Choosing the Alesis RA150 class AB reference amplifier for your studio is choosing quiet, efficient, and cool-operating power. Ready to stand up to the most professional of studio needs, the affordable 2RU Alesis RA150 reference amplifier sports advanced convection cooling, which delivers exceptional heat dissipation — without the noise of fan-cooling. There are also RCA and 1/4" TRS inputs, so you can power whatever you need — your studio monitors, your headphones system, or home theater — with the Alesis RA150.

Delivers quiet, efficient, and cool-operating power
The Alesis RA150 class AB power amplifier — a member of Alesis's RA "Reference Amplifier" series — brings quiet, efficient, and cool-operating power to any demanding studio environment. Plus, it's stylishly designed and attractively priced, to give you a surprising value. The RA140 power amplifier offers 75W RMS at 4 ohms per channel, 45W RMS at 8 ohms per channel, and 150W RMS at 8 ohms bridged.

Outstanding heat dissipation — devoid of the noise of fan-cooling
Purpose-designed for studio use, the RA150 reference amplifier features advanced convection cooling. This system delivers outstanding heat dissipation, for long, stable operation — unaffected by typical heat-related complications, and devoid of the noise of fan cooling. The Alesis RA150 is perfect for the studio environment.

Offers you great performance, at an excellent cost-per-watt value
Whether you need to power your studio monitors, your home theater, or your headphones system, you can count on the Alesis RA150. This reference amplifier is a true performer, giving you a lot of wattage for its reasonable price.

Features:

• Class AB power amplifier, designed for use in studios
  
• Dissipates heat through advanced convection, so there's no fan noise
  
• Features easy-to-access, front-panel volume controls
  
• Delivers serious bang for the buck from a cost-per-watt standpoint

Specs:

• 4 ohms, per channel: 75W RMS
  
• 8 ohms, per channel: 45W RMS
  
• 8 ohms, bridged: 150W RMS
  
• Inputs: RCA, 1/4" TRS
  
• Signal-to-noise Ratio: >105dB, 22Hz-22kHz bandwidth referenced to rated output
  
• Frequency Response: 10Hz-70kHz, +0, -3dB
  
• Damping Factor: 200
  
• Input Sensitivity: +4dBU (1.23 V) for rated output with input control at maximum
  
• Maximum Input Level: +26dBu
  
• Input Impedance: 20 k-ohms, balanced, 10 k-ohms unbalanced
  
• Crosstalk: -85dB, 1kHz
  
• Output offset: +/- 50mV, Servo controlled
  
• 2 RU (Rack Units)
  
• Weight: 15 lbs.

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