for Instant VIP Discounts on most gear! (Better Than Codes, and it's Free)

Alesis RA500 Reference Amplifier

alesis ra500
alesis ra500 Alesis RA500 Reference Amplifier
Images may show accessories or configurations not packaged with this item.

Be the first to review this product

Unavailable Discontinued or no longer available.
Sorry, this item is discontinued or no longer available from us. We've left this page up for reference only. Check out some of the other great alternatives on this page or click below to see if it can still be found elsewhere.
Buy on Amazon
Power your studio monitors, headphones, or home theater with Alesis Reference Amplifiers. The RA500 is quiet, efficient, and cool-operating for the demanding studio environment. The good looks and attractive prices simply add to the value of the RA500.

RA amplifiers provide more power and better performance at a lower cost-per-watt with crisp, clean signal. Designed for studio use, each RA amplifier incorporates advanced convection cooling for outstanding heat dissipation. The result is long, stable operation that is unaffected by heat-related complications, devoid of the noise of fan-cooling.

Whether you use RA series amplifiers to power studio monitors, headphones, or home theater speakers, you'll enjoy their reliable, consistent performance.

• Quiet, cool, efficient class AB power amplifier
• More power and better performance at a lower cost-per-watt than competitive amplifiers
• Crisp, clean signal
• Advanced convection cooling for outstanding heat dissipation
• Inputs: XLR3F, 1/4" TRS, RCA
• Switchable voltage (120/230 VAC)
• Front-panel volume controls

• Size: 18.9" W x 5.63" H x 10.71" D (480mm x 143 mm x 272 mm)
• Rack Units: 3RU Height
• Weight: 28.5lbs = 13.0Kg
• Rated output, per channel:
-- 4 ohms @ 1kHz, .02% THD+N : 250 watts RMS per channel
-- 8 ohms @ 1kHz, .05% THD+N : 150 watts RMS per channel
-- 8 ohms, bridged mono mode : 500 watts RMS
• Signal to Noise Ratio: 105dB, 22Hz-22kHz bandwidth referenced to rated output
• Frequency Response: 10Hz - 70kHz +0, -3dB
• Damping Factor: 200
• Slew Rate: 60 V/s (two channel), 120 V/s (bridged mono)
• Input Sensitivity: +4dBu (1.23 V) for rated output with input control at maximum
• Maximum input level: +26 dBu
• Input impedance: 20k O, balanced, 10 kO unbalanced
• Crosstalk: 85dB, 1kHz

Additional Information

Product ConditionNew - On Clearance

Alesis RA500 Reference Amplifier Reviews

How do you rate this product? *

 1 star2 stars3 stars4 stars5 stars