Manuale d’uso / di manutenzione del prodotto M1 del fabbricante Alesis
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Contents/Safety Warnings M1 A CTIVE R EFERENCE M ANUAL 1 Introduction Thank you for purchasing the Alesis M1 Active Biamplified Reference Monitor. To take full advantage of the M1 Active’s operation, and to enjoy long and trouble-free use, please read this user’s manual carefully.
Contents/Safety Warnings 2 M1 A CTIVE R EFERENCE M ANUAL C ONTENTS Important Safety Instructions ................................................ 3 Safety symbols used in this product .............................................................3 Please follow these precautions when using this product: .
Contents/Safety Warnings M1 A CTIVE R EFERENCE M ANUAL 3 I MPORTANT S AFETY I NSTRUCTIONS Safety symbols used in this product This symbol alerts the user that there are important operating and maintenance instructions in the literature accompanying this unit.
Contents/Safety Warnings 4 M1 A CTIVE R EFERENCE M ANUAL 12. Use only with a cart, stand, bracket, rack, or table designed for use with professional audio or music equipment. In any installation, make sure that injury or damage will not result from cables pulling on the apparatus and its mounting.
Contents/Safety Warnings M1 A CTIVE R EFERENCE M ANUAL 5 votre sécurité. Si le cordon secteur ne rentre pas dans la prise de courant, demandez à un électricien qualifié de remplacer la prise. 10. Evitez de marcher sur le cordon secteur ou de le pincer, en particulier au niveau de la prise, et aux endroits où il sor de l’appareil.
Contents/Safety Warnings 6 M1 A CTIVE R EFERENCE M ANUAL 13. Die Wartung sollte nur durch qualifiziertes Fachpersonal erfolgen. Die Wartung wird notwendig, wenn das Gerät beschädigt wurde oder aber .
Contents/Safety Warnings M1 A CTIVE R EFERENCE M ANUAL 7 Information to the User for Class A Digital Device (FCC Part 15, Class A) This equipment has been tested and found to comply with the limits for a class A digital device pursuant to Part 15 of the FCC Rules.
Contents/Safety Warnings 8 M1 A CTIVE R EFERENCE M ANUAL CE D ECLARATION OF C ONFORMITY Approvals pending. See enclosed sheet if product was authorized for shipment to the EU.
About the M1 Active M1 A CTIVE R EFERENCE M ANUAL 9 Your M1 Active Biamplified Reference Monitors were packed carefully at the factory, and the shipping carton was designed to protect the speakers during shipping. Please retain this container in the highly unlikely event that you need to return the speakers for servicing.
About the M1 Active 10 M1 A CTIVE R EFERENCE M ANUAL Inside your new speakers ✪ If you’re in a hurry to get started, skip ahead to Chapter 2, “Speaker Installation”, for connection and placement tips. About powered monitors The M1 Actives combine a speaker and amplifiers in the same compact cabinet.
About the M1 Active M1 A CTIVE R EFERENCE M ANUAL 1 1 along with the closed cell synthetic rubber surround, are both nearly impervious to ozone, direct sunlight, heat and humidity. Therefore, after an initial break-in period (about 20 hours), the sound should remain virtually unchanged for the life of the product.
About the M1 Active 12 M1 A CTIVE R EFERENCE M ANUAL • Improved transient response. • Better amplifier/speaker coupling for woofers. • Better crossover performance working into a constant impedance load. • Better subjective sound quality than high level (passive) networks.
About the M1 Active M1 A CTIVE R EFERENCE M ANUAL 1 3 The cabinet and port design The M1 Active cabinet construction employs vinyl composite material laminated to a .625” MDF (medium density fiberboard) core for the four sides and the rear. The front panel is 1” thick MDF, to withstand the greater demands of the drivers mounted on it.
About the M1 Active 14 M1 A CTIVE R EFERENCE M ANUAL About Nearfield monitoring In the early days of recording, most recording studios used big monitor speakers almost exclusively. Unfortunately, they also required high powered amplifiers and expensive acoustic treatment (often poorly done) of the entire control room.
Speaker Installation M1 A CTIVE R EFERENCE M ANUAL 1 5 monitor system to be either light or heavy on the bottom, try moving them around within your listening room. You should avoid locating your M1 Actives near reflective surfaces such as glass, tile, large open walls or table tops.
Speaker Installation 16 M1 A CTIVE R EFERENCE M ANUAL Moving the monitors to a position behind the meter bridge causes the bridge to block the offending reflective path Random Reflections Careful consideration should also be given to the physical spacing between the speakers.
Speaker Installation M1 A CTIVE R EFERENCE M ANUAL 1 7 Stereo nearfield placement of the M1 Active NOTE: We recommend that the M1 Active speakers be placed with the tweeters to the inside , not the outside, of the listening triangle.
Speaker Installation 18 M1 A CTIVE R EFERENCE M ANUAL Proper tweeter orientation is toward the stereo image center (the middle) as shown. Ports are always faced toward the bottom side of the cabinet. This set-up will promote a strongly focused center image such as for the vocalist.
