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DUE TO RECENT HOUSE MOVE I AM SELLING THIS TOP QUALITY BOWER & WILKINS 500W SUB-WOOFER, IT,S IN GOOD WORKING ORDER, AND YOU JUST CAN,T BEAT THE SOUND OF THIS ONE……B&W’s Pressure Vessel concept of a spherical enclosure. The company draws analogies with diving vessels and soap bubbles: the PV1’s curved shell, formed of thin aluminium, is a light, immensely stiff structure that both supports and reinforces itself, much as an egg does. The approach virtually eliminates cabinet resonance and so sounds cleaner’ than a conventional subwoofer, because the drive units devote their energy to driving air, not the cabinet.
Note, we said drive units, by the way: the PV1 uses two 20cm drivers in an opposed, in-phase array powered by a prodigious 500w Class-D amplifier using the sub’s aluminium enclosure as its heat sink. This has the obvious benefit of increased drive unit area, but the opposed-driver arrangement also inherently balances’ the sub, especially in terms of the kinetic reaction forces generated by each driver’s forward and backward movements. This only serves to reduce resonance still further, and also limits floor-borne vibration.
The PV1 sounds stunning
The results are sensational. The PV1’s triumph is that it’s virtually dead’ even operating at full power, you’ll struggle to feel any resonance being transmitted through the cabinet yet it’ll fit through a basketball hoop.
And it sounds stunning: there’s no other way to put it. Often, style kit suffers when compared to conventional designs: it might look better, but it seldom sounds it. With the PV1, that theory is turned on its head: this bold design can easily challenge more expensive normal’ subs for extension and speed.
It’s this latter facet of the PV1’s appeal that is perhaps most remarkable of all. The B&W generates clean, uncoloured, amazingly deep bass: push the limits with some of Dr Dre’s sillier low-end-licks, and you’re left in no doubt about the sonic authority on show. Even the extreme outputs of Saving Private Ryan’s soundtrack pose no problems: each explosive impact has glorious weight.
We’re hugely impressed. In fact, we reckon the only thing B&W failed to notice was the PV1’s remarkable resemblence to Barnes Wallis’ Highball bouncing bomb. The Highball was developed to destroy battleships:The PV1 will have a similarly powerful impact on conventional subwoofer thinking………..”I would prefer buyer to collect but have offered postage and the costs takes into account the additional charge for the insurance, I am willing to deliver at a cost of 50p per mile from N31DP up to a maximum round trip of 100 miles, so to work out the cost just put your post code in to google maps and mine and you should be able to work out cost, but please confirm with me before bidding thanks”….
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Category: Sound and Vision:Home Audio and HiFi Separates:Speakers and Subwoofers
Location: Bushey, Hertfordshire