Alesis RA-500

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.

Features

DC coupled, fully complementary discrete amplifier topologyActively biased, dual differential input stagesWide bandwidth, low distortion designFully protected from all fault conditionsLED output level metering Front panel level controlsOverload/Fault indicatorsBridged mono operationBalanced 1/4” & RCA single-ended input connectorsXLR input connectors Heavy-duty, dual binding post output connectorsRelay-controlled turn on/offSilent, convection-cooled designHeavy-duty steel chassis

Technical Data

Height: 3 RU
Rated output:
- 4 ohms: 250 watts RMS per channel
- 8 ohms: 150 watts RMS per channel
- 8 ohms: 500 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
Output offset: +/- 50 mV, Servo controlled
Dimensions: 480mm x 143 mm x 272 mm
Weight: 13,0kg