Inside In-wall Speakers

Posted on by Mark Hughes on January 29th, 2011 | 0 Comments »

In-wall speakers have come a long way since the first models, which were essentially repurposes car-stereo speakers. That dramatic improvement over the past decade is due largerly to the boom in “architectural” audio products driven by the advent of flat-screen TVs, any-room home theater systems, and wholehouse audio. While audio quality frequently takes a back seat to aesthetics in many installations, a growing number of high-performance in-wall speaker systems from well-regarded brands like B&W, MartinLogan, and Thiel can give their freestanding counterparts a run for their sonic money.

Less well known is Triad, which has been crafting high-quality in-wall and on-wall speakers as well as conventional monitors for 23 years. Triad’s speakers are mainly available from custom A/V dealers, and almost all of them are built to order. Whereas many In-wall Speakers suppliers assume that sound quality is going to be secondary, and build and price their models accordingly. Triad starts with the premises that there’s no reason an in-wall model can’t sound as good as freestanding one.

Any maker of In-wall Sspeakers has to deal with the often harsh environment into which its product is placed. Many companies either use the wall cavity as the enclosure of offer back boxes to try to tame some of the space’s inherent sonic inconsistencies. But Triad’s models have completely engineered, sealed enclosures, much like those for freestanding speakers. This has two main benefits. Since the speaker’s performance is more predictable, it can be fine-tuned. And sound doesn’t bleed into adjacent rooms – a common issue with open-backed models.

Take, for example, Triad’s InWall Silver/4 LCR model, which is designed for use as the front speaker in home theaters with a wall depth of at least 4 inches. (There’s also a 6-inch version.) The enclosure is made of dense, accoustically inert Medite medium-density fiberboard (MDF), not particleboard. Rather than screw the pieces together, Triad glues and then cures them to form an airtight, sealed cabinet. An extensive network of internal braces imparts structural rigidity and helps eliminate standing waves. Several types of foam are used inside the enclosure to eliminate internal reflections (which can exit through the cones of the larger drivers as distortion).

Almost all of Triad’s speakers use drivers built specifically for the company by well-regarded Scandinavian suppliers. For example, the Silver/4 LCR has two Peerless 6.5-inch midrange drivers and a Vifa 1-inch soft-dome tweeter, arranged in a D’Appolito array, where the tweeter is flanked by the midranges. The crossover are mounted on the rear of the enclosure, along with the speaker terminals. The Silver/4 LCR is fully magnetically shielded and finished with a curved Acoustimesh metal grille that can be painted to match any color. The speaker can be installed either during construction using new-constriction brackets, which mount between standard wall studs, or in existing walls using slide-out retrofit brackets.

Triad speakers aren’t inexpensive – In-wall Speakers models range from $500 to $3,650 each – but you’d be hard-pressed to find another speaker in that price range with a comparable balance of performance and aesthetics.

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Read my other articles about The Truth Impressions of Velodyne SC12 12-inch Passive Subwoofer & Velodyne SC1250 Subwoofer Amplifier and Buying Salamander Chameleon 236 Triple-Width A/V Cabinet

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