Boston Acoustics HS 450
Boston Acoustics HS 450 floorstanding speakers combining woofers and passive radiators with silk dome tweeters, for domestic hi-fi listening.
Description
The Boston Acoustics HS 450 is a floorstanding speaker designed for domestic hi-fi. It combines 5-1/4 inch woofers with matching passive radiators, complemented by one-inch soft dome tweeters for treble reproduction.
The manufacturer highlights several technologies specific to this model. Deep Channel Design (DCD) aims to produce more bass with less amplification power, which can suit modestly powered amplifiers. MBOS (Maximized Bass Output System) is presented as an improvement to low-frequency acoustics. Finally, Reduced Baffle Diffraction Design (RBDD) is intended to widen and smooth sound dispersion, promoting even listening across a larger listening area.
This type of floorstanding speaker is aimed at music lovers wanting a stereo hi-fi or home cinema setup without requiring an overpowered amplifier, the DCD design being specifically intended to make the most of bass presence despite limited electrical power.
What to check before buying used
The suspensions of the 5-1/4 inch woofers and passive radiators deserve careful inspection: sagging, hardening or a crack in the surround directly affects the bass reproduction that DCD is designed to enhance. The tweeter's soft dome must remain free of deformation or perforation, otherwise the treble becomes dull or distorted. The cabinet of the floorstanding speaker, particularly the corners and veneer, may reveal transport damage or a slight misalignment of the drivers indicating a previous fall.
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