Concentro // S503 Bookshelf
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Concentro S 503 Bookshelf Speakers
There is no doubt about it—the S 503 is a true Concentro in every respect, in a much smaller package. Design features and technical details that drove the success of the Concentro S 507 and S 509 are now provided in a more compact size.
MODERN HYBRID DESIGN
The progressive design elements from the Concentro Series combined with the clean lines of the Vela Series to create a strong visual presence. The trapezoid basic shape, convex shaped baffle, and gently angled cabinet combine in a strikingly organic way to create a strong visual statement.
PATENTED
The extensive list of patented features and the revised woofer magnet system guarantee superlative sound. The effortless performance can be adjusted to suit the room acoustics. Close your eyes and you’ll instantly forget you’re listening to a compact speaker ... all you hear is music.
COLOURS
The Concentro S 503 is available in black, walnut, and white high-gloss finishes .
Meet Concentro S 503
Defining the Future of Sound... in a Smaller Package.
Be in no doubt, the S 503 is a true Concentro in every respect. Design features and technical details that drove the success of the S 507 and S 509 are now combined in compact dimensions. The trapezoid basic shape, convex shaped baffle, and gently angled cabinet combine in a strikingly organic way to create a strong visual statementThe extensive list of patented features and the revised woofer magnet system guarantee superlative sound. The effortless performance can be adjusted to suit the room acoustics. Close your eyes and you’ll instantly forget you’re listening to a compact speaker ... all you hear is music. The Concentro S 503 is available in black and white high- gloss finishes and in high-gloss walnut veneer. The LS 100 stand specially developed for the Concentro S 503 is an available option.
Design Methodology
Modern Hybrid Design
Creating the Concentro experience in a smaller package is no easy feat. For the Concentro S series loudspeakers, we've taken the progressive design elements from the Concentro Series, and combined them with the clean lines of the Vela Series to create a strong visual presence.
Directivity Control Ring (DCR) Technology
Exchangeable Wave Guides to Optimize Listening
Since no two rooms are the same, midrange directivity can be adjusted using three exchangeable Directivity Control Rings (DCRs). This provides the ability to optimize the Concentro S Loudspeakers for the listening space. They range from more Direct (often preferred for nearfield) to more Diffuse (often preferred for farther listening positions).
Crystal Membrane Driver
Engineered for Low Distortion
Based on ELAC’s Aluminum-Sandwich AS Technology. Resembling the surface of a large crystal, the aluminum-foil stamping stiffens the aluminum dome, diminishing resonances and minimizing coloration, while improving power handling and dynamics. The voice coil design of the drivers results in an expanded frequency range, and driver surround allows for longer cone excursions for truly prodigious volume and lowest distortion, a unique engineering achievement for a driver of its size.
JET 5 Tweeter
Lightning-Fast Response and Wide Dynamic Range
Delivering true high-definition sound, ELAC’s JET 5 tweeter enthralls with its lightning-fast response and wide dynamic range, offering minimal distortion, lots of headroom, and a distinctly wider frequency range than conventional dome tweeters. The ELAC JET tweeter is one of the most legendary tweeters in the industry and has won international praise for its transparent and effortless sound image.
| Height | 400 mm |
|---|---|
| Width | 225 mm |
| Depth | 372 mm |
| Weight | 13.4 kg |
| Type | 3-way, bass reflex |
| Woofer | 1x180 mm, AS-XR cone |
| Midrange | 1 x 50 | 130 mm 0, AS-XR AL cone |
| Tweeter | JET 5c |
| Crossover frequency | 400 | 2600 Hz |
| Nominal/peak power handling | 120 W1200 W |
| Minimum impedance | 4,8 Ω bei 120 Hz |
| Peak power handling | 400 W |
| Sensitivity | 87 dB / 2,83 V/m |
| Suitable for amplifiers from ... to Nominal impedance | 4-8 Ω |
| Nomial impedance | 60 - 500 W/channel |
| Recommended amplifier power | 4 Ω |
| Finishes | High-Gloss - Black Lacquer, White Lacquer, Walnut Veneer |
| Accessories | Bi-Wiring-jumper set, |
| Accessories | 3 DCR (Directivity Control Ring) |
Explore the Concentro Series
Step into impeccable acoustic experiences with ELAC Concentro Series. Explore more products in the series.
