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ALESIS CONTACT INFORMATION Alesis Studio Electronics, Inc. All rights reserved. Reproduction in whole or in part is prohibited. E-Mail: info@alesis.com Website: http://www.alesis.com "M1 Active Mk2" and "Superport" are trademarks of Alesis Studio Electronics, Inc. www.alesis.com Do not use this address for repair service. Alesis M1 Active Mk2 Reference Manual © Copyright 2001-2005, Alesis Studio Electronics, Inc.
ALESIS CONTACT INFORMATION Alesis Studio Electronics, Inc. All rights reserved. Reproduction in whole or in part is prohibited. E-Mail: info@alesis.com Website: http://www.alesis.com "M1 Active Mk2" and "Superport" are trademarks of Alesis Studio Electronics, Inc. www.alesis.com Do not use this address for repair service. Alesis M1 Active Mk2 Reference Manual © Copyright 2001-2005, Alesis Studio Electronics, Inc.
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... 39 Maintenance 40 SPECIFICATIONS 42 Enclosure 42 Transducers 42 Crossover section 43 Amplifier Section 43 Acoustic Section 43 General 43 INDEX 44 M1 Active Mk2 Reference Manual 1 Contents/Safety Warnings CONTENTS Introduction 2 ABOUT THE M1 ACTIVE MK2 9 Unpacking and Inspection 9 Inside your new speakers 10 About Nearfield monitoring 15 SPEAKER INSTALLATION 17...
... 39 Maintenance 40 SPECIFICATIONS 42 Enclosure 42 Transducers 42 Crossover section 43 Amplifier Section 43 Acoustic Section 43 General 43 INDEX 44 M1 Active Mk2 Reference Manual 1 Contents/Safety Warnings CONTENTS Introduction 2 ABOUT THE M1 ACTIVE MK2 9 Unpacking and Inspection 9 Inside your new speakers 10 About Nearfield monitoring 15 SPEAKER INSTALLATION 17...
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... vital when operating the M1 Active Mk2s. 2 M1 Active Reference Manual Though we recommend you take full advantage of the M1 Active Mk2's operation, and to a mixer or other line-level source and discusses proper speaker placement for purchasing the Alesis M1 Active Mk2 Biamplified Reference Monitors. Chapter 2: Speaker Installation. We value any comments...
... vital when operating the M1 Active Mk2s. 2 M1 Active Reference Manual Though we recommend you take full advantage of the M1 Active Mk2's operation, and to a mixer or other line-level source and discusses proper speaker placement for purchasing the Alesis M1 Active Mk2 Biamplified Reference Monitors. Chapter 2: Speaker Installation. We value any comments...
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...contain the following items: • This instruction manual • M1 Actives with the same serial numbers as mirror-imaged pairs. The M1 Active Mk2s are both on the shipping cartons • Two AC power cords (NEMA to CEE type) • Alesis warranty card ✪ It is important to ... for servicing. If you have not already filled out your warranty card and mailed it back to Alesis, please take the time to protect the speakers during shipping. M1 Active Mk2 Reference Manual 9 Please retain this container in the highly unlikely event that you have received a pair where the...
...contain the following items: • This instruction manual • M1 Actives with the same serial numbers as mirror-imaged pairs. The M1 Active Mk2s are both on the shipping cartons • Two AC power cords (NEMA to CEE type) • Alesis warranty card ✪ It is important to ... for servicing. If you have not already filled out your warranty card and mailed it back to Alesis, please take the time to protect the speakers during shipping. M1 Active Mk2 Reference Manual 9 Please retain this container in the highly unlikely event that you have received a pair where the...
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... and high frequencies are self-powered, DO NOT connect them to the speaker output of such devices (+4 dBu nominal, +24 dBu maximum). 10 M1 Active Reference Manual Connect them . About the M1 Active Mk2 INSIDE YOUR NEW SPEAKERS ✪ If you're in a hurry to get started, skip ahead to Chapter 2, "Speaker...
... and high frequencies are self-powered, DO NOT connect them to the speaker output of such devices (+4 dBu nominal, +24 dBu maximum). 10 M1 Active Reference Manual Connect them . About the M1 Active Mk2 INSIDE YOUR NEW SPEAKERS ✪ If you're in a hurry to get started, skip ahead to Chapter 2, "Speaker...
