Velodyne Digital Drive Plus Subwoofers

Looking like a scene from CSI, Velodyne's booth is emphasizing the goal to "kill the competition" with its new Digital Drive Plus subwoofers, which come with drivers measuring 10 ($3000), 12 ($3500), 15 ($5000), and 18 inches ($6000). These models feature 4.5 to 7dB more output depending on model, new rohacell driver material, redesigned cabinet, and much easier setup with 8-band EQ. Retained from the previous Digital Drive models is the same high-gain servo technology that reduces distortion to a mere 0.5% at 20Hz.

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COMMENTS
uavK.Reid's picture

Velodyne's use of this material sparked my curiosity and I pulled B&W's 800 Series booklet I obtained from a B&W representative three years ago. The book indicates that "Rohacell is a sophisticated composite construction having a hard foam core sandwiched between carbon fibre skins". The book suggests that the material is normally used in construction of aircraft and exotic cars. In my brief research, I found that Rohacell is a registered trademark of R

Jarod's picture

Love Velodyne's booth!

uavK.Reid's picture

Scott, can we make the inference that Velodyne reached across the pond to our friends at Bowers & Wilkins (B&W) in England to obtain the Rohacell material? Correct me if I am wrong but B&W first used this material in the Nautilus 801, 802, 803, etc. for the speakers' low frequency drivers. My understanding is that this material has a very low mass but is exceptionally stiff resulting in a more optimal, pistonic movement with less distortion.

Scott Wilkinson's picture
The rep I spoke with didn't say anything about sourcing it from B&W, so I don't know. He did say that Rohacel is very low mass with high stiffness, so you're right on that point. I don't know that B&W was the first company to use this material; could be, I just don't know.
micheal's picture

The Digital Drive PLUS Series subwoofers from Velodyne Acoustics, the world's leading manufacturer of powered subwoofers, sets new standards in low frequency bass technology with fully automated set-up and integration, huge output, real-time bass performance feedback and elegant cabinetry. Thanks for sharing.
Carefree Real Estate AZ

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