Speaker Installation M1 A CTIVE R EFERENCE M ANUAL 1 9 Vertical Placement Recommendation Vertical placement of the M1 Active as shown in Figure 3 is highly recommended. This position will simulate the soundfield that will be heard in most consumers’ homes and (to a great extent) their cars.
Speaker Installation 2 0 M1 A CTIVE R EFERENCE M ANUAL Playback check mode (vertical mid-field) After you’ve got your mix just right it’s always good practice to perform a “playback check” by standing the M1 Actives vertically and making the listening triangle larger.
Speaker Installation M1 A CTIVE R EFERENCE M ANUAL 2 1 Plugging the ports to adjust for room acoustics The low frequency response of the M1 Actives can be custom tailored by plugging the ports.
Speaker Installation 2 2 M1 A CTIVE R EFERENCE M ANUAL Connections The M1 Active has been designed to be as simple as possible to set up and use. However, please follow the instructions to ensure that you get the best possible performance from your monitors.
Speaker Installation M1 A CTIVE R EFERENCE M ANUAL 2 3 Input Connections Almost any conventional line-level source may be plugged into the M1 Active’s LINE INPUT jack. The Line Input jack accepts both XLR and 1/4” input plugs wired either balanced or single ended (unbalanced).
Speaker Installation 2 4 M1 A CTIVE R EFERENCE M ANUAL 1/4” jacks; you may use a TRS-to-TRS balanced phone cable, or an XLR-to-1/4 inch phone TRS (tip-ring-sleeve) cable, as shown below. The advantage of using an XLR on the speaker side is that it is a locking connector and cannot be accidentally disconnected.
Speaker Installation M1 A CTIVE R EFERENCE M ANUAL 2 5 For the technically-minded, here is an approximate chart of SPL levels for various settings of the INPUT LEVEL control, measured at 1 meter from .
Speaker Installation 2 6 M1 A CTIVE R EFERENCE M ANUAL C HAPTER 3 S URROUND S OUND About surround sound Surround sound is the term used for several different systems which use multiple channels of playback in the listening room to recreate a truly three-dimensional sound experience.
Surround Sound M1 A CTIVE R EFERENCE M ANUAL 2 7 center or right and center) is identical. Hence, mono. In the few music-only recordings encoded in Dolby Pro Logic, the derived center channel could lead to some drastic changes in spatial perception.
Surround Sound 2 8 M1 A CTIVE R EFERENCE M ANUAL equal levels, the “sweet spot” listening area will become very large but the “wall-of- mono” effect mentioned above (in regards to music) will be of little consequence since most of the dialogue will be mixed specifically into the center channel.
Surround Sound M1 A CTIVE R EFERENCE M ANUAL 2 9 Placement of rear surrounds The following suggestions for optimal M1 Active placement are derived from several sources: 1) Standard industry practice f.
Surround Sound 3 0 M1 A CTIVE R EFERENCE M ANUAL Wall mounting Once your have located the general area for the horizontal and vertical position, you need to find a wall stud.
Surround Sound M1 A CTIVE R EFERENCE M ANUAL 3 1 Mixing for discrete six channel reproduction: matched vs. specialized speakers While most speaker systems for monitoring music in surround use the same.
Surround Sound 3 2 M1 A CTIVE R EFERENCE M ANUAL The use of M1 Actives (or any monopolar speaker) as full-range surrounds would be useful in the following cases: • If the surround speakers are just as important as the fronts in achieving a specialized effect, such as completely mixing the sax in the left rear only and a flute in the right rear.
Troubleshooting M1 A CTIVE R EFERENCE M ANUAL 3 3 Maintenance Cleaning The cabinet surfaces of the M1 Active are covered with a vinyl laminate. Clean these surfaces when necessary with a lint-free cloth dampened in warm soapy water. USE ONLY A DRY CLOTH ON THE BACK PANEL OF THE POWER AMPLIFIER.
Troubleshooting 3 4 M1 A CTIVE R EFERENCE M ANUAL Refer All Servicing to Alesis We believe that the M1 Active is one of the most reliable powered monitors that can be made using current technology, and should provide years of trouble-free use. However, should problems occur, DO NOT attempt to service the unit yourself.
Troubleshooting M1 A CTIVE R EFERENCE M ANUAL 3 5 Customers outside the USA and Canada: Contact your local Alesis distributor for any warranty assistance.
Specifications 3 6 M1 A CTIVE R EFERENCE M ANUAL Medium viscosity ferrofluid cooling extends power handling while retaining impulse response capability. Dual magnet structure uses top magnet in opposed (“bucking”) configuration for magnetic shielding.
Specifications M1 A CTIVE R EFERENCE M ANUAL 3 7 Crossover section Crossover type: Eighth order, 48dB/octave Linkwitz-Riley @ 1500Hz Input Impedance: 20k Ω balanced 10k Ω unbalanced Low Frequency .
Specifications 3 8 M1 A CTIVE R EFERENCE M ANUAL dispersion, 19 frequency response, 10, 37 with ports plugged, 21 fuse, 12 grounding, 22 INPUT LEVEL, 24 detent, 24 interference, 7 LINE IN, 23 Magnetic.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Alesis M1 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Alesis M1 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Alesis M1 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Alesis M1 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Alesis M1, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Alesis M1.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Alesis M1. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Alesis M1 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
