Manuale d’uso / di manutenzione del prodotto ESL 2905 del fabbricante QUAD
Vai alla pagina of 20
ESL 2805 & ESL 2905 the closest appr oach to the original sound. Reference series.
2.
Q u a d E S L T h e C o n t e m p or a ry E l e ct r o s ta t i c L o u d s pe a k e r D e s i g n T he new ESL-2805 and ESL-2905 Electrostatics are Quad’ s latest reference loudspeakers and like their predecessors should be regarded amongst the finest loudspeakers in the world toda y .
4 Quad products stand alone in the hi-fi world - renowned for their longevity; quality of build; and consistently high standard of performance. Our award- winning service department regularly maintains products over 50 years in age. Products whic h still bring their owners immeasurable pleasure.
c l o s e r a p p r o a c h . . . A mo ving-coil speaker consists of a wire coil suspended inside a magnet. When an audio signal passes through the coil a varying magnetic field is set up w hich interacts with the magnet and causes the coil to mov e back and forth.
6 Although deeply flawed, their cost and convenience adv antages are such that the overw helming majority of loudspeakers in toda y’ s marketplace are moving-coil, and at Quad we manufacture some of the finest examples of this genre. But, as a counsel of perfection, we ha ve to look elsew here.
"I know of no other speaker I'd rather own, regardless of price. I think it's the finest hi-fi purc hase you could ever make in terms of performance and v alue-yes, it's that good. Speaker of the year? Nah. Speaker of the centuries.
8 A perfect point source produces a spherical w av e pattern. T he air particle movement at a plane some distance from the source. An identical movement in the ESL membrane produces and identical wa ve front T he membrane carries a constant charge. T he c harge on the electrodes fluctuates according to the music signal.
C on s t r uc t i o n p r o c e ss o f a n E S L 2 9 0 5.
Whilst for most ESL customers the important factor is performance with two-c hannel stereo sour ces, be those analogue or digital, for a growing number of customers 'home cinema' or even multi-channel music is now also becoming an important consideration.
"By the highest standards, the 2905s get everything right to a degree that had me shaking my head in a we. T his is easily one of the most revealing and accurate loudspeakers I ha ve ever heard.
12.
Ask many of the most respected music industry professionals in the world what their speaker of choice is - the answer is surprisingly common. The Quad ESL opens a window on a recording unlike any other speaker . More hi-fi critics regard the Quad ESL as an absolute reference for their listening than any other loudspeaker .
T he ESL-2905 is the larger of the two models - it employs a grand total of six electrostatic panels; the inner two utilising the concentric rings of anodes used to create the point source image. T he ESL-2905 has a fifty-percent greater diaphragm area than its smaller brother .
Quad ESL 2905 Horizontal Directivity.
16 T he ESL-2805 is the smaller of the two models and uses four panels rather than six. The inner two panels of the ESL-2805 again utilise the concentric anode rings for point source imaging, and the outer rings are again linear in their response.
Quad ESL 2805 Horizontal Directivity.
S p e c i f i c a t i o n s 18 Model ESL 280 5 ESL 2905 Construction F ormat T ype Membrane P anel Elements T ime Dela y Chassis Structure Acoustic Performance Maximum Output Sensitivity Impedance Imp.
Loudspeakers • L-ITE2 5.1 System • L-ITE2 Mini Loudspeaker - P air • L-ITE2 Centre Loudspeaker - Single • 9L2 Loudspeaker - P air • 11L2 Loudspeaker - P air • 12L2 Loudspeaker - P air • .
Qu.ESL.8.2006 Quad Electroacoustics Ltd, IA G House, Sovereign Court, Ermine Business P ark, Huntingdon, Cambs, PE29 6XU T el :- 01480 447700, F ax :- 01480 431767 www .quad-hifi.co.uk T he information in this brochure is subject to change without notice.
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 QUAD ESL 2905 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 QUAD ESL 2905 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso QUAD ESL 2905 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul QUAD ESL 2905 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il QUAD ESL 2905, 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 QUAD ESL 2905.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il QUAD ESL 2905. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo QUAD ESL 2905 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.
