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HB 4
The HB4 is a 3-way, ported, floor standing design featuring a 165mm Kevlar bass driver, a 130 mm Kevlar midrange driver and a 25mm
Aluminium Dome Tweeter. It has a substantial cabinet, partitioned to give a separate tuned enclosure for the bass unit and a vertical, asymmetrically positioned, 'figure of eight' brace to minimize and control resonance in the larger panels. The front baffle is a 34mm laminated MDF sandwich which contributes to the exceptional strength of the cabinet and provides a solid platform for both drive units. The cabinet also incorporated a further chamber which may be mass filled to improve the stability of the system and enhance the bass performance. The HB4's are supplied with carpet piercing spikes for positive location on any surface.
Gold plated, bi-wireable input terminals and a hard wired crossover network featuring simple first order filters also contribute to its astonishing bass performance and effortless dynamic range. Instrument timbre is accurately reproduced without colouration and the three dimensional stereo performance is utterly convincing.
The wide bandwidth, drama and sense of scale that the HB4 is capable of recreating also enables it to form the basis of an exceptional home theatre system.
It will work optimally when placed 250mm or more from a rear wall.
Clear, sharp and lively…this was an unusually likeable loudspeaker which had the litheness of a classy compact, with the bass extension and tonal range of a much bigger box.
- Hi-Fi New - UK
The HB4's achieve a small miracle. Their musical coherence demonstrates a real 'know-how' on the part of the Heybrook design team. They are quite simply beautiful and natural. Bravo!
- Revue du Son et du, Home Cinema - France
It sounds so good, that I don't think I have ever heard a loudspeaker at this price, reproduce midrange frequencies with such a quality!
- Lyd & Blide - Norway
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