The Vanishing® Series 70-RT features a unique 3-way driver array that produces big, full-range performance from a deceptively small in-ceiling speaker.
Sheer-Grille™
The unique, wafer-thin grille is magnetically secured to deliver nearly transparent, ultra-small perfs and dynamic, unimpeded sound.
Power Port®
Patented bass venting design smoothly transitions air flow, eliminating turbulence and distortion, for deeper, more efficient bass impact.
Timbre-Matching
Compatible with Polk Audio RTi speakers for seamless blending between traditional and built-in speaker systems.
Reflective Room Compensation
Lower tweeter levels offset reflective surfaces, cutting the level in the exact 4-5kHz band where reflectivity destroys sound quality.
Dual Band-Pass Bass Ports
Smooth funneling for low frequencies around the driver array eliminates “chuffing” for full-range blending, broad coverage and deep bass.
Simple Setup
Perfect Fit templates, a precision flange, (available) pre-construction brackets and the patented Rotating Cam system ensure secure, vibration-free installation.
In-Ceiling Speaker
Depth
8.375" (21.27 cm)
Driver Complement
(1) 0.75" (1.91 cm) d (Round) Silk/Polymer Tweeter - Tweeter
(1) 2.5" (6.35 cm) d (Round) Dynamic Balance Driver with Mineral-Filled Polypropylene Cone - Midrange
(1) 7" (17.78 cm) d (Round) Dynamic Balance Sub with Mineral-Filled Polypropylene Cone - Subwoofer
Grille Dimensions
8.13" (20.65 cm) diameter
In-Ceiling Mount
Shape
Round
Dimensions
6.5" (16.51 cm) diameter
Inputs
Speaker Inputs
(1) Pair of Push Connectors - Gold-Plated
Audio Quality
Total Frequency Response
34 Hz → 27 Hz
Nominal Impedance
8 ohms
Sensitivity (1 watt @ 1 meter)
90 dB
Lower and Upper -3dB Limits
48 Hz → 25 Hz
External Amplifier
Recommended Amplifier Power Per Channel
10 watts → 125 watts
Factory refurbished products are returned (or open box returned) product that have been refurbished and certified by Polk Audio to match the Polk performance, functionality, and reliability standards of new product. Refurbished products may have minor cosmetics blemishes and/or imperfections. The manual and accessories are included with most of our refurbished items. Cosmetic blemishes and imperfections are not covered by the warranty. Polk Audio, Inc., warrants to the original retail purchaser only. This warranty will terminate automatically prior to its stated expiration if the original retail purchaser sells or transfers the product to any other party.
Polk Audio, Inc., warrants, to the original retail purchaser only, that the HOME LOUDSPEAKER(S), and PASSIVE CROSSOVER COMPONENT(S) on this Polk Audio Loudspeaker Product will be free from defects in material and workmanship for a period of two (2) years (6 months on active components) from the date of original retail purchase from Polk Audio.
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