Quick Start Guide
Page 5
... for close placement to TVs and computer monitors • 3 EQ switches to tailor the speaker for any control room environment • XLR and 1/4" TRS Inputs M1Active 620 Monitors feature the following: • 100-watt biamplified design with active crossover • 6.5" Low Frequency woofer for punchy bass and clear midrange • 1" Silk dome tweeter for smooth highs without ear-fatiguing harshness • Top mounted power switch/clip light • Acoustical...
... for close placement to TVs and computer monitors • 3 EQ switches to tailor the speaker for any control room environment • XLR and 1/4" TRS Inputs M1Active 620 Monitors feature the following: • 100-watt biamplified design with active crossover • 6.5" Low Frequency woofer for punchy bass and clear midrange • 1" Silk dome tweeter for smooth highs without ear-fatiguing harshness • Top mounted power switch/clip light • Acoustical...
Quick Start Guide
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... whichever one connection at 1.8kHz. Rear Port - The rear port augments the bass generated by the woofer to increase the low frequency SPL over that of moving the soundstage "forward" closer to the mix position. Please see above), but please use only one makes your control room. This switch allows you try either the boosted "+" or bypassed "0" settings for placement near walls and...
... whichever one connection at 1.8kHz. Rear Port - The rear port augments the bass generated by the woofer to increase the low frequency SPL over that of moving the soundstage "forward" closer to the mix position. Please see above), but please use only one makes your control room. This switch allows you try either the boosted "+" or bypassed "0" settings for placement near walls and...
Quick Start Guide
Page 9
... a subwoofer, set this set to the lowest number to "220-240V." 10. Make sure your M1Active 520/620 speakers with reduced bass output. 9. Alternatively, you may want to use your AC Voltage Selector (see item #9 above 80 Hz, so if you pick the point at which the speaker will sound on smaller speakers (such as a TV, or radio). AC Input - This jack accepts standard 3-prong IEC power cables...
... a subwoofer, set this set to the lowest number to "220-240V." 10. Make sure your M1Active 520/620 speakers with reduced bass output. 9. Alternatively, you may want to use your AC Voltage Selector (see item #9 above 80 Hz, so if you pick the point at which the speaker will sound on smaller speakers (such as a TV, or radio). AC Input - This jack accepts standard 3-prong IEC power cables...
Quick Start Guide
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... sends audio out to the speaker. For a more portable recording setup without a mixer, you do not need any additional amplifiers and that the M1Active will accept both balanced and unbalanced signals, but we recommend balanced cabling for the woofer and tweeter. The speaker has built-in amplifiers for best performance. Remember that the line-level audio output of your mixer or digital audio workstation should be connected directly to the speakers through...
... sends audio out to the speaker. For a more portable recording setup without a mixer, you do not need any additional amplifiers and that the M1Active will accept both balanced and unbalanced signals, but we recommend balanced cabling for the woofer and tweeter. The speaker has built-in amplifiers for best performance. Remember that the line-level audio output of your mixer or digital audio workstation should be connected directly to the speakers through...
Quick Start Guide
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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 and high power handling voice coil. ¾" silk dome with magnetic shielding 56 Hz - 20 kHz 2.8 kHz >100 dB below full output, unweighted XLR and ¼" supporting both balanced and unbalanced cabling. Gain knob turned fully clockwise (maximum...
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 and high power handling voice coil. ¾" silk dome with magnetic shielding 56 Hz - 20 kHz 2.8 kHz >100 dB below full output, unweighted XLR and ¼" supporting both balanced and unbalanced cabling. Gain knob turned fully clockwise (maximum...
Quick Start Guide
Page 18
... dB(A) output SPL at 1 meter. 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 surround and high power handling voice coil. 1" silk dome with magnetic shielding 49 Hz - 20 kHz 2.8 kHz >100 dB below full output, unweighted XLR and ¼" supporting both balanced and unbalanced cabling.
... dB(A) output SPL at 1 meter. 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 surround and high power handling voice coil. 1" silk dome with magnetic shielding 49 Hz - 20 kHz 2.8 kHz >100 dB below full output, unweighted XLR and ¼" supporting both balanced and unbalanced cabling.
User Manual
Page 6
... 2: Speaker Installation. Engineering specifications and reasons why nearfield monitors have about monitors should problems occur. ✪ When something important appears in the manual, an icon (like the one on the left) will appear in a multichannel surround sound setup, you'll find helpful setup and operation information here. This chapter explains how to connect the M1 Active Mk2s to reference specific functions. This chapter contains troubleshooting tips and service information...
... 2: Speaker Installation. Engineering specifications and reasons why nearfield monitors have about monitors should problems occur. ✪ When something important appears in the manual, an icon (like the one on the left) will appear in a multichannel surround sound setup, you'll find helpful setup and operation information here. This chapter explains how to connect the M1 Active Mk2s to reference specific functions. This chapter contains troubleshooting tips and service information...
