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Professional Accuracy, Clarity and Performance in an Affordable Powered Monitor.
By combining Alesis' expertise in reference monitor design with their proven track record in studio amplification, Alesis' new M1 Active™ Biamplified Reference Monitor offers the incredibly accurate response that perfectly translates to every playback system. Its internal active crossover and custom-designed dual amplifiers ensure an extremely consistent performance under a variety of different studio conditions and program material. The result is a broad, extremely flat frequency response, clear imaging with a wide sweet spot, high power handling and detailed high- and mid-frequency response that only a professional powered monitor can deliver.


Specifications
Low Frequency Driver:  6.5' non-woven carbon fiber with Santoprene surround and dual magnet shielded configuration
High Frequency Driver: 1' silk dome with medium viscosity ferrofluid coolant and dual magnet shielded configuration
Crossover: 1500Hz, 8th-order, 48dB/octave filters
Input Impedance: 20k_ balanced, 10k_ unbalanced
LF Filter: 2nd order, 'optimal Q' high pass, +1dB boost@50Hz
LF Amplifier: 75 watts, 8_ load
LF Amp Distortion: less than 0.03% thd @ 30w lf amp slew rate:19V/µsec
LF Amp S/N Ratio: >110dB, ref. 60W @ 8_, A-wtg., 1kHz
HF Amplifier: 25 watts, 4_ load
HF Amp Distortion: less than 0.06% thd @ rated power
LF amp slew rate less than 9V/µsec
HF Amp S/N Ratio: >112dB @ rated output
Frequency Range: 38 Hz - 23.5 kHz (-10dB point)
Connectors: Combination XLR-1/4' jack with input level control
Dimensions: (WxHxD) 8.5'x15'x9.75' (381mm x 216mm x 248mm)
Weight: 19.5 lbs. (8.9kg) each