Quick Start Guide
Page 8
...XLR cabling. 3. Mid Boost - XLR Input - TRS Input - Rear Port - Hi Boost - We recommend you to tailor the speaker's high frequency response to set a comfortable loudness level for more on these settings. This jack functions exactly the same way as the TRS input (see the section "About... or bypassed "0" settings for more about these settings. 6. This has the effect of moving the soundstage "forward" closer to increase the low frequency SPL over that of the speaker. Back Panel 1. Gain - This knob sets the input gain of non-ported speakers. The rear port augments...
...XLR cabling. 3. Mid Boost - XLR Input - TRS Input - Rear Port - Hi Boost - We recommend you to tailor the speaker's high frequency response to set a comfortable loudness level for more on these settings. This jack functions exactly the same way as the TRS input (see the section "About... or bypassed "0" settings for more about these settings. 6. This has the effect of moving the soundstage "forward" closer to increase the low frequency SPL over that of the speaker. Back Panel 1. Gain - This knob sets the input gain of non-ported speakers. The rear port augments...
Quick Start Guide
Page 10
...This is known as a speaker moves closer to your speaker is positioned in "reinforced" bass. This happens because low frequencies radiate in bass frequencies as a "quarter-space" setting and compensates for boosted bass due to a wall and even more "directional" and ...frequencies, midrange and high frequency sounds are farther than ideal conditions, so we've added the Acoustic Space Switch to help you optimize your speakers to your studio, leave this switch set up against a wall, set this switch to the default "0" setting. About the Acoustic Space Switch The bass response...
...This is known as a speaker moves closer to your speaker is positioned in "reinforced" bass. This happens because low frequencies radiate in bass frequencies as a "quarter-space" setting and compensates for boosted bass due to a wall and even more "directional" and ...frequencies, midrange and high frequency sounds are farther than ideal conditions, so we've added the Acoustic Space Switch to help you optimize your speakers to your studio, leave this switch set up against a wall, set this switch to the default "0" setting. About the Acoustic Space Switch The bass response...
Quick Start Guide
Page 17
Gain knob turned fully clockwise (maximum). 6.5" x 10.5" x 7.75" / 16.5 cm x 26.7 cm x 19.7 cm 13.0 lbs / 6.0 kg 15 M1Active 520 Technical Specifications Woofer: Tweeter: Frequency Response: Crossover Frequency: Signal-to-Noise Ratio: Inputs: Polarity: Input Impedance: Input Sensitivity: Dimensions (W x H x D): Net Weight (each speaker): 5" lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber surround ...
Gain knob turned fully clockwise (maximum). 6.5" x 10.5" x 7.75" / 16.5 cm x 26.7 cm x 19.7 cm 13.0 lbs / 6.0 kg 15 M1Active 520 Technical Specifications Woofer: Tweeter: Frequency Response: Crossover Frequency: Signal-to-Noise Ratio: Inputs: Polarity: Input Impedance: Input Sensitivity: Dimensions (W x H x D): Net Weight (each speaker): 5" lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber surround ...
Quick Start Guide
Page 18
M1Active 620 Technical Specifications Woofer: Tweeter: Frequency Response: Crossover Frequency: Signal-to-Noise Ratio: Inputs: Polarity: Input Impedance: Input Sensitivity: Dimensions (W x H x D): Net Weight (each speaker): 6 ½" lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber ...
M1Active 620 Technical Specifications Woofer: Tweeter: Frequency Response: Crossover Frequency: Signal-to-Noise Ratio: Inputs: Polarity: Input Impedance: Input Sensitivity: Dimensions (W x H x D): Net Weight (each speaker): 6 ½" lightweight, magnetically-shielded, ultra-stiff polypropylene cone with rubber ...
User Manual
Page 9
... both the woofer and the tweeter from the beginning so that is as linear as possible, representing a flat frequency response from appropriate distances. Alesis' proprietary-design tweeter features a special wave guide baffle to improve polar response, a silk dome, and low viscosity ferrofluid formulated specifically to power handling. It is too close proximity (3" minimum) to...
... both the woofer and the tweeter from the beginning so that is as linear as possible, representing a flat frequency response from appropriate distances. Alesis' proprietary-design tweeter features a special wave guide baffle to improve polar response, a silk dome, and low viscosity ferrofluid formulated specifically to power handling. It is too close proximity (3" minimum) to...
