![ELAC Concentro S 503](https://cdn.magzter.com/1416912791/1671794437/articles/TYqf685cx1672373585732/ELAC-CONCENTRO-S-503.jpg)
There's much about it that's intriguing, but the headline feature is its concentric driver, making it a true three-way, ported design. The centrepiece of the stepX-JET dual-concentric driver is a new generation JET 5c tweeter, a derivative of an AMT (Air Motion Transformer). Below this is the 180mm AS-XR bass driver. There are three pairs of alloy 'Directivity Control Rings' (DCRs) bundled, offering a different dispersion pattern, going from diffuse to more focused, allowing some tuning of mid and treble off-axis response. The 'Fokus' rings are better suited to use in larger rooms, while 'Spacious' is for up-close listening - very close apparently, as the standard 'Neutral' ring (which comes pre-fitted) is designated for 2.5m listening distances.
Sound quality
Esta historia es de la edición Yearbook 2022 de Hi-Fi Choice.
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Esta historia es de la edición Yearbook 2022 de Hi-Fi Choice.
Comience su prueba gratuita de Magzter GOLD de 7 días para acceder a miles de historias premium seleccionadas y a más de 9,000 revistas y periódicos.
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