DSP7200.2HC Digital Active Loudspeaker
The DSP7200.2HC provides full range playback in a horizontal centre channel package. Built by hand in the UK, each Meridian DSP7200.2HC is a Digital Active loudspeaker which uses Digital Signal Processing (DSP) technology. This ingenious, yet elegant design means that the loudspeaker enclosure contains the entire system’s electronics including its amplification. With all the features of the freestanding DSP7200.2, the DSP7200.2HC provides full range playback in a horizontal centre channel package.
The DSP7200.2HC is ideal for mounting on a shelf, under a large-screen TV, or behind an acoustically-transparent projection screen and in partnership with other Meridian free standing or in-wall loudspeakers. The DSP7200.2HC features unique Centre Elevation adjustment technology which raises the centre image for the perfect movie experience.
KEY FEATURES:
Outstanding performance. Four powerful wide range 150W amplifiers deliver a maximum output level of 118dB at 1m.
Advanced, high-efficiency composite dome tweeter.
Centre elevation adjustment technology raises the perceived image location for an incredibly lifelike listening experience.
On-board DSP provides thermal and dynamic bass protection – enables high level use for prolonged periods of time.
The traditional setup – amplifiers driving passive loudspeakers – is inefficient, limiting sound quality. Meridian loudspeakers contain a complete, matched audio system with efficient DSP crossovers, multiple DACs and driver-specific amplifiers, giving higher overall quality, less power use, and the performance of a traditional loudspeaker eight times the physical volume.
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
Loudspeaker enclosures often vibrate, colouring the sound, making it less lifelike. Our most advanced loudspeakers use a cabinet construction material unique to Meridian: Meridium features highest-grade laminated plywood layers bonded to an aluminium core, allowing the loudspeaker to reproduce music accurately without adding its own sound.
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.
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.
When a centre-channel loudspeaker is below the video display, that's where the sound seems to emanate, not from the screen, detracting from the experience. Loudspeakers behind the screen introduce other problems. DSP in a Meridian centre loudspeaker psychoacoustically raises the sound image to centre-screen – where we expect it for the most involving movie or concert experience.
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 SPECIFICATIONS:
AUDIO INPUTS
Meridian Speakerlink (RJ45) & S/PDIF digital input
32kHz–96kHz sampling rates at up to 24 bit with MHR support (phono) and Meridian BNC Comms Carries infra-red pickup for system automation
AUDIO OUTPUTS
1x RJ45 with balanced digital audio and control for 2nd loudspeaker
Carries infra-red pickup for system automation
PERFORMANCE
Peak SPL: 112dB at 1m (music material)
Noise less than 15dB spl. Overall distortion typically < 0.02% at any frequency or level
Frequency response In room within 3dB: 28Hz - over 20kHz
AMPLIFIERS
4 x 150w (600w)
BASS DRIVERS
2 x 200mm polypropylene long-throw bass drivers
MID DRIVERS
1 x 160mm polypropylene mid
ALUMINIUM TWEETER
1 x 25mm Meridian piston in short horn, aluminium dome with silver voice-coil.
DSP SPECIFICATION
1 x Freescale 56367 running at 150MHz
4 x 24-bit Multi-bit delta-sigma DACs with 128x oversampling
Active bass/mid crossover - minimum-phase at 2.6kHz
Bass protection Response correction for the whole system
User tone controls
Analogue/digital volume and phase control
DISPLAY
Eight-character display with system lights, can be blanked
DIMENSIONS / WEIGHT
HEIGHT; 295mm [11.6in]
WIDTH: 1060mm [41.7in]
DEPTH: 478.25mm [18.8in] (At deepest point)
WEIGHT: 64kg [141lbs]
POWER
100-125; 200-250V AC 50-60Hz