User Manual
Page 10
...can be utilized down to the amplifiers, have been previously enumerated in the case of the M1 Active Mk2, the wide, mid-frequency polar response of frequencies from both the woofer and the tweeter will clip at about the same levels as one driver within a two driver system. .... 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. Electronic crossovers, which minimizes the interaction between...
...can be utilized down to the amplifiers, have been previously enumerated in the case of the M1 Active Mk2, the wide, mid-frequency polar response of frequencies from both the woofer and the tweeter will clip at about the same levels as one driver within a two driver system. .... 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. Electronic crossovers, which minimizes the interaction between...
User Manual
Page 12
... folded ports. In some applications, an extremely wide dispersion tweeter, such as hi-end audiophile speaker companies have a flatter characteristic frequency and power response. This arrangement aids in the M1 Active Mk2, will have found, a high quality dome tweeter, offset in other products,... This (flat power response) more constant temperature. In the tradition of the Alesis Superport design, which uses the energy from the woofer. On a horizontal polar response curve of the M1 Active Mk2, with relation to the outside of smoothing the frequency response in the 2KHz-4KHz...
... folded ports. In some applications, an extremely wide dispersion tweeter, such as hi-end audiophile speaker companies have a flatter characteristic frequency and power response. This arrangement aids in the M1 Active Mk2, will have found, a high quality dome tweeter, offset in other products,... This (flat power response) more constant temperature. In the tradition of the Alesis Superport design, which uses the energy from the woofer. On a horizontal polar response curve of the M1 Active Mk2, with relation to the outside of smoothing the frequency response in the 2KHz-4KHz...
User Manual
Page 15
...so the best way to deal with these reflective surfaces separated from reflective walls, windows and sizable objects. Speaker placement on low frequency response. In general, the smaller the room, the stronger the bottom end will work best when properly positioned in a suitable acoustic ... , although placement within your listening room. Even with them around within a larger room can affect your monitor's amplitude and phase response. Speaker Installation CHAPTER 2 SPEAKER INSTALLATION Like any speaker system, your M1 Active Mk2 speakers will be either light or heavy on ...
...so the best way to deal with these reflective surfaces separated from reflective walls, windows and sizable objects. Speaker placement on low frequency response. In general, the smaller the room, the stronger the bottom end will work best when properly positioned in a suitable acoustic ... , although placement within your listening room. Even with them around within a larger room can affect your monitor's amplitude and phase response. Speaker Installation CHAPTER 2 SPEAKER INSTALLATION Like any speaker system, your M1 Active Mk2 speakers will be either light or heavy on ...
User Manual
Page 18
... this set-up proves to be placed to the outside , of the listening triangle. This "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 But this configuration is highly... side of the engineer, the sound will increase the likelihood of hearing unwanted first reflections and a variety of phase anomalies in the offaxis response of tweeter domes and woofer cone materials and profile have made the requirement for the recording engineer. As stereo mixing techniques changed radically since ...
... this set-up proves to be placed to the outside , of the listening triangle. This "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 But this configuration is highly... side of the engineer, the sound will increase the likelihood of hearing unwanted first reflections and a variety of phase anomalies in the offaxis response of tweeter domes and woofer cone materials and profile have made the requirement for the recording engineer. As stereo mixing techniques changed radically since ...
User Manual
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... is thus easily variable depending on in-room positioning and/or personal preference. Speaker Installation PLUGGING THE PORTS TO ADJUST FOR ROOM ACOUSTICS The low frequency response of the M1 Active Mk2s can be used in a system with a subwoofer, the proper blend of the two systems is critical if low-bass... to experiment with various degrees of cloth to be expected with cloth is usually the best compromise. If the M1 Active Mk2s are as the Alesis Point One) or preamplifier has 80Hz high-pass filters built-in a room. If the subwoofer (such as follows: a) less than 1 foot from a front wall...
... is thus easily variable depending on in-room positioning and/or personal preference. Speaker Installation PLUGGING THE PORTS TO ADJUST FOR ROOM ACOUSTICS The low frequency response of the M1 Active Mk2s can be used in a system with a subwoofer, the proper blend of the two systems is critical if low-bass... to experiment with various degrees of cloth to be expected with cloth is usually the best compromise. If the M1 Active Mk2s are as the Alesis Point One) or preamplifier has 80Hz high-pass filters built-in a room. If the subwoofer (such as follows: a) less than 1 foot from a front wall...
