Special Edition DSP5200HC Digital Active Loudspeaker
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The two sockets are not hardware-set as either D1 or D2. Instead, the input numbering is determined by a setting chosen when the loudspeaker has its “Type” set. If “RJ45” was selected when the loudspeaker was Typed, then the Speakerlink input becomes “D1”. If “co-ax” was selected during Typing, then the RCA (coaxial) digital input will be assigned as “D1”.
The loudspeaker acting as the Master loudspeaker in the system can be configured to switch between its input sockets according to which source is selected on the system. This feature allows a pair of loudspeakers to be fed with two different sources of audio without additional switching hardware. Naturally, this allows the loudspeakers to be used as a simple, self-contained system with two sources, but it also allows for a pair of loudspeakers which are connected to an audio matrix or other multiroom equipment to be switched between the external feed and a source local to the room containing the loudspeakers.
In a straightforward three-way design, bass output is limited by the capabilities of the single drive unit used for the low frequencies. In the DSP5200HC, the tweeter receives the treble and one of the mid/bass drivers is sent the rest of the frequency range. The second mid/bass driver is sent purely low-frequency bass. This doubles the bass-handling of the loudspeaker without adding the inevitable blurring of the image caused when sound is crossed over between the tweeter and two mid-range drivers on the front of the loudspeaker. The “2½-way” design of the DSP5200HC combines the purity of the single treble-to-mid crossover found in a three-way design with the additional bass capability of a three-driver, two-way design.
Yes. By default, the loudspeakers have EBA enabled and the internal switch for EBA is set to change only if a loudspeaker receives the relevant command on its Speakerlink input. This is determined by the setting “EBA SL” in the configuration of the loudspeaker. Having the setting on “SL” means “do as instructed over the Speakerlink connection.” This setting can be changed to “ON” or “OFF” which switches EBA to be enabled or disabled irrespective of any command received over Speakerlink.
Yes. There are options for what the loudspeakers display. One option has the display light up briefly when the loudspeaker controls are used, but blanked in between times. For example, the display will appear to show the volume being turned up or down, but will revert to blank after a second or two.
If a Meridian product is feeding the loudspeakers from a single Speakerlink output then the loudspeaker directly connected to the source product must be set as Master. For convenience of wiring, this usually leads to the loudspeaker which is nearest to the source product being set to Master. However, it is perfectly okay to set the more-distant loudspeaker as Master as long as the cabling is arranged accordingly. IR control is possible only on the Master loudspeaker, not the Slave. So, if IR control is a requirement and one of the loudspeakers is better positioned than the other in regard to “line-of-sight” for reception of IR from the user’s remote control, then this loudspeaker may need to be made Master regardless of which is nearest to the source product.
No. Meridian DSP loudspeakers feature internal protection which, when activated, can demand high current from the mains supply in order to blow the fuse within the product. This is a deliberate aspect of their design and is a key safety feature. If, under these conditions, anything inhibits the current required to blow the fuse, the loudspeaker will be exposed to circumstances for which it was not designed. Such circumstances could result in catastrophic damage. It may be thought that this can be avoided by using a mains conditioner which boasts a current rating which is higher than that required to blow the loudspeaker’s fuse. However, the possibility of the mains conditioner itself developing a problem needs to be considered. If a problem in the conditioner restricts its current delivery capabilities, and then the loudspeaker suffers a failure as described above the fuse may not blow resulting in catastrophic damage.
This is the “High Speed” indicator. It shows that the digital signal received by the loudspeaker has a sampling rate of 88.2 kHz or higher.
These signals are upsampled to 88.2 kHz and 96 kHz respectively within the loudspeaker.
This shows that the loudspeaker has activated its first level of thermal protection. When the loudspeaker’s internal thermal model suggests that the mid-range or tweeter is too hot, the DSP section will turn down its gain slightly and the green LED comes on. Since the bass isn’t turned down the loudspeaker will sound tonally unbalanced in this state.
Centre Elevation allows the image from a centre-channel loudspeaker to be raised to be in line with the main left and right loudspeakers. In Meridian surround-sound installations where the loudspeaker is mounted horizontally below a screen, Centre Elevation can be adjusted to give the impression that centre-channel sound is coming from the screen rather than below it. The setting is selectable between a minimum, a medium or a maximum elevation effect. It can be adjusted from the menu system of any Meridian Surround Controller equipped with SpeakerLink outputs. The option also exists to set Centre Elevation on the speaker via RS232. This RS232 setting is non-volatile, so if preferred it can be selected and set to a fixed level as part of the installation process.