User Manual
Page 8
... any line-level source (normally, the control room output of four power amplifiers. Connect them only to Chapter 2, "Speaker Installation", for connection and placement tips. With careful design, the speaker, amplifier and electronic crossover can connect a powered speaker directly to fit inside the speaker cabinet, with very little weight or size gain. Since the M1 Active Mk2s are much louder than a single-channel power amplifier of the same wattage feeding a passive crossover, as a powered mixer or hifi receiver). About...
... any line-level source (normally, the control room output of four power amplifiers. Connect them only to Chapter 2, "Speaker Installation", for connection and placement tips. With careful design, the speaker, amplifier and electronic crossover can connect a powered speaker directly to fit inside the speaker cabinet, with very little weight or size gain. Since the M1 Active Mk2s are much louder than a single-channel power amplifier of the same wattage feeding a passive crossover, as a powered mixer or hifi receiver). About...
User Manual
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...-AMPLIFIERS & ELECTRONIC CROSSOVERS The M1 Active Mk2 uses a 75W woofer amp and a 25W tweeter amp along with the 6.5" non-woven carbon fiber (NWCF) woofer. Fourth-order filters are several advantages to only one 200W amplifier operating into a passive crossover. • Improved transient response. • Better amplifier/speaker coupling for woofers. • Better crossover performance working into a constant impedance load. • Better subjective sound quality than the traditional passive crossover used after the amplifier...
...-AMPLIFIERS & ELECTRONIC CROSSOVERS The M1 Active Mk2 uses a 75W woofer amp and a 25W tweeter amp along with the 6.5" non-woven carbon fiber (NWCF) woofer. Fourth-order filters are several advantages to only one 200W amplifier operating into a passive crossover. • Improved transient response. • Better amplifier/speaker coupling for woofers. • Better crossover performance working into a constant impedance load. • Better subjective sound quality than the traditional passive crossover used after the amplifier...
User Manual
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... of the drivers mounted on it. The regulated supply rails increase the amplifier dynamic range and reduce clipping distortion under heavy loading. About the M1 Active Mk2 THE M1 ACTIVE MK2 POWER SUPPLY The M1 Active Mk2 employs a regulated switching power supply. The entire cabinet is 1" thick MDF, to use the M1 Active Mk2s in high quality amplifiers. This type of the speaker cabinet. No user-replaceable fuse is required...
... of the drivers mounted on it. The regulated supply rails increase the amplifier dynamic range and reduce clipping distortion under heavy loading. About the M1 Active Mk2 THE M1 ACTIVE MK2 POWER SUPPLY The M1 Active Mk2 employs a regulated switching power supply. The entire cabinet is 1" thick MDF, to use the M1 Active Mk2s in high quality amplifiers. This type of the speaker cabinet. No user-replaceable fuse is required...
User Manual
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... almost any room. A new way of small monitors properly placed in a reasonably non-reverberant room and properly powered will sound in the recording business. A good set of accurate monitoring was needed: nearfield monitoring. With nearfield monitoring, the surrounding acoustic environment becomes a much less significant factor in and muddle things up " the volume. Now, even the big studios use smaller speakers to augment their definition...
... almost any room. A new way of small monitors properly placed in a reasonably non-reverberant room and properly powered will sound in the recording business. A good set of accurate monitoring was needed: nearfield monitoring. With nearfield monitoring, the surrounding acoustic environment becomes a much less significant factor in and muddle things up " the volume. Now, even the big studios use smaller speakers to augment their definition...
User Manual
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... end will work best when properly positioned in 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 Unfortunately, the board itself are more forgiving of reflections and the additional acoustic conduction into the board can also make a difference. Speaker placement on...
... end will work best when properly positioned in 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 Unfortunately, the board itself are more forgiving of reflections and the additional acoustic conduction into the board can also make a difference. Speaker placement on...
User Manual
Page 24
... inputs, so if it is designed to the specified power using the AC cables supplied. USE CLEAN POWER The M1 Active Mk2's internal power supply is still good practice to plug your monitors. Speaker Installation CONNECTIONS The M1 Active Mk2 has been designed to be connected to are turned OFF. If you cannot get the best possible performance from your sound equipment into the power system. 26 M1 Active Reference Manual Before connecting the speakers, make...
... inputs, so if it is designed to the specified power using the AC cables supplied. USE CLEAN POWER The M1 Active Mk2's internal power supply is still good practice to plug your monitors. Speaker Installation CONNECTIONS The M1 Active Mk2 has been designed to be connected to are turned OFF. If you cannot get the best possible performance from your sound equipment into the power system. 26 M1 Active Reference Manual Before connecting the speakers, make...
User Manual
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... Tip Ring Sleeve Direct connection of the connector on the "hot" connector will also work for unbalanced sources which automatically ground the minus input. Polarity: Input connector wiring is about 1/3 of the console) and the speakers. M1 Active Mk2 Reference Manual 27 The Line Input jack accepts both XLR and 1/4" input plugs wired either a 1/4" phone or "RCA phono" type. Their average signal level is printed to move outwards. A blue power indicator lamp is...
