User manual MERIDIAN DSP LOUDSPEAKER

[. . . ] Meridian DSP Loudspeaker User Guide ii Preface Important safety instructions Read the instructions. Install only in accordance with the manufacturer's instructions. · Refer all servicing to approved service personnel. · Do not disassemble ­ no user-servicable parts inside. [. . . ] · PCM using IEC958, or MHR connection support with auto-detection. Cabinet · Entire speaker manufactured from interlaminated panels. · Finished in high-gloss piano lacquer. · 8-character display with system lights. · DSP7200: 350mm x 1072mm x 415mm (13. 8" x 42. 2" x 16. 3") (W x H x D). · DSP7200HC: 1060mm x 295mm x 478mm (41. 7" x 11. 6" x 18. 8") (W x H x D). · DP7200HC: 64kg (141lb). Signal processing · 1 x Motorola 56367 running at 150MHz. · 4 x 24-bit Multi-bit delta-sigma DACs with 128x oversampling. · Crossover linear-phase ±30º at 2. 6kHz. Output stages · Power amplifiers: Complementary bipolar design, with output-stage error correction and twin loop design. · Treble: 150W. Power · 100-125; 200-250V AC 50-60Hz. Meridian Audio reserves the right to amend product specifications at any time. Acoustic 3 way. Bass drive unit: 2 x 200mm (8") high-efficiency longthrow custom drivers. · Mid drive unit: 1 x 160mm (6") custom polypropylene driver using phase plug. · Treble drive unit: 1 x 25mm (1") Meridian piston in short horn, aluminium dome with silver voice-coil. · · · · 19 Connecting up the DSP loudspeakers Connecting up the DSP loudspeakers This chapter explains how you should connect your DSP loudspeakers to the other audio equipment in your system. 20 Connecting up the DSP loudspeakers Connecting the loudspeakers Back panel The following diagram gives details of the back panel connections: MERIDIAN SPEAKERLINK INPUT OUTPUT MERIDIAN COMMS INPUT OUTPUT DIGITAL INPUT OUTPUT We do not recommend the use of cables longer than 50 metres. Only connect the cables to the output of a Meridian product. Connecting using the Meridian BNC Comms and digital co-axial connectors The following table gives details of these connections: Use this connection To connect to this The BNC COMMS connection on a Meridian control unit or preamplifier. The BNC COMMS INPUT on a second DSP loudspeaker. A digital source such as a Meridian G Series digital sound processor, digital preamplifier, CD player, or DVD player. A second (slave) DSP loudspeaker. Meridian SpeakerLink connections Meridian BNC Comms connections Digital co-axial connections MERIDIAN COMMS INPUT MERIDIAN COMMS OUTPUT DIGITAL INPUT You can connect to the DSP loudspeakers using either the RJ45 SpeakerLink connectors, or the Meridian BNC Comms and digital co-axial connectors. Connecting using Meridian SpeakerLink The Meridian SpeakerLink connectors provide both balanced digital and Meridian Comms control in a single RJ45 cable. The following table gives details of these connections: Use this connection MERIDIAN SPEAKERLINK INPUT DIGITAL OUTPUT To connect to this A digital source with a Meridian RJ45 SpeakerLink connector, such as a Meridian G Series digital sound processor, digital preamplifier, CD player, or DVD player. A second (slave) DSP loudspeaker. The Comms connections should be made with BNC to BNC cables. Suitable cables are available from your Meridian dealer. Standard computer BNC to BNC cables may also be used. [. . . ] Note: This may be deliberate by your dealer. Sound is odd or mono · Check that the DSP loudspeakers are correctly configured as Left and Right respectively. Configuring the DSP loudspeaker does not have any effect Make sure that you are configuring the DSP loudspeaker used as the master digital loudspeaker in the system. This determines the configuration of all digital loudspeakers in the system. Unit goes silent when played hard and displays `Hot` The DSP loudspeakers have a temperature sensing system on board, which prevents overheating of the electronics. The sound will continue when the speaker has cooled. The green indicator flashes or stays on This indicates that DSP clipping is occurring. Brief flashes indicate occasional clipping which will not be audible. [. . . ]