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Explains the conventional hi-fi system setup from source to speaker.
Meridian advocates for integrated systems where all components work harmoniously for optimal performance.
High-level analogue signal processing in passive crossovers requires compromises in component quality and design.
Proposes operating crossovers at line level before amplification for better component quality and design flexibility.
Meridian's M1 Active Speaker pioneered placing active crossover and amplification within the speaker enclosure.
Active crossovers offer design flexibility for phase, amplitude, and complex filter curves, independent of driver matching.
Direct connection of amplifiers to drivers allows full control over the entire range, including resonance damping.
Active systems are more efficient, requiring less power for the same output due to optimized design and no crossover losses.
Bass extension (f), cabinet volume (V), and efficiency (e) are related by e = V/f³ x K, influencing design choices.
Active systems, treated as a total design, allow modification of constants like K to improve bass extension for a given cabinet size.
Meridian's "Interactive Bass" system provides extended bass, equivalent to an octave more, compared to passive speakers of similar size.
Specific alignments minimize bass driver cone movement for a given output, reducing distortion and improving control.
Dither is needed when signals fade, preventing quantization distortion and ensuring low-level detail is preserved.
At low levels, fewer bits represent the signal, leading to quantization distortion where detail disappears.
Adding noise (dither) to the signal smooths out quantization distortion and improves the preservation of low-level detail.
Digital design in active speakers avoids long analogue cables, reducing noise and simplifying connections.
In Meridian DSP speakers, digital signal processing is utilized to implement the crossover function.
DSP enables "impossible" crossovers with linear phase, steep slopes, and time delay compensation for precise sound.
Accurate phasing allows beam steering and axis control for precise tailoring of sound to the listening position.
Meridian's balance control adjusts time delays, not just levels, to compensate for listener position and optimize imaging.
Meridian DSP speakers use 48-bit internal resolution, with additional bits created during DSP operations for preservation.
DSP enables additional features like tone controls, loudness controls, and dynamic bass extension with protection.
DSP compensates for the ears' reduced sensitivity to bass and treble at low listening levels, improving perceived accuracy.
The "head" section of Meridian DSP speakers (e.g., DSP8000) produces most sound from 200 Hz up, crucial for localization.
Human-sized loudspeakers are preferred because psychoacoustic research indicates humans are best adapted to appreciate this size.
Cabinet design emphasizes rigidity and damping using multiple layers of wood and metal to prevent unwanted movement.
DSP6000/DSP8000 feature side-firing, horizontally opposed woofers for zero net movement and dead cabinets with no ringing.
Popular Mechanics praises Meridian DSP8000 for engineering, aesthetics, and extraordinary deep bass with stable cabinets.
Stereophile considers the system state-of-the-art, particularly for bass extension and control, with Meridian ruling supreme.
What Hi-Fi describes the DSP5000 as a 'music system' offering high acoustic volume, dynamic bass control, and user adjustability.
Hi-Fi News & Record Review states that Meridian speakers are exceptionally intelligent and advanced.
Sound & Image highlights the DSP7000 series implementing DSP8000 technology in a more compact form.
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