Floorstanding Loudspeakers
While designing the Diamond 25 mkII, we have striven at every stage to refine the sound coming out of the speakers while maintaining the signature sound philosophy of the entire series. Every element of the second generation was rethought, from the drivers to the cabinet and crossover. As a result, the lowest frequencies have gained depth, speed, and control; the midrange shows even more naturalness and neutrality, and the treble has become more detailed. .
Impedance 4 Ohm
Frequency response 36 Hz - 20 kHz
Nominal power 100 W
Max power 200 W
Efficiency 87 db
Speakers
Woofer Pylon Audio PSW 15.8.CA (Seas CA15RLY)
Mid-range Pylon Audio PSW 15.8.CA/P (Seas CA15RLY/P_CUSTOM)
Tweeter Pylon Audio PST 19.TN (Scan Speak D2010/852100)
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Unique speaker configuration
The Diamond 25 mkII stands out with its unique speaker configuration for a 2.5-way design. The upper woofer, manufactured by Norwegian Seas, has been redesigned by our engineers, and the changes are apparent at first glance. We replaced the dust cap with a phase plug, which provides a more faithful reproduction of the crucial midrange while eliminating the coloration of its higher range caused by resonances in the volume under the cap. It resulted in vocals having even more space and depth while retaining the character of its predecessor. The low end is reproduced by the proven speaker from the first generation, equipped with a long and lightweight aluminum-copper voice coil, providing an adequate supply of dynamics, speed, and versatility in reproducing the lowest registers. The two drivers have been brought closer together, making them work better together in the acoustic field, and the sound source is consistent and less sensitive to changes in listening height. In addition, both speakers are made using Spider Ring technology, designed to enhance control over the manufacturing process of high-end products. The tweeter from Danish Scan-Speak has also been updated with a more powerful neodymium magnet system, reduced voice coil mass, and eliminated ferrofluid. It delivers even better detail and microdynamics at the highest frequencies, with greater efficiency and control. Also new is the dual resonance chamber design, which further reduces the primary resonance of the tweeter. An additional advantage of this speaker is reduced nonlinear distortion.

Details that change everything
Compared to its predecessor, the design of the column underwent a gentle facelift. The Diamond 25 mkII has a steeper front and back angle, which makes it look even better, but also improves the time integration of individual frequency bands. The base of the column has been completely redesigned to create a sleeker silhouette while maintaining a timeless, minimalistic character. The tweeter’s elegant front, crafted from durable black cellular rubber for extended longevity, not only adds a touch of exclusivity but also minimizes sound wave reflections. Cabinet wall vibrations are significantly reduced thanks to carefully considered and precisely placed reinforcements and ribs. Natural sheep’s wool and a new, specially selected soundproofing material combination dampen unwanted standing waves inside the speaker cabinet. The whole set underwent testing using a laser vibrometer and our anechoic chamber to ensure that, after all the changes, the set not only looks fabulous but also sounds excellent.
Charcoal
Natural oak veneer
Oil-wax coated
Chocolate
Natural oak veneer
Oil-wax coated
Black
Natural oak veneer
Oil-wax coated
Mahogany
Natural oak veneer
Oil-wax coated
Cherry Coral
Natural oak veneer
Oil-wax coated
Walnut
Natural oak veneer
Oil-wax coated
Dark Oak
Natural oak veneer
Oil-wax coated
Smoked Oak
Natural oak veneer
Oil-wax coated
Pure
Natural oak veneer
Oil-wax coated
Natural
Natural oak veneer
Oil-wax coated
Super White
Natural oak veneer
Oil-wax coated
Dimensions (W/H/D)
165 / 980 / 410 mm
Weight
19 kg / pc.
Dedicated room size
15 - 30 m2
Speaker grill
Included, magnetic
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