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Alesis Pro Linear 820 Studio Monitor The Alesis ProLinear 820 continues the new standard in near-field monitors set by the ProLinear 720DSP and 820DSP, but at a lower price than the 820DSP. With Alesis custom DSP technology, we have designed a speaker with same sound quality and accuracy as the 820DSP, with the extended bass and greater output over the 720 speakers. This allows the speaker to be used as a mid-field monitor as well as near-field. Clarity, imaging and transient response are truly outstanding. Bass is tight and visceral. The primary difference between the 820 and 820 DSP is the absence of the 4-band parametric EQ control present on the 820 DSP. The 820 has fixed internal crossover and EQ settings that yield the flattest, and most accurate response. State of the Art Sound at an Affordable Price The Alesis ProLinear 820 continues the new standard in near-field monitors set by the ProLinear 720DSP and 820DSP, but at a lower price than the 820DSP. With Alesis custom DSP technology, we have designed a speaker with same sound quality and accuracy as the 820DSP, with the extended bass and greater output over the 720 speakers. This allows the speaker to be used as a mid-field monitor as well as near-field. Clarity, imaging and transient response are truly outstanding. Bass is tight and visceral. The primary difference between the 820 and 820 DSP is the absence of the 4-band parametric EQ control present on the 820 DSP. The 820 has fixed internal crossover and EQ settings that yield the flattest, and most accurate response. br. ProLinear 820 Features It Begins with the Drivers Any great speaker design starts with the best drivers, and the Alesis custom drivers are exceptional. The woofer has a cast frame with an 8 Kevlar-Carbon cone and oversized magnet assembly. The Kevlar-Carbon cone has an outstanding stiffness-to-weight ratio to minimize distortion, extend bass response and provide excellent transient response. The magnet assembly provides high linearity and good efficiency. In the 820 cabinet, the woofer is flat down to 39hz (-3db, anechoically) with harmonic distortion typically below .4% above 50hz. The tweeter is a 28mm silk dome that has a very flat frequency response with a low resonance to reduce harshness. The tweeter is ferrofluid-cooled to provide good power handling and controlled response. Distortion is typically below .3% over its operating range. The tweeter's computer-designed waveguide was optimized for nearfield placement, but provides excellent imaging in most other placements. Both drivers are shielded and allow the user to place the speakers within a few inches of a computer monitor or television. With Alesis custom DSP processing, the crossover for the drivers achieves a linearity that is usually unachievable in analog monitors. This allows a smooth transition of the sound between the tweeter and woofer as well as providing proper time domain coherency. In other words, the speaker is as accurate as the drivers. The DSP also allows us to smooth out the frequency response far more effectively than is normally possible with analog monitors. The response is typically better than +/- 1dB between 100hz and 20Khz. The Cabinet Since the 820s cabinet is larger than the 720, heavy bracing was included to minimize any cabinet resonances. In addition, a coating of bitumen was applied to the inner walls to further deaden the cabinet. Venting was optimized to eliminate most of the vent noise, or chuffing, that can occur at low bass frequencies. In keeping with the Alesis track record of providing leading-edge products at an affordable price, the ProLinear 820 gives the user a speaker that is state-of-the-art in performance with the look and feel similar to other Alesis monitors. The ProLinear series of speakers extends the Alesis line of award winning monitors, and will be a worthy addition to the best studio setups.
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