, the RA150 offers a significant performance boost over standard amplifiers, delivering more power and lower distortion at a competitive cost-per-watt. Whether you are building a professional editing suite in Dubai or a home recording studio in the UAE, the RA150 ensures your audio is reproduced with surgical accuracy and zero background noise.

Advanced Convection Cooling for Total Silence

In a critical studio environment, the noise of a cooling fan can be the difference between a perfect mix and a missed detail. The Alesis RA150 utilizes advanced convection cooling to dissipate heat naturally. This fanless design provides several key advantages:

• Silent Operation: Eliminates acoustic interference and fan hum from your rack, allowing for accurate monitoring of quiet passages and subtle transients.
• Long-Term Stability: The robust heat-sink design ensures consistent performance even during long mixing sessions without the risk of thermal shutdown.
• Reduced Maintenance: Without moving parts like fans, the RA150 is less prone to dust buildup and mechanical failure.

Versatile Power and Expressive Dynamics

The RA150 is built to handle the diverse power needs of modern passive speakers. Its Class AB architecture is tuned for transparency, providing a crisp, clean signal that extends the life of your monitors. It offers flexible power configurations to suit your setup:

• Stereo Output: 75 Watts RMS per channel at 4 Ohms or 45 Watts RMS per channel at 8 Ohms.
• Bridged Mono: 150 Watts RMS at 8 Ohms for high-power single-channel applications.
• High Dynamic Range: A signal-to-noise ratio of over 105dB ensures a massive floor for your audio, capturing everything from deep lows to shimmering highs.

Professional Connectivity and Control

Designed for easy integration into any rack setup, the RA150 features a 2RU (Rack Unit) height and a rugged industrial chassis. The front panel includes easy-to-access volume controls and LED output level meters for instant visual feedback. On the rear panel, you will find both balanced 1/4-inch TRS and unbalanced RCA inputs, along with heavy-duty binding post (banana) outputs, ensuring compatibility with a wide range of professional audio interfaces and passive monitors.

Technical Specifications

• Power Output: 75W RMS @ 4 ohms, 45W RMS @ 8 ohms, 150W RMS @ 8 ohms (bridged).
• Frequency Response: 10Hz - 70kHz (+0, -3dB).
• Signal-to-Noise Ratio: >105dB (22Hz-22kHz bandwidth).
• Distortion (THD): < 0.02% @ 4 ohms, 20Hz - 20kHz.
• Damping Factor: 200.
• Input Sensitivity: +4dBU (1.23 V) for rated output.
• Crosstalk: -85dB @ 1kHz.
• Rack Space: 2 RU.
• Weight: 6.8 kg (15 lbs).

Experience the power of silence. Order the Alesis RA150 from Gigstore today and elevate your monitoring precision to professional levels.