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Definitive Technology BP-8080ST Bipolar Tower with Built-In Powered Subwoofer (Pair)

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Product Description

From the Manufacturer

Movies and music are reproduced with unequaled purity, transparency and lifelike realism. The elegant, slender BP-8080ST SuperTowers from Definitive Technology offer a huge natural soundstage with a three-dimensional arc that recreates the illusion of live music or cinematic action being performed live in your room. It's all thanks to the integrated subwoofer built into each SuperTower, doubling your bass impact while eliminating the need for a separate subwoofer in the room. This combination of high resolution, magnificent sound-staging awesome bass and explosive impact envelops you in the ultimate listening experience.

Definitive Technology Bi-Polar
Bipolar technology creates a huge, 3D soundstage for every listener
The Definitive Technology BP-8080ST Super Tower
An integrated subwoofer offers dramatic performance benefits

The Definitive Technology BP-8080ST SuperTower Driver
BDSS midrange drivers achieve greater clarity and detail
A Legend Reborn

Definitive Technology pioneered the concept of "powered towers" by incorporating powered subwoofers into Bipolar floor-standing speakers, dubbing them "SuperTowers." The BP-8080ST is a third generation BP SuperTower and makes use of a new patent-pending approach to bipolar speaker design called Forward Focused Bipolar Array. The BP-8080ST SuperTower is the crowning achievement of over 20 years of research and development to create the perfect balance of style, convenience, and performance in a floor-standing loudspeaker.

The Most Advanced Technologies for the Most Advanced Performance

The BP-8080ST delivers a combination of Forward Focused Bipolar Array technology for rich life-like, room-filling, three-dimensional sound, built-in SuperCube® technology powered subwoofers for lightning-fast, earthshaking bass, and the latest generation of patented Balanced Double Surround System (BDSS) midrange drivers--all housed in a rock-solid, attractive enclosure.

The Definitive Technology BP-8080ST SuperTower
The Definitive Technology BP-8080ST SuperTower
The Definitive Technology BP-8080ST SuperTower
Bipolar Technology Brings Performances to Life in Your Home

With bipolar speaker technology, each speaker incorporates two sets of drivers--one facing forward and the other facing to the rear--so that the speakers radiate sound both forward and rearward, just as sound is produced in real life. Forward Focused Bipolar Array technology is Definitive's patent-pending improvement to the original Bipolar design. It's a new ground-breaking technology that provides you with a lifelike balance of early-arrival sound from the front facing drivers and reflected delayed sound from the rear drivers for a lush, three-dimensional soundstage. This combination creates a huge soundfield which is rich, warm, ultra clear and vibrantly alive for every listener in your room.

The Subwoofer System Will Rock Your World

The dual built-in powered subwoofers achieve dramatically better blending, integration and timbre accuracy than could ever be achieved with separate subs. The brawny 455-watt Class D amplifier features an integrated Digital Signal Processor (DSP) that equalizes the woofer system to extend and smooth the bass response for seamless high performance. The bottom line is the BP-8080ST's bass will rock your world like no other speaker anywhere near its price and size.

Why Built-In Powered Subwoofers Are Better Than Separate Subs

Besides eliminating the need for a floor space-hogging separate subwoofer, integrated subs offer dramatic performance benefits. Besides having simply more bass output, two subwoofers in the room reduce "standing wave" room resonances that create bass "dead zones" in the room. With two BP-8080STs you'll enjoy high impact bass throughout the room.

Patented Technology Delivers High Definition Mids and Highs

Each BP-8080ST features a D'Appolito front array consisting of two cast-basket 5-1/4" second generation BDSS midrange drivers surrounding a 1" pure aluminum dome tweeter housed in an acoustically isolated sealed enclosure. The drivers feature Definitive's patented Balanced Double Surround System (BDSS) technology that supports the speaker cone at both the inner and outer edges allowing longer, more linear excursion for greater clarity and finely textured inner detail.

