Product Big Image
  • #5403239
  • Manufacturer: POLK AUDIO
  • UPC #747192118396
  • Model #RTi A3 BL
    • Curved, 6-layer DAHLI enclosure.
    • Klippel motor optimization.
    • Dynamic Balance® technology.
    • PowerPort® bass venting.
    • Cascade Tapered Crossover.
    • Acoustic Resonance Control® (ARC) technology.
    • 5-way binding posts.

    These speakers are sold as a pair.



    Available for In-Store Pickup Only
    While supplies last

    Detail Description
    Detailed Description
    (Manufacturer # RTi A3 BL )


    The proprietary curved, 6-layer DAHLI enclosure design creates the optimal shear damping for a more rigid, acoustically inert enclosure and minimal cabinet resonances. RTiA3 cabinets are designed for clean, accurate sound.

    Klippel motor optimization uses laser measurement technology to ensure a smooth excursion path at either end of the volume spectrum for uniform performance at both low and high volumes.

    Polk’s proprietary, patented Dynamic Balance technology allows our engineers to design out distortion-causing driver and system resonances, so you only hear the good sounds.

    Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound.

    The RTiA Cascade Tapered Crossover eliminates the comb filtering and beaming, common to multi-driver speakers, which degrades the quality of the audio and collapses the soundstage.

    Beautiful curved furniture-grade hardwood veneer cabinet finishes, with sleek trim accents in black or cherry.

    Computer-modeled anti-diffraction grilles enhance the good looks while minimizing sonic interference.

    PowerPort® bass venting is our patented design for smoothly transitioning the air flow from the port into your listening area, eliminating turbulence and distortion, for bigger, more musical, deep bass impact.

    Our patented Acoustic Resonance Control® (ARC) port technology tunes out the internal cabinet resonances resulting in natural uncolored midrange reproduction.

    All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems.

    Dual gold-plated, professional-style 5-way binding posts, for the most secure connection options.

    Dual binding posts allow bi-amp or bi-wire connections, for the ultimate in customized high performance audio.

    All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry’s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.


    Driver Complement
    Quantity 1
    Diameter 1" (2.54cm)
    Type Dynamic Balance silk polymer composite dome tweeter
    Mid / Woofer
    Quantity 1
    Diameter 6 1/2" (16.51cm)
    Type Dynamic Balance driver with polymer composite cone and rubber surround
    Total Frequency Response 40Hz-27kHz
    Upper -3dB Limit 26 kHz
    Lower -3dB Limit 50 Hz
    Nominal Impedance 8 ohm
    Efficiency 89 dB
    Crossover Frequency
    2.8 kHz
    Recommended Amplifier Power 20-150 watts per channel
    Inputs Dual 5-way binding posts
    Cabinet Dimensions
    Height 14 3/4" (37.47cm)
    Width 8 7/16" (21.43cm)
    Depth 14" (35.56cm)
    Enclosure Type
    Mid-High Array Enclosure Type PowerPort bass venting and ARC Port
    Product Weight (each) 16 pounds
    Unit of Measure Pair
    Total Shipping Weight 35 pounds
    Speaker Warranty 5 years parts and labor (original purchaser)



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