Alesis RA150 Amplifier

Alesis’ RA100 power amplifier has long been a favorite choice of musicians, hobbyists and professionals alike. Now Alesis extends the RA’s range throughout the recording and production spectrum with a bold new series of affordable amps in three distinct power ratings. With their rugged construction, striking good looks – among the first examples of Alesis’ groundbreaking new approach to industrial design – and a long list of features, the new RA series will quickly find a home in project and commercial recording studios, broadcast an post-production control rooms around the world.

Product Specs

• Height:

  • 2 RU

• Rated output:

  • 4 ohms: 75 watts RMS per channel
  • 8 ohms: 45 watts RMS per channel
  • 8 ohms: 150 watts RMS, bridged mode

• Signal-To-Noise Ratio:

  • >105dB

• Frequency Response:

  • 10Hz - 70kHz +0, -3dB

• Distortion:

  • < 0.02% @ 4ohms, 20Hz - 20kHz

• Input Sensitivity:

  • +4dB for rated output

• Crosstalk:

  • -85dB, 1kHz