Manuale d’uso / di manutenzione del prodotto Fresco del fabbricante MartinLogan
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TM F RESCO TM user ’s manual M ART I N L OGA N the loudspeaker technology company ®.
2 Contents & Introduction C ONTENTS &I NTRODUCTION Contents & Introduction . . . . . . . . . . . . . . . . . . . .2 Contents Introduction Installation in Brief . . . . . . . . . . . . . . . . . . . . . . . .3 Operation . . . . . . . . . . .
Installation in Brief 3 I NST ALLA TION IN B RIEF W e know you are eager to hear your new F resco loud- speaker , so this section is provided to allow fast and easy set up. Once you have it operational, please take the time to read, in depth, the rest of the information in this manual.
Use the best speaker cables you can. The length and type of speaker cable used in your system will have an audible effect. Under no circumstance should a wire of gauge higher (thinner) than #16 be used.
NOTE: MartinLogan recommends using 5 wall anchors to secure each F resco to a wall. During the installation, if any of the screw/wall anchor positions are over a stud, it is recommended to screw directly into the stud. NOTE: T o assure that your F resco is safely wall mounted, these instructions must be carefully followed.
6 Mounting the Fresco On A Wall or Ceiling NOTE: F resco’s bracket assembly consists of two main parts: the wall bracket (attaches to the wall) and the cabinet bracket (attaches to the F resco).
Mounting the Fresco On A Wall or Ceiling 7 Changing the Direction of Rotation Figure 7. Changing the direction of rotation—step 2..
8 Mounting the Fresco On A Wall or Ceiling Required hardware (included): (6) M4 screws Required tools (included): 2.5mm Allen tool 1 Prepare a flat surface with padding and sheets to pro- tect the speaker as you work on it.
Required hardware (included): (5) wall anchors (5) 1" Phillips head wood screws Required tools (included): 6mm Allen tool Required tools (not included): Level Electric drill and 1 / 4 " and 1 / 8 " drill bits Phillips screwdriver 1 Hold the F resco at the desired location.
10 Mounting the Fresco On A Wall or Ceiling NOTE: F igures 19–24 illustrate the F resco mounted in 4 different configurations. 3 Mark your wall with the center point for the wall bracket (see figure 19).
Mounting the Fresco On A Wall or Ceiling 11 5 Set the wall bracket aside. Using a 1 / 8 " bit, drill a pilot hole at all five points marked in the previous steps. If a pilot hole hits a stud during this step, DO NO T WIDEN that pilot hole or install a wall anchor at that location.
9 Place the F resco onto the wall bracket and carefully slide the F resco into place (see figure 23). 10 Using a 6mm Allen tool, attach a washer and cap nut onto each pin. Do not fully tighten the cap nuts (see figure 23). 11 Make the signal connections from the amplifier (see ‘ Operation ’, pages 4).
H OME T HEA TER Home Theater 13 Figure 26. F resco loudspeakers as front, center and surround (effects) channels. Grotto subwoofers as 0.1 (effects) channel. It had long been the practice of stereo buffs to connect their television to a stereo system.
14 ATF (Advanced Thin Film) AT F ( A DV ANCED T HIN F ILM ) A TF Operation The MartinLogan A TF transducer consists of a micro-thin, low-mass Kaladex diaphragm with an ultra-light, etched conductive aluminum surface suspended between two high field strength neodymium super magnet arrays (see figure 27).
Push-Pull Operation = Ideal Linearity Linearity is another factor contributing to a loudspeaker's ability to achieve ultimate clarity , detail and resolution.
16 Frequently Asked Questions and Troubleshooting F REQUENTL Y A SKED Q UESTIONS AND T ROUBLESHOOTING How do I clean my speakers? Just use a dust free cloth or a soft brush to remove the dust from your speakers. W e recommend a specialty cloth (available at the Xtatic shop at www .
System Frequency R esponse 75–20,000 Hz ± 3 dB Sensitivity 90 dB/2.83 volts/meter Impedance 5 ohms Crossover Frequency 500, 3200 Hz Components Air core coils, metal film and low dissipation electrolytic capacitors W oofer T ype T wo 4” (10.
AC. Abbreviation for alternating current. Active crossover . Uses active devices (transistors, ICs, tubes) and some form of power supply to operate. Amplitude. The extreme range of a signal. Usually mea- sured from the average to the extreme. Arc. The visible sparks generated by an electrical discharge.
Inductance. The property of an electrical circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys. Inductor . A device designed primarily to introduce inductance into an electrical circuit.
2101 Delaware Street, Lawrence, K ansas 66046, USA tel 785.749.0133 fax 785.749.5320 www .martinlogan.com M ART I N L OGA N the loudspeaker technology company ©2003 MartinLogan.
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 MartinLogan Fresco 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 MartinLogan Fresco - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso MartinLogan Fresco imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul MartinLogan Fresco ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il MartinLogan Fresco, 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 MartinLogan Fresco.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il MartinLogan Fresco. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo MartinLogan Fresco 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.
