Offered this vintage Alesis RA-100 in good and working condition. Main Features: • 100 watts per channel into 4Ω, 75 watts per channel into 8Ω • Dual clipping indicators alert you of any type of non-linear operation, notjust clipping • Output short circuit protection to minimize down time and protect theamplifier’s circuitry • Massive, conservatively rated, custom-designed extruded heat sinks(individual for each channel) for cool operation • No ventilation fan is needed, allowing for quiet operation and reducedambient noise in the studio • Extremely low noise and distortion; suitable for quiet applications such asrecording studios, church installations, and museums Specs: Frequency response: 20Hz to 20kHz Total harmonic distortion: 0.05% Damping factor: 200 Input sensitivity: 0.5V Signal to noise ratio: 100dB Dimensions: 19 x 3.5 x 8 inches In optical fair condition, some scratches on the top Power cord included Manual easy to find online Watch the photo's to see the details.