B o s t o n A c o u s t i c s . c o m
PowerVent® Subwoofers
Power. Drama. Impact.
Boston's new PowerVent subwoofers deliver the dynamic bass foundation that is essential for lifelike reproduction of movie soundtracks and music in the home.
All four of the new subwoofers utilize rugged, long-excur- sion bass units built in Boston's state-of-the-art manufacturing facility in Peabody, Massachusetts. Every one is tested as it comes off the line to be within ±1dB of the lab reference unit, an incredibly tight tolerance. The amplifiers have built-in variable crossovers that make it easy to achieve a seamless blend with the main speakers, while 24dB/octave low-pass filters prevent the subwoofer from being easily localized by ear, increasing placement flexibility. A crossover bypass position is provided for use with home theater electronics that perform their own bass management functions.
The PV800 and PV1000 use special high-efficiency amplifiers that deliver high power with low distortion. Our amplifiers use a linear output stage for superior sound
quality, and a digital tracking power supply that delivers the required output voltage without power line "sag" or excessive thermal buildup.
Because of their high-powered amplifiers and computeroptimized tuning, all four models are capable of impressive deep bass and high output from remarkably compact enclosures. In addition, all four units feature BassTrac,™ a proprietary new Boston-designed circuit that tracks the input signal to the subwoofer and prevents its amplifier from being driven into audible distortion. Unlike conventional limiters, it preserves the waveform’s shape so the fidelity of the signal is maintained, while preventing distortion. The benefit: The bass stays clean and strong at any listening level.
Auto on-off amplifier switching and easily accessible controls make the PowerVent subwoofers as convenient to use as they are exciting to listen to.
Also available in black ash wood veneer
PV1000
The PV1000 is proof that powerful things come in small packages. Here is a subwoofer that delivers stunning low frequency performance while occupying barely over one square foot of floor space.
Advanced Boston technology makes this performance possible. A 10" (250mm) down-firing long-excursion bass driver with cast aluminum basket and patented* RadialVent™ cooling is coupled with a 10-inch rear-firing passive radiator for bass that excites your senses. With its 1000-watt, high efficiency amplifier providing the driving muscle, the PV1000 is the subwoofer of choice for the most demanding music or home theater systems.
Front-mounted volume, crossover frequency, bypass, and phase controls are easy to reach, making it simple to achieve the optimum performance.
* Covered by U.S. Patent no. 5,940,522
PV600
We believe the PV600 redefines the price/performancerelationshipformod- erately-priced subwoofers. In terms of low-frequency extension, maximum output, and freedom from audible distortion, the PV600 sets a new standard at its price.
The key to its outstanding performance is its Boston-built 10-inch (250mm) bass driver. Manufactured on Boston's state-of-the-art assembly line to a tolerance of ±1dB, this driver features a long-excursion DCD voice coil and a high-mass, low-resonance diaphragm for response down to 29Hz (-3dB).
The dual 2-inch (50mm) down-firing ports are flared at both ends to reduce audible turbulence. The high-current 120-watt amplifier has both speakerand line-level inputs, as well as a crossover bypass position. A front-mounted volume control makes it easy to adjust the bass to the desired level.
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