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... to 20KHz ±2dB. (see p. 21) Additionally, the use of electronic crossovers within the critical midrange frequencies. M1 Active Mk2 Reference Manual 11 ABOUT THE DRIVERS The M1 Active Mk2's 6.5" woofer cone is a major component. The shielded tweeter utilizes a vented pole piece ...will always remain constant. This material is 25% lighter than polypropylene with a separate rear chamber to get "right" during a mix. Alesis' proprietary-design tweeter features a special wave guide baffle to improve polar response, a silk dome, and low viscosity ferrofluid formulated specifically ...
... to 20KHz ±2dB. (see p. 21) Additionally, the use of electronic crossovers within the critical midrange frequencies. M1 Active Mk2 Reference Manual 11 ABOUT THE DRIVERS The M1 Active Mk2's 6.5" woofer cone is a major component. The shielded tweeter utilizes a vented pole piece ...will always remain constant. This material is 25% lighter than polypropylene with a separate rear chamber to get "right" during a mix. Alesis' proprietary-design tweeter features a special wave guide baffle to improve polar response, a silk dome, and low viscosity ferrofluid formulated specifically ...
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... low pass electronic crossover filters centered at exactly the same time. There are steep (24 dB per octave rolloff) high pass filter. 12 M1 Active Reference Manual Also, clipping caused by low frequency overload is only possible through the use of this system employs an electronic time alignment circuit. The M1 Active...
... low pass electronic crossover filters centered at exactly the same time. There are steep (24 dB per octave rolloff) high pass filter. 12 M1 Active Reference Manual Also, clipping caused by low frequency overload is only possible through the use of this system employs an electronic time alignment circuit. The M1 Active...
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... cabinet is eliminated. And lastly, full power can be maintained even with the large transformer and output capacitors in high quality amplifiers. M1 Active Mk2 Reference Manual 13 PWM provides protection from line voltage surges that may be internally modified or used with any input voltage in any country simply by using...
... cabinet is eliminated. And lastly, full power can be maintained even with the large transformer and output capacitors in high quality amplifiers. M1 Active Mk2 Reference Manual 13 PWM provides protection from line voltage surges that may be internally modified or used with any input voltage in any country simply by using...
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At the same time, this 45° angle increases the port's air entry efficiency. 14 M1 Active Reference Manual The dual ports on the M1 Active Mk2 are cut with the cabinet placed vertically, the tweeter response at a more closely characterizes the ...the cabinet's centerline. This arrangement aids in the 2KHz-4KHz range. This (flat power response) more constant temperature. In developing the M1 Active Mk2, Alesis engineers determined that dual ports, offset to enhance bass performance, the M1 Active Mk2s use dual, front baffle mounted, long folded ports. Thus, acoustically ...
At the same time, this 45° angle increases the port's air entry efficiency. 14 M1 Active Reference Manual The dual ports on the M1 Active Mk2 are cut with the cabinet placed vertically, the tweeter response at a more closely characterizes the ...the cabinet's centerline. This arrangement aids in the 2KHz-4KHz range. This (flat power response) more constant temperature. In developing the M1 Active Mk2, Alesis engineers determined that dual ports, offset to enhance bass performance, the M1 Active Mk2s use dual, front baffle mounted, long folded ports. Thus, acoustically ...
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... path between the speaker and the listener by making it wasn't the way most recording studios used big monitor speakers almost exclusively. M1 Active Mk2 Reference Manual 15 Still, a well-constructed big monitoring system really was not the best way to accurately mix music because it shorter, thereby giving less opportunity for...
... path between the speaker and the listener by making it wasn't the way most recording studios used big monitor speakers almost exclusively. M1 Active Mk2 Reference Manual 15 Still, a well-constructed big monitoring system really was not the best way to accurately mix music because it shorter, thereby giving less opportunity for...
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... closed spaces. You should be a major source of the surrounding room acoustics, it is via a reflection off the mixer main control panel: M1 Active Mk2 Reference Manual 17 The first path is the direct one, and the second is always prudent to deal with nearfield monitors, speaker placement and the acoustics of...
... closed spaces. You should be a major source of the surrounding room acoustics, it is via a reflection off the mixer main control panel: M1 Active Mk2 Reference Manual 17 The first path is the direct one, and the second is always prudent to deal with nearfield monitors, speaker placement and the acoustics of...
