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DSP640.2 In-wall Active digital loudspeakers
DSP640.2 In-wall Active digital loudspeakers
$9,299
Powered by Meridian’s exclusive ‘CLASS-M’ DSP engine and integrated with ‘DYNAMIC’ Hi-Res amplifiers, the DSP640.2 is perfect for delivering Meridian’s renowned audio quality discreetly in any living or cinema room.
Please note: these are not on display at Len Wallis Audio and are order only.
Local pickup or $11 flat rate shipping within Australia
Please note: these are not on display at Len Wallis Audio and are order only.
Powered by Meridian’s exclusive ‘CLASS-M’ DSP engine and integrated with ‘DYNAMIC’ Hi-Res amplifiers, the DSP640.2 is perfect for delivering Meridian’s renowned audio quality discreetly in any living or cinema room.
With a range of Meridian enhancement technologies on-board the DSP640.2 offers great flexibility and the best possible performance from any source. Featuring high SPL and strong bass performance, it delivers full range sound with no requirement for an additional subwoofer.
Key features
> Octa-amp DSP architecture with 8 x powerful amplifiers rated over 100W RMS into 8 Ohms per drive unit, built into the speaker.
> 105dB at 4m, Single speaker (117dB at 1m).
> Full range sound with bass extension down to 35Hz.
> Optimised DSP for horizontal or vertical mounting, ideal for sound-bar or centre channel usage.
TECHNOLOGIES
With its extensive Research and Development programme Meridian has pioneered the development of a host of innovative audio technologies many of which feature in today’s Meridian products.
DIGITAL SIGNAL PROCESSING
As pioneers and leaders in the field of Digital Signal Processing (DSP) technology, Meridian is able to deliver your music authentically to recreate the passion and involvement of your musical moments. Power-efficient, active DSP crossovers are individually tailored to distribute music to each speaker, bringing your music to life.
SPEAKERLINK
Traditional audio systems often require large, expensive cables to maintain their performance. Meridian’s SpeakerLink uses an “Ethernet style” cable that delivers pristine digital sound and control down a single cable between Meridian components. The result is simple, unobtrusive, and cost-effective cables that are easy to install
FIFO BUFFERING
Each sample of a digital recording must remain evenly spaced in time. Unfortunately, timing can vary, especially when reading discs. This is “jitter”, degrading music’s sense of space and diminishing realism. Meridian’s multiple “First In, First Out” buffering system minimises jitter, ensuring perfect timing and improved clarity. You enjoy a clearer feeling of the instruments and their interrelationship.
MERIDIAN APODISING FILTER
Filters are critical in digital audio. Commonly they introduce distortion and harshness because of “pre-ringing”. Early digital recordings suffer from harshness too, due to primitive filters. After painstaking research, Meridian developed a special filter that avoids pre-ringing, so it can be steeper, cleaning up the effects of early filters. The result: a better, cleaner sound from recordings old and new.
WIDE RANGE DRIVER
Loudspeakers use crossovers to “divide” music into bands their drivers can reproduce. This introduces distortion, reducing sound quality – particularly on human voice recordings. Designing a single driver for both mid and high frequencies made a crossover within the vocal range unnecessary, avoiding distortion and reproducing more lifelike vocals at all volume levels.
ENHANCED BASS ALIGNMENT (EBA)
High or low, all sounds travel at the same speed, so all the sounds from a live musical event arrive at your ear at the same time, whatever frequencies they contain. Loudspeakers, however, have a problem when playing low frequency sounds at the same time as mid and high frequencies – the bass arrives late, and the deeper the sound, the later it arrives. This delayed bass causes music to lose its impact and reduces the sense of the recorded space – it is often described as “boomy”.
The goal is to have time-accurate loudspeakers, where all reproduced frequencies start and end at the same time. In a loudspeaker, this timing is affected by the crossover, driver, and enclosure type. To eliminate the delay between low, and mid and high frequencies, Meridian has designed a combination of digital filters and time delays for the mid and high frequencies. This solution enables the mid and high frequencies to “wait” for the low frequencies, delivering perfectly-timed music playback.
Mid and high frequencies are delayed to time-align them, while upper bass is delayed with a special type of patented filter. These features must be implemented entirely in the digital domain, making them impossible to achieve in any passive or analogue-active loudspeaker design.
Enhanced Bass Alignment provides accurate time-alignment of the drivers in the system, delivering exceptional imaging and a clear, transparent, more life like sound.
TECHNICAL
AUDIO INPUTS
Meridian SpeakerLink connector (RJ45)
AUDIO OUTPUTS
Meridian SpeakerLink connector (RJ45)
PERFORMANCE
Peak SPL: 1m – 117dB – Bass extension: 35Hz
AMPLIFIERS
Wide-range drivers (each): 2 x Class D amplifiers bridged for 100W into 8 Ohms
Bass drivers (each): 2 x Class D amplifiers bridged for 100W into 8 Ohms
BASS DRIVERS
2 x 140mm long-throw design
WIDE-RANGE DRIVERS
2 x 85mm with neodymium magnets
FRONT PANEL CONTROLS
On/off rocker switch, Fuse holder, IR window
Rocker switch selects “Right”, “L + R”, “Left or Centre”
RS232 socket – 3.5mm minijack (long version – 18.6mm)
LED indicators show power status and configuration settings
DISPLAY
LED indicators to show power status and configuration settings
POWER
IEC mains cable included with loudspeaker for connection to rough-in box
DIMENSIONS / WEIGHT
HEIGHT: 1230mm [48.5in] (Excludes frame and cable feed channel)
WIDTH: 203mm [8in]
DEPTH: 102mm [4in]
WEIGHT: 15 kg [33 lbs]
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