Manuale d’uso / di manutenzione del prodotto DSP33 del fabbricante Meridian America
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Meridian DSP 33 Digital Loudspeaker System user guide.
i Preface Meridian DSP33 Digital Loudspeaker System User Guide.
Preface ii Sales and service in the UK Meridian Audio Ltd Stonehill Stukeley Meadows Cambs PE18 6ED England Tel␣ ␣ (01480) 52144 Fax␣ ␣ (01480) 459934 World Wide Web http://www.
iii Preface Contents Introduction 1 Introduces the DSP33 Digital Loudspeaker System, and gives guidelines and suggested layouts to help you plan your surround system. The DSP33 Digital Loudspeaker System ...............................................
Preface iv Troubleshooting 35 Provides suggested solutions to typical problems. Troubleshooting ..................................... 36 Service and guarantee .
Introduction 1 Intr oduction T he Meridian DSP33 Digital Loudspeaker System combines the latest acoustic and drive unit technology with multiple built-in power amplifiers and advanced high precision digital signal processing.
2 Introduction The DSP33 Digital Loudspeaker System incorporates the result of several years of research and development into innovative technologies. Digital Signal Processing Digital Signal Processi.
Introduction 3 Power amplifiers The speakers are driven by two high-power low-feedback power amplifiers. The combination of idealised magnetic design, careful star earthing, and very fast output devices give the amplifiers extremely low noise, high detail, and fast bass.
4 Introduction Meridian Comms The DSP33 Digital Loudspeaker System is part of the Meridian family of advanced digital, analogue, and video components, and these incorporate a sophisticated communicati.
Introduction 5 Sample configurations Meridian DVD Player DSP33 Meridian Surround Processor DSP33 DSP33 D1500 DSP33 rear DSP33 rear Meridian Digital Compact Theatre™ Five DSP33 loudspeakers can be used in conjunction with a Meridian Surround Processor to create a compact surround system with superb music and cinema sound.
6 Introduction DSP33 Digital Loudspeaker System Meridian DVD Player DSP33 DSP33 512 The DSP33 can be connected directly to almost any source that provides a PCM SPDIF output, including CD or DVD players, some PC soundcards, and digital satellite decoders.
Introduction 7 Specification Digital inputs 2 x cable, 75 Ω , IEC958, 32-96kHz. FIFO locks at 44.1, 48, 88.2, or 96kHz ± 150ppm. 1 x digital output cable, 75 Ω, IEC958, providing a copy of the selected input. Processing 1 x Motorola 56364 running at 100MHz.
8 Introduction Available accessories The DSP33 is shipped ready to be used as the front speakers in a small Meridian Digital Theatre with a Meridian DVD Player (such as the 800 or 580) or a Meridian Digital Surround Controller (such as the 861, 568, or 561).
Setting up the DSP33 Digital Loudspeaker System 9 Setting up the DSP33 Digital Loudspeaker System T his chapter explains how to install the DSP33 Digital Loudspeaker System. It describes what you should find when you unpack the speakers, how you should connect them to your other audio equipment, and the siting constraints.
10 Setting up the DSP33 Digital Loudspeaker System Unpacking Radio interference FCC Warning : This equipment generates and can radiate radio frequency energy and if not installed and used correctly in accordance with our instructions may cause interference to radio communications or radio and television reception.
Setting up the DSP33 Digital Loudspeaker System 11 Positioning the digital loudspeakers Safety warnings ❍ Do not expose the speakers to dripping or splashing. ❍ Do not place any object filled with liquid, such as a vase, on the speakers. ❍ Do not place naked flame sources, such as lighted candles, on the speakers.
12 Setting up the DSP33 Digital Loudspeaker System To obtain the best sound For best results adjust the position of the loudspeakers while listening to music. If possible, have the most acoustically absorbent wall in the room behind the front speakers.
Setting up the DSP33 Digital Loudspeaker System 13 Back panel Connecting the loudspeakers The following diagram gives details of the rear panel connections: MERIDIAN COMMS RS232 OUTPUT INPUT DIGIT AL .
14 Setting up the DSP33 Digital Loudspeaker System Digital connections The following table gives details of the digital audio inputs: Use this input To connect to this DIGITAL INPUT 1, A digital source, such as a digital DIGITAL INPUT 2 preamplifier, digital control unit, CD player or DVD player.
Setting up the DSP33 Digital Loudspeaker System 15 To connect two DSP33 loudspeakers in a Meridian system DIGIT AL OUTPUT COMMS COMMS OUTPUT INPUT DIGIT AL INPUT OUTPUT 2 1 S5 lead DSP33 – Main R DS.
16 Setting up the DSP33 Digital Loudspeaker System To connect three or more DSP33 loudspeakers in a Meridian surround system DSP33 Centre (master) DIGIT AL OUTPUTS COMMS S5 lead M5 lead S5 lead (digit.
Setting up the DSP33 Digital Loudspeaker System 17 To connect two DSP33 loudspeakers to a Meridian CD Player or other digital source DIGIT AL OUTPUT COMMS COMMS OUTPUT INPUT DIGIT AL INPUT OUTPUT 2 1 S5 lead DSP33 – Main R DSP33 – Main L M5 lead COMMS OUTPUT INPUT DIGIT AL INPUT OUTPUT 2 1 CHANNEL CHANNEL 512 Remote Eye D5 lead 508.
18 Setting up the DSP33 Digital Loudspeaker System To use the DSP33 as a multimedia speaker with a PC The DSP33 can be controlled via its RS232 port using any terminal emulation software such as HyperTerminal.