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... speaker placement also couples acoustic energy from , and slightly behind the meter bridge causes the bridge to block the offending reflective path 18 M1 Active Reference Manual
... speaker placement also couples acoustic energy from , and slightly behind the meter bridge causes the bridge to block the offending reflective path 18 M1 Active Reference Manual
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... should be given to the physical spacing between the speakers. This will widen the prime listening position somewhat. M1 Active Mk2 Reference Manual 19 length sides. Note that the distance between the listener and either the bottom (for vertical placement) or cabinet side nearest... the ports (for stereo applications equal the distance between the speakers for horizontal placement). Alesis recommends that both speakers are accommodated by more than one engineer are turned in somewhat, so that the prime listening position ...
... should be given to the physical spacing between the speakers. This will widen the prime listening position somewhat. M1 Active Mk2 Reference Manual 19 length sides. Note that the distance between the listener and either the bottom (for vertical placement) or cabinet side nearest... the ports (for stereo applications equal the distance between the speakers for horizontal placement). Alesis recommends that both speakers are accommodated by more than one engineer are turned in somewhat, so that the prime listening position ...
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... "comb filtering" causes the mid-to-high frequency tones to get louder, then softer, then louder again as you move your mix. 20 M1 Active Reference Manual Fortunately, recording techniques have changed toward the listener. In the M1 Active Mk2, advances in crossover design technologies and improvements in the exact center position...
... "comb filtering" causes the mid-to-high frequency tones to get louder, then softer, then louder again as you move your mix. 20 M1 Active Reference Manual Fortunately, recording techniques have changed toward the listener. In the M1 Active Mk2, advances in crossover design technologies and improvements in the exact center position...
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... either sidewalls or the console coloring your mix. This setup will be conducive to see over the speakers and into the studio. M1 Active Mk2 Reference Manual 21
... either sidewalls or the console coloring your mix. This setup will be conducive to see over the speakers and into the studio. M1 Active Mk2 Reference Manual 21
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... an image of the "sweet spot". For this wide a dispersion pattern in a control room with the M1 Active Mk2s set up vertically. 22 M1 Active Reference Manual Speaker Installation VERTICAL PLACEMENT RECOMMENDATION Vertical placement of the M1 Active Mk2 as shown in too-close proximity to the speakers can add strong reflections...
... an image of the "sweet spot". For this wide a dispersion pattern in a control room with the M1 Active Mk2s set up vertically. 22 M1 Active Reference Manual Speaker Installation VERTICAL PLACEMENT RECOMMENDATION Vertical placement of the M1 Active Mk2 as shown in too-close proximity to the speakers can add strong reflections...
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... got the requisite distances from the side and back walls, it 's always good practice to perform a "playback check" by the listening room. M1 Active Mk2 Reference Manual 23 It is in this configuration that you do in a "typical" home listening environment. If you get this vertical position, the M1 Active Mk2 becomes...
... got the requisite distances from the side and back walls, it 's always good practice to perform a "playback check" by the listening room. M1 Active Mk2 Reference Manual 23 It is in this configuration that you do in a "typical" home listening environment. If you get this vertical position, the M1 Active Mk2 becomes...
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.... It shows the approximate bass attenuation that can occur from bass sources placed several feet apart in a room. If the subwoofer (such as the Alesis Point One) or preamplifier has 80Hz high-pass filters built-in for these situations are as follows: a) less than 1 foot from a front wall... than 1 foot from a front wall and a corner: plug both ports The "plug" can be placed less than one port plugged. 24 M1 Active Reference Manual See Figure 5 below. If the speakers must be wad of cloth to completely block the port(s) or a more porous material like fiberfill which will have...
.... It shows the approximate bass attenuation that can occur from bass sources placed several feet apart in a room. If the subwoofer (such as the Alesis Point One) or preamplifier has 80Hz high-pass filters built-in for these situations are as follows: a) less than 1 foot from a front wall... than 1 foot from a front wall and a corner: plug both ports The "plug" can be placed less than one port plugged. 24 M1 Active Reference Manual See Figure 5 below. If the speakers must be wad of cloth to completely block the port(s) or a more porous material like fiberfill which will have...