Pierre Etienne Leon Quattro R+
Compact bookshelf speaker based on a self-regulation principle, designed to deliver surprising sonic scale despite its reduced size.
Description
The Quattro R+ from Pierre Etienne Leon is a compact bookshelf speaker built around a self-regulation principle, a technology intended to optimise the acoustic behaviour of the driver within a reduced volume. This compact format is aimed at listeners with limited space who are seeking sound reproduction close to that of larger installations.
The self-regulation principle allows this speaker to deliver an extended frequency response, a necessary condition for a coherent tonal balance across the entire sound spectrum. This characteristic favours faithful reproduction of recordings, with particular attention paid to timbral precision. The bass, described as sustained, contributes to a sense of sonic scale that exceeds what the speaker's dimensions would suggest.
Thanks to its high sound level, the Quattro R+ aims to be versatile and capable of filling both small rooms and larger spaces. It is intended for a listener who is demanding about reproduction quality but constrained by available space, looking for a compact alternative to a floorstanding speaker without sacrificing sonic scale.
What to check before buying used
Check the driver suspensions: sagging or hardening of the surround affects the sustained bass performance for which this speaker is known. Also inspect the cabinet (corners, veneer, any signs of moisture damage) and check for the absence of unwanted noise or abnormal vibrations in the cabinet at high volume, which would indicate a sealing defect in the self-regulation system.
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