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Tannoy DC10A Speakers
Tannoy DC10A
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Posted On 20.08.2025
Last Update On 20.08.2025 Tannoy DC10A
Tannoy DC10A Tannoy DC10A Tannoy DC10A Tannoy DC10A Tannoy DC10A Tannoy DC10A Tannoy DC10A
Description Original Description is in English, other language texts are translations and can contain errors. EnglishDeutschSpanishTurkish Very good with original outer boxes.

The DC10A is the largest and most expensive speaker in Tannoy’s Definition series, and they make no bones about the fact that the driver technology that took me aback is decades old. However, that driver -- and the rest of this speaker -- has been created by implementing that tried-and-true technology with modern-day knowhow.The DC10A’s tweeter, which has a 2” aluminum-alloy dome, nests very deeply inside a 10” midrange-woofer with a paper-pulp cone. The tweeter is aided by what Tannoy calls a Pepperpot Waveguide. This has small holes at its base, the part closest to the tweeter diaphragm, followed by a fairly long tapered tube that transitions into the midrange-woofer’s cone. The midrange-woofer itself has a double surround, presumably for greater linear excursion, and is augmented by two large-diameter ports on the rear panel, which can be stopped with foam plugs (provided) should there be too much bass for your room. Tannoy claims for the DC10A a -6dB low-frequency limit of 28Hz, which is deep, and an upper-frequency limit of 22kHz.Both the tweeter and the midrange-woofer have alnico magnet systems, which Tannoy makes quite a to-do about. Alnico magnets are made primarily from aluminum (Al), nickel (Ni), and cobalt (Co), hence the name. Supposedly, only rare-earth magnetic materials such as neodymium create stronger magnets (out of commonly available materials). Alnico makes for a powerful motor system that, in combination with the large midrange-woofer cone and some serious horn loading on the tweeter, results in a claimed sensitivity of 93dB/2.83V/m, which is pretty high -- the DC10A will play superloud on very few watts. Furthermore, the DC10A’s impedance is said to be a moderate 8 ohms, which will make it pretty easy to drive, and is likely why Tannoy specifies a minimum amplification of just 30W. However, they also spec a maximum amplification of 300W, with a peak-power rating of 600W. If an amp can deliver the juice, this speaker can take it.The DC10A’s tweeter and midrange-woofer hand off to each other at a very low 1.1kHz, with second-order slopes on each. That low crossover point was likely chosen to ensure that the big midrange-woofer doesn’t beam (i.e., narrow its dispersion) too much. According to Tannoy’s literature, in designing the crossover the designers took a “simple, straight” approach of fewer parts for the highest fidelity. To reduce resonances and further improve performance, they’ve damped the crossover components with what Tannoy calls DMT, and have gone a step further by cooling the assembled crossover to -190°C, then slowly thawing it over a specified period of time. This cryogenic treatment supposedly “permanently reduces internal stresses in the microstructure of the crossover’s components, joints and conductors, leading to further improved signal transfer and greater resolution of fine detail.”Of course, there’s also what the DC driver is bolted to: the cabinet, which is over 40” tall, almost 14” wide, and nearly 18” deep. At first I thought it was made from layered MDF, as are most cabinets these days that have similarly curved sidewalls, but it’s actually layered birch, chosen for its acoustic properties. The supplied grilles are magnetically attached and cover about two-thirds of the front baffles, starting at the top, but should be left off for critical listening.Not outwardly visible but accessible from the cabinet’s bottom is an empty space. Tannoy calls this a Mass Loading Cavity, and says that it “can be fully or partly filled with a range of particle materials from fine mineral aggregates to dedicated loudspeaker ballast.” When filled, this cavity is said to improve the tightness, detail, and control of the DC10A’s bass.Tannoy DC10A footerI didn’t really like the shape of the DC10A, even with its curved sidewalls -- it looked less than elegant in my room -- but I did admire the color and quality of the High Gloss Cherry real-wood veneer the review pair was finished in. (High Gloss Black and Dark Walnut, also of real wood, are available.) I also liked the metal trim around the midrange-woofer and on the bottom of the baffle, as well as the two-piece plinth of solid aluminum that bolts securely to the cabinet’s base, and holds the superthick spikes, which gave the DC10A a sure footing on my carpeted floor.Tannoy DC10A binding postsI don’t usually fuss much over binding posts, but the DC10A’s pairs of WBT NextGen connectors, which permit biamping or biwiring, are doozies -- of excellent quality, they tighten securely over spades, but also make a firm connection with banana plugs. If, like me, you’re not into biwiring or biamping, Tannoy also supplies good jumpers. There’s also a fifth connector; connected to an amplifier, it grounds the speaker’s driver frame through the amp “to reduce potential RF interference in the audio system.” I have no RF problems in my system, so I didn’t feel the need to connect it, but it may come in handy with some systems.

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