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The new VTF-15H features new integrated flare triangular ports (patent pending), variable Q control, and hybrid operation (including both sealed and ported modes). Between the Q control, operating modes, and EQ choices, this is the most flexible subwoofer we have offered to date, catering to virtually any audiophile’s preferences. The new 15-inch woofer is a very low Q (0.25), low inductance woofer resulting in very high efficiency and high headroom. Bass is extremely tight, especially when you set the Q control to a low Q.
The use of the new integrated flare triangular port allows us to get the biggest possible port for each subwoofer. We are no longer limited by diameter of standard size port tubes. The triangular ports tuck away nicely in the corners of the panel, allowing a compact panel size to accommodate a large woofer and large ports and yet provide a visually striking look.
In fact, the new subwoofer, in our opinion, is also our best looking sub to date. It has a refreshing, unique and stylish look.
The use of the new integrated flare triangular port allows us to get the biggest possible port for each subwoofer. We are no longer limited by diameter of standard size port tubes. The triangular ports tuck away nicely in the corners of the panel, allowing a compact panel size to accommodate a large woofer and large ports and yet provide a visually striking look.
In fact, the new subwoofer, in our opinion, is also our best looking sub to date. It has a refreshing, unique and stylish look.
Product Warranty: 7 years on driver, up to 5 years on electronics (2 years standard), +$100 for extended warranty on electronics, warranty is transferable, best-in-class warranty coverage
Driver Design: 15†front-firing custom-made driver, designed from the ground up for exceptionally flat frequency response and low distortion, best-in-class response linearity
Amplifier Design: 1400w short-term, 350w continuous high headroom amplifier designed from the ground up with custom EQ, soft clipping, subsonic filtering, class A/B output stage, phase switch, 24dB/oct low-pass adjustable crossover, continuously adjustable Q, best-in-class amplifier feature set
Enclosure Design: 25â€x18â€x26†HxWxD (add 1†H for feet, 1†D for grille, 1†D for amp controls) enclosure designed from the ground up with rounded corners and smooth edges, non-vinyl finishes, front-firing radiating elements, internal bracing on all panels, ultra-high grade acoustic foam internal lining, state-of-the-art enclosure design with cutting-edge industrial design
Port Design: Dual front-firing triangular slot ports, designed from the ground up with large cross-sectional area, continuously flared on both ends, used for variable tuning and for bracing the enclosure, unique and innovative patent-pending port design
Grille Design: 1†deep V-shaped cloth grille, designed from the ground up to be contoured and not cover the ports, with solid metal pins to fit soft rubber grommets, distinctive and attractive grille design
Feet Design: 1†tall and 2.5†diameter silicone disc feet, designed from the ground up to be soft and durable, suitable for all flooring surfaces, practical and flexible feet design
Hybrid Tuning: Support for five different operating modes, including both ported and sealed hybrid modes, best-in-class operating mode flexibility
Frequency Response: +/- 2dB from 15-200Hz in ported max extension mode (measured outside, Q = 0.7), best-in-class upper/mid/deep bass frequency response linearity
Output Capability: 123-125dB max clean CEA2010 peak output capability from 40-100Hz, 121dB @ 31.5Hz, 118dB @ 25Hz, 114dB @ 20Hz (measured outside @ 1m distance, both ports open), best-in-class max clean peak output capability using CEA2010 stepped harmonic distortion limits
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