Using the DSP33 Digital Loudspeaker System 19 Using the DSP33 Digital Loudspeaker System I n systems with a Meridian preamplifier or control unit all of the functions of the DSP33, including volume, tilt, and bass, are operated via the controller.
Using the DSP33 Digital Loudspeaker System 20 When not playing, the digital loudspeakers should be left in the standby state. This uses a negligible amount of electricity, but ensures that the components of the loudspeakers operate at maximum efficiency from the moment you start.
Using the DSP33 Digital Loudspeaker System 21 The digital loudspeakers adjust the volume in precise steps of 1dB, where 9dB is equivalent to doubling the loudness, and can be varied in the range 1 to 99dB.
Using the DSP33 Digital Loudspeaker System 22 The balance control of the DSP33 Digital Loudspeaker System uses digital signal processing to compensate for an off-centre listening position by delaying and diminishing the sound in one speaker, thus effectively shifting the speaker’s image back.
Configuring the DSP33 loudspeakers using a computer 23 Configuring the DSP33 loudspeakers using a computer T he DSP33 Digital Loudspeaker System provides a range of configuration options, which you can change to suit your own preferences and the other equipment in your system.
24 Configuring the DSP33 loudspeakers using a computer The Meridian Configuration program is a stand-alone Windows- based application that lets you design your own configuration of the DSP33 Digital Loudspeaker System to suit your own personal preferences and the particular configuration of equipment in your system.
Configuring the DSP33 loudspeakers using a computer 25 Button Option Function New Creates a new settings file. Open Opens an existing settings file. Save Saves the current settings file to disk. Fetch Fetches the current configuration of the attached product.
26 Configuring the DSP33 loudspeakers using a computer To connect the serial cable The serial cable is symmetrical, and can be connected either way round. ● Connect one end to the RS232 connector on the back panel of the DSP33 loudspeaker. ● Connect the other end to one of the serial ports on the PC or PC notebook computer.
Configuring the DSP33 loudspeakers using a computer 27 A new settings file will be created for you, with the initial name MSF1 , and the Meridian window will show a Digital active loudspeaker icon to identify the product you are configuring.
28 Configuring the DSP33 loudspeakers using a computer To display the settings ● Double-click the Digital active loudspeaker icon, to open it and display the settings it contains. The left-hand panel of the Meridian window will change to show the following two icons: Settings is the initial configuration in the settings file.
Configuring the DSP33 loudspeakers using a computer 29 If you choose Meridian surround controller the Start volume , Tilt , and Bass options are controlled by the surround controller, and will be greyed out in the Meridian Configuration program. ● Set the Speaker use to Normal for a main or surround speaker, or Centre for a centre speaker.
30 Configuring the DSP33 loudspeakers using a computer For best results with a Meridian D1500 or D2500 subwoofer choose Free , Boundary , or Corner as appropriate. If you have specified the Speaker Use as Centre you can apply a Centre Speaker tilt offset , which is added to the Tilt value for the selected source.
Configuring the DSP33 loudspeakers using a computer 31 To configure the source options ● Select the source in the list of sources. The settings for the source are shown in a panel to the right: To change the name used to identify the source when using RS232 control: ● Choose a name from the Name drop-down menu.
32 Configuring the DSP33 loudspeakers using a computer Choosing Unused prevents the source from appearing when you press the corresponding source key on the Meridian System Remote. The name used to identify each source is shown in the list of sources, followed by the Meridian System Remote key used to select the source in brackets.
Configuring the DSP33 loudspeakers using a computer 33 Advanced Specify the Advanced options as follows: ● Select Poor digital audio source if you have difficulty locking to the source.
34 Configuring the DSP33 loudspeakers using a computer Completing the configuration The final stage in creating a settings file is to save it, and then store it to the speaker.
Troubleshooting 35 T roubleshooting T his chapter provides suggested solutions to typical problems that may occur when setting up the digital loudspeaker(s). If you are still not able to resolve a difficulty with the help of this guide and the suggestions in the following pages, please contact your Meridian dealer or Meridian Audio Ltd.
36 Troubleshooting Green indicator on back panel not lit Check the following: ❍ There is AC power connected to the socket on the back of the DSP33. ❍ The power switch on the back panel of the DSP33 is turned on. If the DSP33 will still not illuminate, check any fuses in your power supply and the fuse in the inlet of the DSP33.
Troubleshooting 37 ❍ Ensure that the receiver uses well-screened antenna cable. ❍ Relocate the receiver with respect to the DSP33. ❍ Connect the receiver and this product to different AC outlets. ❍ If the problem persists contact your dealer. Centre not working There may be a connection problem.
38 Troubleshooting Only the master loudspeaker plays ❍ Check the S5 cables are connected correctly. Sound is odd or mono ❍ Check the channel selector switches on both loudspeakers are correctly set.
Troubleshooting 39 Service and guarantee Service The Meridian components have been carefully designed to give years of untroubled service. There are no user-serviceable parts inside the case, nor do the units require any form of maintenance.
40 Troubleshooting.
41 Index Index A Accessories 8 Audio inputs, digital 14 B Back panel 13 Balance 22 Bass 32 C Centre speaker not working 37 using DSP33 as 15 Communications connections 14 Components 10 Computer, confi.
Index 42 T Tilt 32 Toolbar buttons 25 Troubleshooting 35 U Unpacking 10 V Volume adjusting 21 muting 21.
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 Meridian America DSP33 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 Meridian America DSP33 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Meridian America DSP33 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Meridian America DSP33 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Meridian America DSP33, 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 Meridian America DSP33.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Meridian America DSP33. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Meridian America DSP33 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.