User Manual
Page 35
... both front and rear, keep in mind that a mobile system performs best when they concentrate on your mix to intentionally limit the frequency response of the rear speakers using five identical full-range speakers and mixing primary instruments and vocals into the surround channels. They do not have... playback mediums, laser disc and DVD, that the role of the surround speaker is because professional installers have the same directionality or wide frequency response of the vehicle. VHS will also allow your mixer. This is to sound best over a well set up car audio system. This...
... both front and rear, keep in mind that a mobile system performs best when they concentrate on your mix to intentionally limit the frequency response of the rear speakers using five identical full-range speakers and mixing primary instruments and vocals into the surround channels. They do not have... playback mediums, laser disc and DVD, that the role of the surround speaker is because professional installers have the same directionality or wide frequency response of the vehicle. VHS will also allow your mixer. This is to sound best over a well set up car audio system. This...
User Manual
Page 40
... 1.5" diameter, long-wind voice coil. HIGH FREQUENCY DRIVER: 1" silk soft-dome tweeter with radiused edges to -port frequency transition. UL-approved fiberglass acoustical damping material damps... internal midfrequency reflections from rear of woofer cone before entering port, lessening IM distortion. Dual magnet structure uses top magnet in opposed ("bucking") configuration for magnetic shielding. 42 M1 Active Reference Manual Flush mount, rubber woofer trim ring allows consistent power response...
... 1.5" diameter, long-wind voice coil. HIGH FREQUENCY DRIVER: 1" silk soft-dome tweeter with radiused edges to -port frequency transition. UL-approved fiberglass acoustical damping material damps... internal midfrequency reflections from rear of woofer cone before entering port, lessening IM distortion. Dual magnet structure uses top magnet in opposed ("bucking") configuration for magnetic shielding. 42 M1 Active Reference Manual Flush mount, rubber woofer trim ring allows consistent power response...
User Manual
Page 41
... @ 2000Hz 20kΩ balanced 10kΩ unbalanced 4th order optimal Q high pass filter at 48Hz with +3 dB equalization AMPLIFIER SECTION LOW FREQUENCY AMPLIFIER Rated power output: Distortion: Slew rate: Signal-to-Noise ratio: 75 watts, 6Ω load 110dB referenced to 60 watts @ 8Ω, ...4Ω load 0.025% THD @ rated power 9V/µsec >112dB @ rated output ACOUSTIC SECTION Free-Field Frequency Response: ±2dB, 50Hz to 20KHz Lower Cutoff Frequency: 40Hz -10dB Upper Cutoff Frequency: 23.5KHz -10dB Maximum Peak SPL per pair: ≥ 118dB SPL @ 1m Maximum short term SPL: 80Hz...
... @ 2000Hz 20kΩ balanced 10kΩ unbalanced 4th order optimal Q high pass filter at 48Hz with +3 dB equalization AMPLIFIER SECTION LOW FREQUENCY AMPLIFIER Rated power output: Distortion: Slew rate: Signal-to-Noise ratio: 75 watts, 6Ω load 110dB referenced to 60 watts @ 8Ω, ...4Ω load 0.025% THD @ rated power 9V/µsec >112dB @ rated output ACOUSTIC SECTION Free-Field Frequency Response: ±2dB, 50Hz to 20KHz Lower Cutoff Frequency: 40Hz -10dB Upper Cutoff Frequency: 23.5KHz -10dB Maximum Peak SPL per pair: ≥ 118dB SPL @ 1m Maximum short term SPL: 80Hz...
User Manual
Page 42
1/4" input plugs, 27 AC cables, 26 AC power, 13, 26, 43 amplifiers, 10, 12, 43 balanced, 27 biamplified, 10 center channel, 32 crossover, 11, 43 frequency response, 43 with ports plugged, 24 front baffle, 42 fuse, 13 Ground loop, 39 grounding, 26 INPUT LEVEL, 28 detent, 29 interference, 7 LINE IN, 27 Magnetic ...
1/4" input plugs, 27 AC cables, 26 AC power, 13, 26, 43 amplifiers, 10, 12, 43 balanced, 27 biamplified, 10 center channel, 32 crossover, 11, 43 frequency response, 43 with ports plugged, 24 front baffle, 42 fuse, 13 Ground loop, 39 grounding, 26 INPUT LEVEL, 28 detent, 29 interference, 7 LINE IN, 27 Magnetic ...