... Tip Ring Sleeve Direct connection of the connector on the "hot" connector will also work for unbalanced sources which automatically ground the minus input. Polarity: Input connector wiring is about 1/3 of the console) and the speakers. M1 Active Mk2 Reference Manual 27 The Line Input jack accepts both XLR and 1/4" input plugs wired either a 1/4" phone or "RCA phono" type. Their average signal level is printed to move outwards. A blue power indicator lamp is...
User Manual
Page 26
... off-brand connectors, particularly cheap 1/4" TRS plugs, do NOT plug the speaker output of slight dimensional differences. Speaker Installation But do not provide reliable connections because of an amplifier, receiver, or similar device into the LINE INPUT jack may use a TRS-to-TRS balanced phone cable, or an XLR-to 15 dB above that on 1/4" jacks; NOTE: Use high quality input connectors which conform to set at its normal average level, expecting...
... off-brand connectors, particularly cheap 1/4" TRS plugs, do NOT plug the speaker output of slight dimensional differences. Speaker Installation But do not provide reliable connections because of an amplifier, receiver, or similar device into the LINE INPUT jack may use a TRS-to-TRS balanced phone cable, or an XLR-to 15 dB above that on 1/4" jacks; NOTE: Use high quality input connectors which conform to set at its normal average level, expecting...
User Manual
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... rear surround. Most of these same home audio receivers have an audio-only surround mode which have no surround encoding. In practice, there is identical. Hence, mono. But it less desirable for video application make it 's much of the center channel for instance. There is no image wander, as the Circle Surround, Miles Technology and Lexicon units.) 32 M1 Active Reference Manual In the few music...
... rear surround. Most of these same home audio receivers have an audio-only surround mode which have no surround encoding. In practice, there is identical. Hence, mono. But it less desirable for video application make it 's much of the center channel for instance. There is no image wander, as the Circle Surround, Miles Technology and Lexicon units.) 32 M1 Active Reference Manual In the few music...
User Manual
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... surround sound in the home for theatrical release using surround, not monopolar (direct) monitors. • Among the recording engineers who have started broadcasting in the rear channels. This arrangement will sound like the M1 Active Mk2s as the surround speakers. VHS will be that support Dolby Digital (discrete) and DTS (discrete). Surround Sound MIXING FOR DISCRETE SIX CHANNEL REPRODUCTION: MATCHED VS. These rear speakers typically do this in mind when making music...
... surround sound in the home for theatrical release using surround, not monopolar (direct) monitors. • Among the recording engineers who have started broadcasting in the rear channels. This arrangement will sound like the M1 Active Mk2s as the surround speakers. VHS will be that support Dolby Digital (discrete) and DTS (discrete). Surround Sound MIXING FOR DISCRETE SIX CHANNEL REPRODUCTION: MATCHED VS. These rear speakers typically do this in mind when making music...
User Manual
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...". Distorted output Subwoofer being used improperly Poor mix Power amp overloading speakers Damaged speaker components Install port plugs when using the M1 Active/Surround systems, please use the following table to locate possible causes and solutions before contacting Alesis Technical Support for assistance. Speaker disconnected Check input cable connections INPUT LEVEL down level Swap channel s to input. Inputs out of similar style: time to remix your track.... Turn down Turn up input control on back panel AC power not on Blue LED on...
...". Distorted output Subwoofer being used improperly Poor mix Power amp overloading speakers Damaged speaker components Install port plugs when using the M1 Active/Surround systems, please use the following table to locate possible causes and solutions before contacting Alesis Technical Support for assistance. Speaker disconnected Check input cable connections INPUT LEVEL down level Swap channel s to input. Inputs out of similar style: time to remix your track.... Turn down Turn up input control on back panel AC power not on Blue LED on...
User Manual
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... Active Mk2/Surround speakers require no periodic maintenance. Connect the speakers to a system that is one of the drivers. OBTAINING REPAIR SERVICE Before contacting Alesis, check all your connections, and make sure they are covered with a vinyl laminate. For prompt service, indicate the RO number on this product should provide years of trouble-free use. Make sure 40 M1 Active Reference Manual Do not attempt to check whether the monitors...
... Active Mk2/Surround speakers require no periodic maintenance. Connect the speakers to a system that is one of the drivers. OBTAINING REPAIR SERVICE Before contacting Alesis, check all your connections, and make sure they are covered with a vinyl laminate. For prompt service, indicate the RO number on this product should provide years of trouble-free use. Make sure 40 M1 Active Reference Manual Do not attempt to check whether the monitors...
User Manual
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... 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 shielding, 11, 42 mounting, 19 nearfield, 15 noise, 26 phase, 39 INDEX placement, 17 horizontal, 21 surround...
... 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 shielding, 11, 42 mounting, 19 nearfield, 15 noise, 26 phase, 39 INDEX placement, 17 horizontal, 21 surround...