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Polk Audio 5 1/4" Book Shelf or Small Tower Kit - Based on Polk 5.25" Woofers
Polk Audio 5 1/4" Book Shelf or Small Tower Kit - Based on Polk 5.25" Woofers
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Price: $49.99
  • Average Rating 5/5 Stars.
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(5 out of 5 with 1 vote)
Product Description:
Polk Audio Book Shelf or Small Tower Kit
Componets to build one pair of speakers
New/Unused (Buy One Get a PAIR)

As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker. As pictured you get components for one pair of dual 5.25 inch speaker.
click on thumbnail for larger photo

D E S C R I P T I O N


This is a super kit, top quality components matched to give you a fantistic sound. You get the components to build One Pair of Speakers, being a dual woofer design, you get the following.


Components in the Kit
  • (4) 5 1/4" Polk Audio Woofers (4 ohm) Shielded
  • (2) 1" Silk Dome Tweeter (8 ohm) Shielded
  • (2) Two Way Crossovers

Over All Specifications to expect
  • Power 20 to 150 Watts RMS Per Channel at 8 ohms
  • Impedance 8 ohms
  • Frequency response 40 Hz. to 20 kHz.
  • Efficiency 90 dB at 1 watt at 1 meter

Woofer Specifications
  • 5.25" Polly Cone Shielded Woofer
  • Impedance 4 ohms (you wire in series to get you 8 ohm load)
  • Weight 3 pounds each
  • Revc - 3.4679 ohms
  • Fs - 56 Hz.
  • Zmax - 68 ohms
  • Qes - 0.4969
  • Qms - 9.2893
  • Qts - 4717
  • Le - 0.3484 mH (at 1 kHz.)
  • Vas - 22537.9746
  • BL - 0.1401 N/A
  • Sensitivity - 90 dB
  • Frequency response 40 Hz. to 7 kHz.

Tweeter Specifications
  • 1" Silk Dome Soft Tweeter
  • 8 ohms
  • Power 75 watts
  • Sensitivity - 89 dB
  • Frequency response 1.8 kHz. to 20 kHz.
  • Weight 1.5 pounds each

Misc. Information
  • Cabinet requirements are pretty basic keep it about .4 to .5 cf. and you should be fine, ported if you want or sealed either will work.
  • Wiring, the crossover to the speakers is very straight forward, we will be putting the woofers in series. The red leads from the crossover are for the woofers, the solid red lead is positive. We take it and connect to the positive terminal on woofer #1. Next you will need a length of wire to run from the negative terminal on woofer #1 to the positive terminal on woofer #2. This leaves you with a red lead with a stripe, it connects to the negative terminal on woofer #2, you have wired the woofer in series.
  • Hooking up the tweeter is easier, you use the blue leads from the crossover for this, the solid lead goes to the positive terminal on the tweeter, the blue lead with the stripe connects to the negative terminal on the tweeter.
  • For best response use a tweeter on top design (vertical layout), see picture below.

    Layout for a BookShelf Design
    Vertical Layout

    Click on an image to enlarge
     
    Great Deal
    • Rating 5/5 Stars.
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    Cass Rymar (VA) - November 15th 2008
    Bought these speakers not to listen to music but as an economical way to get better sound from my large screen TV. They sound better than I expected. The bass doesn't rattle the neighbor's windows but still makes my wife complain when I turn it up. Am also pleased with the sound of my classical CDs through these - good depth and range. Build the cabinets right and you'll have a great set of speakers at a price that can't be beat.
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