Description
Manufacturer and model number DIATONE DS-20000 Accessories Stand The saran net is not included. Condition / Maintenance ?About the product DIATONE DS-20000 & DK-20000 ? We have completed a DS20000 that has been carefully restored and maintained in our store. This unit has had all of the individual speaker units removed, The enclosure and stand were painstakingly piano mirror coated. Even the back of the enclosure was painted with a mirror piano finish. The speaker frames and screws are of course beautifully dressed, The speaker frames and screws have been carefully brushed up to the smallest detail to create a superb condition that is as good as new. In addition, the boron diaphragm used in the tweeter was replaced with one that we have in stock, albeit in small quantities. The boron used in this unit has an ultra-wide range reproduction capability comparable to B&Ws diamond tweeters. It is an excellent product that can reproduce the sources with a large amount of information in recent years, such as high-resolution audio, without leaving any room for error. In addition, the woofer edges have been carefully softened to ensure a long-lasting, stress-free sound in each bandwidth. The woofer edges have been carefully softened to ensure stress-free sound in each frequency range for many years to come. The following is a quote from the website below. This speaker system was developed by Diatone Workshop using a number of acoustic and woodworking technologies. The low-frequency range is equipped with a 10.6in cone woofer using aramid honeycomb cones. Aramid fiber is an aromatic polyamide long fiber that has high strength and elasticity properties as well as light weight and moderate internal loss. By using a special matrix resin that is a special blend of aramid fiber and flexible resin for the skin material of honeycomb cones The honeycomb diaphragm is bonded to the core to form a honeycomb structure diaphragm. The edges are made of triaxial aramid fibers that exhibit uniform strength in all directions, The edge section is made of triaxially woven aramid fiber, which exhibits uniform strength in all directions, to realize a piston motion with excellent linearity and minimal rolling. The A.D.M.C.-m (Advanced Magnet Circuit-music) magnetic circuit is used in the magnetic circuit to improve response to input signals and stabilize operation against transient response, The M.M.C.-m (Advanced Magnet Circuit-music) magnetic circuit is designed to improve the response to input signals, stabilize the operation against transient response, and stabilize the operation against AC magnetic flux in the time domain. Furthermore, the air flow generated by the vibration of the diaphragm is also focused on, The back of the diaphragm, which radiates into the cabinet, has been studied in detail to improve the audible S/N. The midrange is composed of a B4C diaphragm, a B4C loudspeaker, and a B4C loudspeaker. The midrange is equipped with a 3.0in dome midrange using a B4C diaphragm. B4C boasts the second highest specific modulus after crystalline diamond, and also has moderate internal loss due to its non-metallic nature. Since this material has a high melting point of 2,450°C, it is formed by DiaTones proprietary plasma spraying method, By precisely controlling this manufacturing method, a large-diameter B4C diaphragm is realized. The diaphragm is made of a D.U.D. structure with an integrated voice coil bobbin to ensure excellent linearity with respect to input signals. The high frequency range is equipped with a 0.9in dome tweeter using a B4C diaphragm. Like the midrange, this unit uses a D.U.D. structure with an integrated voice coil bobbin. The magnetic circuit uses the D.M. (direct mounting) method, in which the plate is directly attached to the baffle plate, The large-diameter copper alloy sub-frame thoroughly suppresses unwanted resonance. System: 3-way, 3-speaker, sealed, bookshelf, magnetically shielded (EIAJ) type Low-frequency unit: 10.6in cone type Unit for mid-range: 3.0in dome type Unit used for high frequency: 0.9in dome type Rated impedance: 4? Playback frequency range: 35Hz to 80kHz Output sound pressure level: 88dB/W/m Crossover frequency: 500Hz, 5kHz Maximum input: 220W (EIAJ) Dimensions: W 14.2 x H 27.4 x D 13.3in Weight: 35kg Included: Polishing wax, polishing cloth Optional: Dedicated speaker stands DK-20000 (pair of two) Dimensions: W14.2 x H7.3 x D12.0in Weight: 9kg Model No.: DS-4NB70, Price: ³,200,000 (excl. pair), Format: 2-way bass reflex bookshelf, Unit size: 160 mm woofer x 1 cone 30 mm tweeter dome & cone, Impedance: 4?, Body dimensions: 270W x 473H x 289D (mm), Shape: old Unlike the Diatones, the shape is cut in a manner reminiscent of the AVALON. It has a large body for a bookshelf type. Black is the only color available. The bass-reflex port designed on the back is relatively large in proportion to the size of the shape, and it provides a sense of low-frequency volume similar to that of a tall-boy type. The front baffle surface is made of 36 mm thick Finnish birch wood. It is hard, has moderate tenacity, and has high damping power. The system is equipped with an original unit developed in-house. The first thing that deserves special mention is the diaphragm. The newly developed material is called “NCV-R,” which is made of carbon nanotubes and several types of resin, and despite being a resin material, it has a propagation speed that exceeds that of titanium and an internal loss equivalent to that of paper. This material is used for both woofers and tweeters to express a coherent sound quality. (Adapted from Dynamicaudio 5555, Mr. Amanos blog) Shipping from Japan with Tracking Number & Insurance. I promise fast shipping via FedEx or DHL as soon as possible! Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. These charges are normally collected by the delivering freight (shipping) company or when you pick the item up - do not confuse them for additional shipping charges.
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