Popular Prices, Powerful Performance. Even with the increasing use of powered speakers, many popular speakers and headphones still require external amplification. These new amps are designed to provide more power and better performance at a lower overall cost per watt than even our own RA100 as well as any other competing models. As a result, they can more closely match the power needs of virtually any passive speaker or studio monitor, offering a significantly better fit for an exceptionally wide range of budgets, applications, and customers. And providing a crisp, clean signal for outstanding performance and extended speaker life. Cool, Quiet Operation. Designed for studio use, each RA Series amp incorporates advanced convection cooling for heat dissipation. The result is long, stable operation unaffected by heat-related complications, without the added distraction and annoyance of fan cooling. And eliminating the danger of losing hard-to-hear details due to noisy amp performance. The New Leaders in Affordable Studio Amplification. Three new RA Series amps RA150, RA300, and RA500 providing a bold and powerful answer to the question, "What's next from Alesis?" Combined with our popular RA100, they offer a wide range of high-quality, popularly priced solutions for virtually any and every situation. Rated output: 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 Inputs: 1/4" TRS and RCA Outputs: 1/4" and push clip |
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