A new patent pending Linear Response Waveguide smoothes off-axis frequency response and disperses sound over a wider area for crystal clear intelligibility for every listener in the room. The tweeter is a pure aluminum dome, which has been heat-treated to relax the crystal structure and then coated with a ceramic to produce extended highs that reveal nuance and shimmer without a trace of edginess. The rear array uses a single identical BDSS driver and the same 1" aluminum dome tweeter as used in the front array. Like the front array, the rear array is housed in a separate sealed MDF enclosure to isolate the midrange drivers from the woofers' influence.

Solidly Built, Resonance-Free Enclosure

The tapered front of the enclosure serves to make it appear slimmer while also enhancing sound quality by minimizing cabinet diffraction distortion. The decorative high gloss end cap and bottom panel add elegance to the matte black tower the way satin piping adds dash to a tuxedo. Each BP-8080ST occupies a mere 1.4 square feet of floor-space (including stabilizer feet), leaving plenty of room for furnishings.

But the enclosure's most important job is to be totally inert and resonance free so as not to color the sound. A second layer of heavy MDF inside the cabinet prevents the drivers from imparting vibration to the rest of the enclosure. The sealed midrange enclosures also serve to provide bracing for the side walls while MDF cross braces near the woofer further stiffen the system.

Technical Specifications

  • Dimensions (cabinet only, no stabilizer feet): 48-14" H x 7" x 16-5/16" D (122.5cm H x 17.8cm W x 41.3cm D)
  • Dimensions (with stabilizer feet): 48-1/4" H x 12-1/8" x 16-5/16" D (122.5cm H x 30.8cm W x 41.3cm D)
  • Driver complement: 3 each 5-1/4" (13cm) BDSS midrange drivers, 2 each 1" (25mm) aluminum dome tweeters, 1 each 12" (30cm) active subwoofer driver pressure coupled to 2 each 12-1/2" (32cm) Low-bass radiators
  • Frequency response: 18Hz - 30kHz
  • Sensitivity: 92 dB
  • Nominal impedance: 8 Ohms
  • Recommended amplifier power: 20 - 400 Watts
  • A/V Receiver Crossover Setting: Large, full bandwidth
  • Internal amplifier power: 455 watts
  • Auto On / Off: Signal Sensing
  • Power Requirements: 110 volts A/C (product not available outside of USA, Canada and Latin America)
  • Inputs: One pair of 5 way binding posts; One LFE input (optional)
  • Accessories: Stabilizer feet; carpet spikes, hard floor glides
  • Weight: 66 lbs. (30kg)

Driver Complement

Diameter 1" (2.54cm) 
Type Pure Aluminum Dome 
Diameter 5 1/4" (13.34cm) 
Type BDSS Midrange Driver 
Tweeter/Mid Array
Type Bipolar Configuration 
Front Firing Array D'Appolito 
Diameter 12" (30.48cm) 
Type Active Subwoofer Driver 
Bass Radiator
Diameter 12" (30.48cm) 
Type Planar Low Bass Radiator 


Digital Signal Processing
56 bit DSP Auto Loading  


Audio Inputs
Speaker Level 1 Pair (Speaker Cable) 
LFE (optional) 1 (RCA) 
Maximum Sensitivity
1 watt @ 1 Meter 92 dB
Total Frequency Response
Overall 18 Hz - 30 kHz 
Nominal Impedance
Compatible with 8 ohm
A/V Receiver Crossover Setting Large; Full Bandwidth 
Power Handling 20 - 400 watts per channel


Internal Amplifier
Power 455 watts
Type Class D 
Power Cycle
US Auto On/Off: Signal Sensitive 
International Product not available outside of USA, Canada and Latin America 
Power Requirements
US 110 volts A/C 
International Product not available outside of USA, Canada and Latin America 
US 6.3 amp 250 volt Slo Blo
International Product not available outside of USA, Canada and Latin America 


Cabinet Dimensions
Height 48 1/4" (122.56cm) 
Width 7" (17.78cm) 
Width with Stabalizer Feet 12 1/8" (30.80cm) 
Depth 16 5/16" (41.43cm) 


Carton Size
Height 52 3/4" (133.99cm) 
Width 12" (30.48cm) 
Depth 20 7/8" (53.02cm)

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